Pith Number

pith:OB4ZBSM3

pith:2023:OB4ZBSM3NAZYFCHPTRMX6TSU7X

not attested not anchored not stored refs pending

QH9: A Quantum Hamiltonian Prediction Benchmark for QM9 Molecules

Alex Strasser, Haiyang Yu, Meng Liu, Shuiwang Ji, Xiaofeng Qian, Xiaoning Qian, Youzhi Luo

arxiv:2306.09549 v4 · 2023-06-15 · physics.chem-ph · cs.AI · cs.LG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OB4ZBSM3NAZYFCHPTRMX6TSU7X}

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Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Cited by

1 paper in Pith

Transferable Machine Learning of Electronic Hamiltonians with Superposition-of-Atomic-Potentials Features

Receipt and verification

First computed	2026-07-05T07:58:43.779662Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

707990c99b68338288ef9c597f4e54fdc219b2a2a3bbf17e645983d41a36e542

Aliases

arxiv: 2306.09549 · arxiv_version: 2306.09549v4 · doi: 10.48550/arxiv.2306.09549 · pith_short_12: OB4ZBSM3NAZY · pith_short_16: OB4ZBSM3NAZYFCHP · pith_short_8: OB4ZBSM3

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/OB4ZBSM3NAZYFCHPTRMX6TSU7X \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 707990c99b68338288ef9c597f4e54fdc219b2a2a3bbf17e645983d41a36e542

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f4badb554dc7bd077b326f39b8af507ea8d93efdd85558e64583d1750eb52d5",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2023-06-15T23:39:07Z",
    "title_canon_sha256": "e4fed5b073eac232f697c6d1c510fac2bb8acbad1b22560dd4d2be1c12416649"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2306.09549",
    "kind": "arxiv",
    "version": 4
  }
}