{
  "model": "Hchain",
  "lattice": "chain",
  "n_sites": 6,
  "boundary": "O",
  "params": {
    "N_up": 3,
    "N_dn": 3,
    "R": 3,
    "basis": "cc-pVDZ"
  },
  "instance_id": "Hchain/chain_6_O_R3_ccpvdz",
  "rows": [
    {
      "energy": -3.1571,
      "sigma": null,
      "energy_variance": null,
      "dof": 6,
      "einf": null,
      "v_score": null,
      "method": "CCSD",
      "ansatz": null,
      "method_detail": "",
      "method_as_published": "CCSD",
      "family": "FCIQMC / CC",
      "bound_type": "projected",
      "bound_type_reason": "coupled cluster",
      "reference": "Karol Kowalski, Nicholas P. Bauman, Quantum Flow Algorithms for Simulating Many-Body Systems on Quantum Computers, Physical Review Letters 131, 200601 (2023), arXiv:2305.05168, doi:10.1103/PhysRevLett.131.200601",
      "peer_reviewed": true,
      "source": "track3-2026-10-20",
      "provenance": "primary",
      "verified": {
        "checked_on": "2026-10-20",
        "method": "source text of arXiv:2305.05168 read locally (pypdf layout text; the generator finds every value again on its line), no LLM transcription of numbers; single reading (Sonnet reader)",
        "reported_as": "-3.1571 Ha per total",
        "note": "Table II; sources/2305.05168.txt line 259; version read: arXiv text; no journal version found | Table II caption line 254: 'energies (in Hartree)', R_H-H=3 a.u. | Boundary not stated, open assumed. | reader confidence medium",
        "secondary_of": null
      },
      "sampled": false,
      "corrections": [
        {
          "field": "reference",
          "from": "Karol Kowalski, Nicholas P. Bauman, Quantum flow algorithms for simulating many-body systems on quantum computers, arXiv:2305.05168",
          "to": "Karol Kowalski, Nicholas P. Bauman, Quantum Flow Algorithms for Simulating Many-Body Systems on Quantum Computers, Physical Review Letters 131, 200601 (2023), arXiv:2305.05168, doi:10.1103/PhysRevLett.131.200601",
          "checked_on": "2026-10-24",
          "reported_as": "-3.1571 (Hartree)",
          "location": "Table II (H6, R_H-H = 3 a.u., cc-pVDZ), row CCSD",
          "version_read": "arXiv:2305.05168v2 PDF (8 Aug 2023) and Phys. Rev. Lett. 131, 200601 (2023) publisher PDF (journals.aps.org, fetched 2026-10-24), pypdf layout mode; arXiv v1 Table I also compared",
          "conversion": "none (reference field)",
          "reason": "The paper is published: Phys. Rev. Lett. 131, 200601 (2023), doi:10.1103/PhysRevLett.131.200601 (Crossref, title and authors match; PRL PDF read). refs.mjs only follows the arXiv API <arxiv:doi> field, which is empty for 2305.05168, so the Crossref step never ran. Value check passed: printed -3.1571 Ha (PRL) = -3.1571 Ha (arXiv v2), total energy, stored eps -0.5261833333333333 x 6 = -3.1571; instance (open linear chain, N = 6, R = 3 bohr, cc-pVDZ, S_z = 0) and bound_type projected agree.",
          "source_entry": "h-p-2305-05168-c2#16 (qmbl-verify 2026-10-23/24, correction; skeptic upheld)"
        },
        {
          "field": "peer_reviewed",
          "from": null,
          "to": true,
          "checked_on": "2026-10-24",
          "reported_as": "-3.1571 (Hartree)",
          "location": "Table II (H6, R_H-H = 3 a.u., cc-pVDZ), row CCSD",
          "version_read": "arXiv:2305.05168v2 PDF (8 Aug 2023) and Phys. Rev. Lett. 131, 200601 (2023) publisher PDF (journals.aps.org, fetched 2026-10-24), pypdf layout mode; arXiv v1 Table I also compared",
          "conversion": "none",
          "reason": "Published in Phys. Rev. Lett. 131, 200601 (2023) (peer reviewed). The journal Tables I and II are identical to arXiv v2 in every cell of this row. The evidence string ('no journal version found') changes with it: with peer_reviewed true the template at gen/readers.mjs line 77 would write 'journal copy not reached (HTTP 403...)', which is also wrong; the journal PDF was reached on 2026-10-24 and agrees.",
          "source_entry": "h-p-2305-05168-c2#17 (qmbl-verify 2026-10-23/24, correction; skeptic upheld)"
