Pith Number

pith:VVIGWKF2

pith:2025:VVIGWKF2Q3ZBPLD6TB7FMKCDVE

not attested not anchored not stored refs pending

Enhancing PySCF-based Quantum Chemistry Simulations with Modern Hardware, Algorithms, and Python Tools

Qiming Sun, Zhichen Pu

arxiv:2506.06661 v1 · 2025-06-07 · physics.chem-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VVIGWKF2Q3ZBPLD6TB7FMKCDVE}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

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.

Receipt and verification

First computed	2026-07-05T11:17:53.549303Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad506b28ba86f217ac7e987e562843a91d538a6daaa91a9edd703c59279f53df

Aliases

arxiv: 2506.06661 · arxiv_version: 2506.06661v1 · doi: 10.48550/arxiv.2506.06661 · pith_short_12: VVIGWKF2Q3ZB · pith_short_16: VVIGWKF2Q3ZBPLD6 · pith_short_8: VVIGWKF2

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/VVIGWKF2Q3ZBPLD6TB7FMKCDVE \
  | 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: ad506b28ba86f217ac7e987e562843a91d538a6daaa91a9edd703c59279f53df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e8de87f3cbe19ce841fc4d3b51a0a9df6ce7c0b380b47ef03c6e54f900c0f6be",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2025-06-07T04:51:09Z",
    "title_canon_sha256": "440a30567d8dc669ece97659295fdf4499317dcb05abcf8f8f5156e66f8fa381"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.06661",
    "kind": "arxiv",
    "version": 1
  }
}