        },
        {
          "field": "sampled",
          "to": false,
          "reported_as": "-3.1571 Ha per total",
          "location": "Table II; sources/2305.05168.txt line 259; version read: arXiv text; no journal version found",
          "checked_on": "2026-10-20",
          "reason": "Deterministic, not a Monte Carlo estimate, as the track-3 reader recorded it (pass row `sampled`); the method string alone reads the other way (units.mjs, isSampled).",
          "source_entry": "passes/track3/sweep-rows-2026-10-20-hydrogen.json"
        }
      ]
    },
    {
      "energy": -3.1619,
      "sigma": null,
      "energy_variance": null,
      "dof": 6,
      "einf": null,
      "v_score": null,
      "method": "CCSDT",
      "ansatz": null,
      "method_detail": "",
      "method_as_published": "CCSDT",
      "family": "FCIQMC / CC",
      "bound_type": "projected",
      "bound_type_reason": "coupled cluster",
      "reference": "Karol Kowalski, Nicholas P. Bauman, Quantum Flow Algorithms for Simulating Many-Body Systems on Quantum Computers, Physical Review Letters 131, 200601 (2023), arXiv:2305.05168, doi:10.1103/PhysRevLett.131.200601",
      "peer_reviewed": true,
      "source": "track3-2026-10-20",
      "provenance": "primary",
      "verified": {
        "checked_on": "2026-10-20",
        "method": "source text of arXiv:2305.05168 read locally (pypdf layout text; the generator finds every value again on its line), no LLM transcription of numbers; single reading (Sonnet reader)",
        "reported_as": "-3.1619 Ha per total",
        "note": "Table II; sources/2305.05168.txt line 260; version read: arXiv text; no journal version found | Table II caption line 254: 'energies (in Hartree)', R_H-H=3 a.u. | Boundary not stated, open assumed. | reader confidence medium",
        "secondary_of": null
      },
      "sampled": false,
      "corrections": [
        {
          "field": "reference",
          "from": "Karol Kowalski, Nicholas P. Bauman, Quantum flow algorithms for simulating many-body systems on quantum computers, arXiv:2305.05168",
          "to": "Karol Kowalski, Nicholas P. Bauman, Quantum Flow Algorithms for Simulating Many-Body Systems on Quantum Computers, Physical Review Letters 131, 200601 (2023), arXiv:2305.05168, doi:10.1103/PhysRevLett.131.200601",
          "checked_on": "2026-10-24",
          "reported_as": "-3.1619 (Hartree)",
          "location": "Table II (H6, R_H-H = 3 a.u., cc-pVDZ), row CCSDT",
          "version_read": "arXiv:2305.05168v2 PDF (8 Aug 2023) and Phys. Rev. Lett. 131, 200601 (2023) publisher PDF (journals.aps.org, fetched 2026-10-24), pypdf layout mode; arXiv v1 Table I also compared",
          "conversion": "none (reference field)",
          "reason": "The paper is published: Phys. Rev. Lett. 131, 200601 (2023), doi:10.1103/PhysRevLett.131.200601 (Crossref, title and authors match; PRL PDF read). refs.mjs only follows the arXiv API <arxiv:doi> field, which is empty for 2305.05168, so the Crossref step never ran. Value check passed: printed -3.1619 Ha (PRL) = -3.1619 Ha (arXiv v2), total energy, stored eps -0.5269833333333334 x 6 = -3.1619; instance (open linear chain, N = 6, R = 3 bohr, cc-pVDZ, S_z = 0) and bound_type projected agree.",
          "source_entry": "h-p-2305-05168-c2#18 (qmbl-verify 2026-10-23/24, correction; skeptic upheld)"
        },
        {
          "field": "peer_reviewed",
          "from": null,
          "to": true,
          "checked_on": "2026-10-24",
          "reported_as": "-3.1619 (Hartree)",
          "location": "Table II (H6, R_H-H = 3 a.u., cc-pVDZ), row CCSDT",
          "version_read": "arXiv:2305.05168v2 PDF (8 Aug 2023) and Phys. Rev. Lett. 131, 200601 (2023) publisher PDF (journals.aps.org, fetched 2026-10-24), pypdf layout mode; arXiv v1 Table I also compared",
          "conversion": "none",
          "reason": "Published in Phys. Rev. Lett. 131, 200601 (2023) (peer reviewed). The journal Tables I and II are identical to arXiv v2 in every cell of this row. The evidence string ('no journal version found') changes with it: with peer_reviewed true the template at gen/readers.mjs line 77 would write 'journal copy not reached (HTTP 403...)', which is also wrong; the journal PDF was reached on 2026-10-24 and agrees.",
          "source_entry": "h-p-2305-05168-c2#19 (qmbl-verify 2026-10-23/24, correction; skeptic upheld)"
        },
        {
          "field": "sampled",
          "to": false,
          "reported_as": "-3.1619 Ha per total",
          "location": "Table II; sources/2305.05168.txt line 260; version read: arXiv text; no journal version found",
          "checked_on": "2026-10-20",
          "reason": "Deterministic, not a Monte Carlo estimate, as the track-3 reader recorded it (pass row `sampled`); the method string alone reads the other way (units.mjs, isSampled).",
          "source_entry": "passes/track3/sweep-rows-2026-10-20-hydrogen.json"
        }
      ]
    },
    {
      "energy": -3.1591,
      "sigma": null,
      "energy_variance": null,
      "dof": 6,
      "einf": null,
      "v_score": null,
      "method": "CCSDTQ",
      "ansatz": null,
      "method_detail": "",
      "method_as_published": "CCSDTQ",
      "family": "FCIQMC / CC",
      "bound_type": "projected",
      "bound_type_reason": "coupled cluster",
      "reference": "Karol Kowalski, Nicholas P. Bauman, Quantum Flow Algorithms for Simulating Many-Body Systems on Quantum Computers, Physical Review Letters 131, 200601 (2023), arXiv:2305.05168, doi:10.1103/PhysRevLett.131.200601",
      "peer_reviewed": true,
      "source": "track3-2026-10-20",
      "provenance": "primary",
      "verified": {
        "checked_on": "2026-10-20",
        "method": "source text of arXiv:2305.05168 read locally (pypdf layout text; the generator finds every value again on its line), no LLM transcription of numbers; single reading (Sonnet reader)",
        "reported_as": "-3.1591 Ha per total",
        "note": "Table II; sources/2305.05168.txt line 261; version read: arXiv text; no journal version found | Table II caption line 254: 'energies (in Hartree)', R_H-H=3 a.u. | Boundary not stated, open assumed. | reader confidence medium",
        "secondary_of": null
      },
      "sampled": false,
      "corrections": [
        {
          "field": "reference",
          "from": "Karol Kowalski, Nicholas P. Bauman, Quantum flow algorithms for simulating many-body systems on quantum computers, arXiv:2305.05168",
          "to": "Karol Kowalski, Nicholas P. Bauman, Quantum Flow Algorithms for Simulating Many-Body Systems on Quantum Computers, Physical Review Letters 131, 200601 (2023), arXiv:2305.05168, doi:10.1103/PhysRevLett.131.200601",
          "checked_on": "2026-10-24",
          "reported_as": "-3.1591 (Hartree)",
          "location": "Table II (H6, R_H-H = 3 a.u., cc-pVDZ), row CCSDTQ",
          "version_read": "arXiv:2305.05168v2 PDF (8 Aug 2023) and Phys. Rev. Lett. 131, 200601 (2023) publisher PDF (journals.aps.org, fetched 2026-10-24), pypdf layout mode; arXiv v1 Table I also compared",
          "conversion": "none (reference field)",
          "reason": "The paper is published: Phys. Rev. Lett. 131, 200601 (2023), doi:10.1103/PhysRevLett.131.200601 (Crossref, title and authors match; PRL PDF read). refs.mjs only follows the arXiv API <arxiv:doi> field, which is empty for 2305.05168, so the Crossref step never ran. Value check passed: printed -3.1591 Ha (PRL) = -3.1591 Ha (arXiv v2), total energy, stored eps -0.5265166666666666 x 6 = -3.1591; instance (open linear chain, N = 6, R = 3 bohr, cc-pVDZ, S_z = 0) and bound_type projected agree.",
          "source_entry": "h-p-2305-05168-c2#21 (qmbl-verify 2026-10-23/24, correction; skeptic upheld)"
        },
        {
          "field": "peer_reviewed",
          "from": null,
          "to": true,
          "checked_on": "2026-10-24",
          "reported_as": "-3.1591 (Hartree)",
          "location": "Table II (H6, R_H-H = 3 a.u., cc-pVDZ), row CCSDTQ",
          "version_read": "arXiv:2305.05168v2 PDF (8 Aug 2023) and Phys. Rev. Lett. 131, 200601 (2023) publisher PDF (journals.aps.org, fetched 2026-10-24), pypdf layout mode; arXiv v1 Table I also compared",
          "conversion": "none",
          "reason": "Published in Phys. Rev. Lett. 131, 200601 (2023) (peer reviewed). The journal Tables I and II are identical to arXiv v2 in every cell of this row. The evidence string ('no journal version found') changes with it: with peer_reviewed true the template at gen/readers.mjs line 77 would write 'journal copy not reached (HTTP 403...)', which is also wrong; the journal PDF was reached on 2026-10-24 and agrees.",
          "source_entry": "h-p-2305-05168-c2#22 (qmbl-verify 2026-10-23/24, correction; skeptic upheld)"
        },
        {
          "field": "sampled",
          "to": false,
          "reported_as": "-3.1591 Ha per total",
          "location": "Table II; sources/2305.05168.txt line 261; version read: arXiv text; no journal version found",
          "checked_on": "2026-10-20",
          "reason": "Deterministic, not a Monte Carlo estimate, as the track-3 reader recorded it (pass row `sampled`); the method string alone reads the other way (units.mjs, isSampled).",
          "source_entry": "passes/track3/sweep-rows-2026-10-20-hydrogen.json"
        }
      ]
    },
    {
      "energy": -3.157,
      "sigma": null,
      "energy_variance": null,
      "dof": 6,
      "einf": null,
      "v_score": null,
      "method": "DUCC-QFlow",
      "ansatz": null,
      "method_detail": "DUCC(6act) downfolded Hamiltonian, (4e,4o) active space",
      "method_as_published": "DUCC(6act)-QFlow(4e,4o)",
      "family": "VQE / circuit",
      "bound_type": "approximate",
      "bound_type_reason": "DUCC-QFlow: QFlow minimisation of the approximate downfolded Hamiltonian A(7), not an expectation value of H (ruled 2026-10-24)",
      "reference": "Karol Kowalski, Nicholas P. Bauman, Quantum Flow Algorithms for Simulating Many-Body Systems on Quantum Computers, Physical Review Letters 131, 200601 (2023), arXiv:2305.05168, doi:10.1103/PhysRevLett.131.200601",
      "peer_reviewed": true,
      "source": "track3-2026-10-20",
      "provenance": "primary",
      "verified": {
        "checked_on": "2026-10-20",
        "method": "source text of arXiv:2305.05168 read locally (pypdf layout text; the generator finds every value again on its line), no LLM transcription of numbers; single reading (Sonnet reader)",
        "reported_as": "-3.1570 Ha per total",
        "note": "Table II; sources/2305.05168.txt line 263; version read: arXiv text; no journal version found | Table II caption line 254: 'energies (in Hartree)', R_H-H=3 a.u. | Boundary not stated, open assumed. | reader confidence medium",
        "secondary_of": null
      },
      "sampled": false,
      "corrections": [
        {
          "field": "reference",
          "from": "Karol Kowalski, Nicholas P. Bauman, Quantum flow algorithms for simulating many-body systems on quantum computers, arXiv:2305.05168",
          "to": "Karol Kowalski, Nicholas P. Bauman, Quantum Flow Algorithms for Simulating Many-Body Systems on Quantum Computers, Physical Review Letters 131, 200601 (2023), arXiv:2305.05168, doi:10.1103/PhysRevLett.131.200601",
          "checked_on": "2026-10-24",
          "reported_as": "-3.1570 (Hartree)",
          "location": "Table II (H6, R_H-H = 3 a.u., cc-pVDZ), row DUCC(6act)-QFlow(4e,4o)",
          "version_read": "arXiv:2305.05168v2 PDF (8 Aug 2023) and Phys. Rev. Lett. 131, 200601 (2023) publisher PDF (journals.aps.org, fetched 2026-10-24), pypdf layout mode; arXiv v1 Table I also compared",
          "conversion": "none (reference field)",
          "reason": "The paper is published: Phys. Rev. Lett. 131, 200601 (2023), doi:10.1103/PhysRevLett.131.200601 (Crossref, title and authors match; PRL PDF read). refs.mjs only follows the arXiv API <arxiv:doi> field, which is empty for 2305.05168, so the Crossref step never ran. Value check passed: printed -3.1570 Ha (PRL) = -3.1570 Ha (arXiv v2), total energy, stored eps -0.5261666666666667 x 6 = -3.157; instance (open linear chain, N = 6, R = 3 bohr, cc-pVDZ, S_z = 0) and bound_type null agree.",
          "source_entry": "h-p-2305-05168-c2#23 (qmbl-verify 2026-10-23/24, correction; skeptic upheld)"
        },
        {
          "field": "peer_reviewed",
          "from": null,
          "to": true,
          "checked_on": "2026-10-24",
          "reported_as": "-3.1570 (Hartree)",
          "location": "Table II (H6, R_H-H = 3 a.u., cc-pVDZ), row DUCC(6act)-QFlow(4e,4o)",
          "version_read": "arXiv:2305.05168v2 PDF (8 Aug 2023) and Phys. Rev. Lett. 131, 200601 (2023) publisher PDF (journals.aps.org, fetched 2026-10-24), pypdf layout mode; arXiv v1 Table I also compared",
          "conversion": "none",
          "reason": "Published in Phys. Rev. Lett. 131, 200601 (2023) (peer reviewed). The journal Tables I and II are identical to arXiv v2 in every cell of this row. The evidence string ('no journal version found') changes with it: with peer_reviewed true the template at gen/readers.mjs line 77 would write 'journal copy not reached (HTTP 403...)', which is also wrong; the journal PDF was reached on 2026-10-24 and agrees.",
          "source_entry": "h-p-2305-05168-c2#24 (qmbl-verify 2026-10-23/24, correction; skeptic upheld)"
        },
        {
          "field": "bound_type",
          "from": null,
          "to": "approximate",
          "checked_on": "2026-10-24",
          "reported_as": "-3.1570 Ha per total",
          "location": "PRL 131, 200601 (2023), p. 200601-4 and Table II",
          "version_read": "Phys. Rev. Lett. 131, 200601 (2023) publisher PDF and arXiv:2305.05168v2",
          "conversion": "none",
          "reason": "Ruling 6 (2026-10-24): DUCC-QFlow minimises an approximate downfolded Hamiltonian (the A(7) truncation of the commutator expansion), not an expectation value of H, so the energy is no bound: approximate.",
          "source_entry": "h-p-2305-05168-c2#25 (qmbl-verify 2026-10-23/24, ambiguous); ruling 6, 2026-10-24"
        },
        {
          "field": "bound_type_reason",
          "from": "downfolded effective Hamiltonian + QFlow, not in RULES list",
          "to": "DUCC-QFlow: QFlow minimisation of the approximate downfolded Hamiltonian A(7), not an expectation value of H (ruled 2026-10-24)",
          "checked_on": "2026-10-24",
          "reported_as": "-3.1570 Ha per total",
          "location": "PRL 131, 200601 (2023), p. 200601-4 and Table II",
          "version_read": "Phys. Rev. Lett. 131, 200601 (2023) publisher PDF and arXiv:2305.05168v2",
          "conversion": "none",
          "reason": "Ruling 6 (2026-10-24): DUCC-QFlow minimises an approximate downfolded Hamiltonian (the A(7) truncation of the commutator expansion), not an expectation value of H, so the energy is no bound: approximate.",
          "source_entry": "h-p-2305-05168-c2#25 (qmbl-verify 2026-10-23/24, ambiguous); ruling 6, 2026-10-24"
        },
        {
          "field": "sampled",
          "to": false,
          "reported_as": "-3.1570 Ha per total",
          "location": "Table II; sources/2305.05168.txt line 263; version read: arXiv text; no journal version found",
          "checked_on": "2026-10-20",
          "reason": "Deterministic, not a Monte Carlo estimate, as the track-3 reader recorded it (pass row `sampled`); the method string alone reads the other way (units.mjs, isSampled).",
          "source_entry": "passes/track3/sweep-rows-2026-10-20-hydrogen.json"
        }
      ]
    },
    {
      "energy": -3.1589,
      "sigma": null,
      "energy_variance": null,
      "dof": 6,
      "einf": null,
      "v_score": null,
      "method": "DUCC-QFlow",
      "ansatz": null,
      "method_detail": "DUCC(7act) downfolded Hamiltonian, (4e,4o) active space",
      "method_as_published": "DUCC(7act)-QFlow(4e,4o)",
      "family": "VQE / circuit",
      "bound_type": "approximate",
      "bound_type_reason": "DUCC-QFlow: QFlow minimisation of the approximate downfolded Hamiltonian A(7), not an expectation value of H (ruled 2026-10-24)",
      "reference": "Karol Kowalski, Nicholas P. Bauman, Quantum Flow Algorithms for Simulating Many-Body Systems on Quantum Computers, Physical Review Letters 131, 200601 (2023), arXiv:2305.05168, doi:10.1103/PhysRevLett.131.200601",
      "peer_reviewed": true,
      "source": "track3-2026-10-20",
      "provenance": "primary",
      "verified": {
        "checked_on": "2026-10-20",
        "method": "source text of arXiv:2305.05168 read locally (pypdf layout text; the generator finds every value again on its line), no LLM transcription of numbers; single reading (Sonnet reader)",
        "reported_as": "-3.1589 Ha per total",
        "note": "Table II; sources/2305.05168.txt line 264; version read: arXiv text; no journal version found | Table II caption line 254: 'energies (in Hartree)', R_H-H=3 a.u. | Boundary not stated, open assumed. | reader confidence medium",
        "secondary_of": null
      },
      "sampled": false,
      "corrections": [
        {
          "field": "reference",
          "from": "Karol Kowalski, Nicholas P. Bauman, Quantum flow algorithms for simulating many-body systems on quantum computers, arXiv:2305.05168",
          "to": "Karol Kowalski, Nicholas P. Bauman, Quantum Flow Algorithms for Simulating Many-Body Systems on Quantum Computers, Physical Review Letters 131, 200601 (2023), arXiv:2305.05168, doi:10.1103/PhysRevLett.131.200601",
          "checked_on": "2026-10-24",
          "reported_as": "-3.1589 (Hartree)",
          "location": "Table II (H6, R_H-H = 3 a.u., cc-pVDZ), row DUCC(7act)-QFlow(4e,4o)",
          "version_read": "arXiv:2305.05168v2 PDF (8 Aug 2023) and Phys. Rev. Lett. 131, 200601 (2023) publisher PDF (journals.aps.org, fetched 2026-10-24), pypdf layout mode; arXiv v1 Table I also compared",
          "conversion": "none (reference field)",
          "reason": "The paper is published: Phys. Rev. Lett. 131, 200601 (2023), doi:10.1103/PhysRevLett.131.200601 (Crossref, title and authors match; PRL PDF read). refs.mjs only follows the arXiv API <arxiv:doi> field, which is empty for 2305.05168, so the Crossref step never ran. Value check passed: printed -3.1589 Ha (PRL) = -3.1589 Ha (arXiv v2), total energy, stored eps -0.5264833333333333 x 6 = -3.1589; instance (open linear chain, N = 6, R = 3 bohr, cc-pVDZ, S_z = 0) and bound_type null agree.",
          "source_entry": "h-p-2305-05168-c2#26 (qmbl-verify 2026-10-23/24, correction; skeptic upheld)"
        },
        {
          "field": "peer_reviewed",
          "from": null,
          "to": true,
          "checked_on": "2026-10-24",
          "reported_as": "-3.1589 (Hartree)",
          "location": "Table II (H6, R_H-H = 3 a.u., cc-pVDZ), row DUCC(7act)-QFlow(4e,4o)",
          "version_read": "arXiv:2305.05168v2 PDF (8 Aug 2023) and Phys. Rev. Lett. 131, 200601 (2023) publisher PDF (journals.aps.org, fetched 2026-10-24), pypdf layout mode; arXiv v1 Table I also compared",
          "conversion": "none",
          "reason": "Published in Phys. Rev. Lett. 131, 200601 (2023) (peer reviewed). The journal Tables I and II are identical to arXiv v2 in every cell of this row. The evidence string ('no journal version found') changes with it: with peer_reviewed true the template at gen/readers.mjs line 77 would write 'journal copy not reached (HTTP 403...)', which is also wrong; the journal PDF was reached on 2026-10-24 and agrees.",
          "source_entry": "h-p-2305-05168-c2#27 (qmbl-verify 2026-10-23/24, correction; skeptic upheld)"
        },
        {
          "field": "bound_type",
          "from": null,
          "to": "approximate",
          "checked_on": "2026-10-24",
          "reported_as": "-3.1589 Ha per total",
          "location": "PRL 131, 200601 (2023), p. 200601-4 and Table II",
          "version_read": "Phys. Rev. Lett. 131, 200601 (2023) publisher PDF and arXiv:2305.05168v2",
          "conversion": "none",
          "reason": "Ruling 6 (2026-10-24): DUCC-QFlow minimises an approximate downfolded Hamiltonian (the A(7) truncation of the commutator expansion), not an expectation value of H, so the energy is no bound: approximate.",
          "source_entry": "h-p-2305-05168-c2#28 (qmbl-verify 2026-10-23/24, ambiguous); ruling 6, 2026-10-24"
        },
        {
          "field": "bound_type_reason",
          "from": "downfolded effective Hamiltonian + QFlow, not in RULES list",
          "to": "DUCC-QFlow: QFlow minimisation of the approximate downfolded Hamiltonian A(7), not an expectation value of H (ruled 2026-10-24)",
          "checked_on": "2026-10-24",
          "reported_as": "-3.1589 Ha per total",
          "location": "PRL 131, 200601 (2023), p. 200601-4 and Table II",
          "version_read": "Phys. Rev. Lett. 131, 200601 (2023) publisher PDF and arXiv:2305.05168v2",
          "conversion": "none",
          "reason": "Ruling 6 (2026-10-24): DUCC-QFlow minimises an approximate downfolded Hamiltonian (the A(7) truncation of the commutator expansion), not an expectation value of H, so the energy is no bound: approximate.",
          "source_entry": "h-p-2305-05168-c2#28 (qmbl-verify 2026-10-23/24, ambiguous); ruling 6, 2026-10-24"
        },
        {
          "field": "sampled",
          "to": false,
          "reported_as": "-3.1589 Ha per total",
          "location": "Table II; sources/2305.05168.txt line 264; version read: arXiv text; no journal version found",
          "checked_on": "2026-10-20",
          "reason": "Deterministic, not a Monte Carlo estimate, as the track-3 reader recorded it (pass row `sampled`); the method string alone reads the other way (units.mjs, isSampled).",
          "source_entry": "passes/track3/sweep-rows-2026-10-20-hydrogen.json"
        }
      ]
    },
    {
      "energy": -3.1591,
      "sigma": null,
      "energy_variance": null,
      "dof": 6,
      "einf": null,
      "v_score": null,
      "method": "ED",
      "ansatz": null,
      "method_detail": "",
      "method_as_published": "ED",
      "family": "other",
      "bound_type": "exact",
      "bound_type_reason": "exact diagonalisation in cc-pVDZ",
      "reference": "Karol Kowalski, Nicholas P. Bauman, Quantum Flow Algorithms for Simulating Many-Body Systems on Quantum Computers, Physical Review Letters 131, 200601 (2023), arXiv:2305.05168, doi:10.1103/PhysRevLett.131.200601",
      "peer_reviewed": true,
      "source": "track3-2026-10-20",
      "provenance": "primary",
      "verified": {
        "checked_on": "2026-10-20",
        "method": "source text of arXiv:2305.05168 read locally (pypdf layout text; the generator finds every value again on its line), no LLM transcription of numbers; single reading (Sonnet reader)",
        "reported_as": "-3.1591 Ha per total",
        "note": "Table II; sources/2305.05168.txt line 265; version read: arXiv text; no journal version found | Table II caption line 254: 'energies (in Hartree)', R_H-H=3 a.u. | Boundary not stated, open assumed. | reader confidence medium",
        "secondary_of": null
      },
      "corrections": [
        {
          "field": "reference",
          "from": "Karol Kowalski, Nicholas P. Bauman, Quantum flow algorithms for simulating many-body systems on quantum computers, arXiv:2305.05168",
          "to": "Karol Kowalski, Nicholas P. Bauman, Quantum Flow Algorithms for Simulating Many-Body Systems on Quantum Computers, Physical Review Letters 131, 200601 (2023), arXiv:2305.05168, doi:10.1103/PhysRevLett.131.200601",
          "checked_on": "2026-10-24",
          "reported_as": "-3.1591 (Hartree)",
          "location": "Table II (H6, R_H-H = 3 a.u., cc-pVDZ), row ED",
          "version_read": "arXiv:2305.05168v2 PDF (8 Aug 2023) and Phys. Rev. Lett. 131, 200601 (2023) publisher PDF (journals.aps.org, fetched 2026-10-24), pypdf layout mode; arXiv v1 Table I also compared",
          "conversion": "none (reference field)",
          "reason": "The paper is published: Phys. Rev. Lett. 131, 200601 (2023), doi:10.1103/PhysRevLett.131.200601 (Crossref, title and authors match; PRL PDF read). refs.mjs only follows the arXiv API <arxiv:doi> field, which is empty for 2305.05168, so the Crossref step never ran. Value check passed: printed -3.1591 Ha (PRL) = -3.1591 Ha (arXiv v2), total energy, stored eps -0.5265166666666666 x 6 = -3.1591; instance (open linear chain, N = 6, R = 3 bohr, cc-pVDZ, S_z = 0) and bound_type exact agree.",
          "source_entry": "h-p-2305-05168-c2#29 (qmbl-verify 2026-10-23/24, correction; skeptic upheld)"
        },
        {
          "field": "peer_reviewed",
          "from": null,
          "to": true,
          "checked_on": "2026-10-24",
          "reported_as": "-3.1591 (Hartree)",
          "location": "Table II (H6, R_H-H = 3 a.u., cc-pVDZ), row ED",
          "version_read": "arXiv:2305.05168v2 PDF (8 Aug 2023) and Phys. Rev. Lett. 131, 200601 (2023) publisher PDF (journals.aps.org, fetched 2026-10-24), pypdf layout mode; arXiv v1 Table I also compared",
          "conversion": "none",
          "reason": "Published in Phys. Rev. Lett. 131, 200601 (2023) (peer reviewed). The journal Tables I and II are identical to arXiv v2 in every cell of this row. The evidence string ('no journal version found') changes with it: with peer_reviewed true the template at gen/readers.mjs line 77 would write 'journal copy not reached (HTTP 403...)', which is also wrong; the journal PDF was reached on 2026-10-24 and agrees.",
          "source_entry": "h-p-2305-05168-c2#30 (qmbl-verify 2026-10-23/24, correction; skeptic upheld)"
        }
      ]
    }
  ],
  "url": "https://qmbl.org/i/Hchain/chain_6_O_R3_ccpvdz/",
  "per_site_divisor": 6,
  "per_site_label": "E/N (Ha)",
  "best": {
    "exact": {
      "energy": -3.1591,
      "sigma": null,
      "method": "ED",
      "ansatz": null,
      "method_detail": "",
      "reference": "Karol Kowalski, Nicholas P. Bauman, Quantum Flow Algorithms for Simulating Many-Body Systems on Quantum Computers, Physical Review Letters 131, 200601 (2023), arXiv:2305.05168, doi:10.1103/PhysRevLett.131.200601",
      "bound_type": "exact",
      "energy_per_site": -0.5265166666666666
    },
    "variational": null,
    "projected": {
      "energy": -3.1591,
      "sigma": null,
      "method": "CCSDTQ",
      "ansatz": null,
      "method_detail": "",
      "reference": "Karol Kowalski, Nicholas P. Bauman, Quantum Flow Algorithms for Simulating Many-Body Systems on Quantum Computers, Physical Review Letters 131, 200601 (2023), arXiv:2305.05168, doi:10.1103/PhysRevLett.131.200601",
      "bound_type": "projected",
      "energy_per_site": -0.5265166666666666
    },
    "extrapolated": null,
    "approximate": {
      "energy": -3.1589,
      "sigma": null,
      "method": "DUCC-QFlow",
      "ansatz": null,
      "method_detail": "DUCC(7act) downfolded Hamiltonian, (4e,4o) active space",
      "reference": "Karol Kowalski, Nicholas P. Bauman, Quantum Flow Algorithms for Simulating Many-Body Systems on Quantum Computers, Physical Review Letters 131, 200601 (2023), arXiv:2305.05168, doi:10.1103/PhysRevLett.131.200601",
      "bound_type": "approximate",
      "energy_per_site": -0.5264833333333333
    },
    "below_exact": [
      {
        "energy": -3.1619,
        "sigma": null,
        "method": "CCSDT",
        "ansatz": null,
        "method_detail": "",
        "reference": "Karol Kowalski, Nicholas P. Bauman, Quantum Flow Algorithms for Simulating Many-Body Systems on Quantum Computers, Physical Review Letters 131, 200601 (2023), arXiv:2305.05168, doi:10.1103/PhysRevLett.131.200601",
        "bound_type": "projected",
        "energy_per_site": -0.5269833333333334
      }
    ]
  },
  "no_best_reason": null,
  "record": {
    "energy": -3.1591,
    "sigma": null,
    "method": "ED",
    "ansatz": null,
    "method_detail": "",
    "reference": "Karol Kowalski, Nicholas P. Bauman, Quantum Flow Algorithms for Simulating Many-Body Systems on Quantum Computers, Physical Review Letters 131, 200601 (2023), arXiv:2305.05168, doi:10.1103/PhysRevLett.131.200601",
    "bound_type": "exact",
    "energy_per_site": -0.5265166666666666
  },
  "no_record_reason": null
}