Pith Number

pith:VB66QOVR

pith:2004:VB66QOVRFD5YIDJAHMAMH6YQQ2

not attested not anchored not stored refs pending

Two-step method for precise calculation of core properties in molecules

A.N.Petrov, A.V.Titov, N.S.Mosyagin, T.A.Isaev

arxiv:physics/0409071 v1 · 2004-09-15 · physics.atom-ph · 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{VB66QOVRFD5YIDJAHMAMH6YQQ2}

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	2026-05-18T01:38:08.243711Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a87de83ab128fb840d203b00c3fb1086a4819be0dd609449eee013484b960b87

Aliases

arxiv: physics/0409071 · arxiv_version: physics/0409071v1 · doi: 10.48550/arxiv.physics/0409071 · pith_short_12: VB66QOVRFD5Y · pith_short_16: VB66QOVRFD5YIDJA · pith_short_8: VB66QOVR

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/VB66QOVRFD5YIDJAHMAMH6YQQ2 \
  | 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: a87de83ab128fb840d203b00c3fb1086a4819be0dd609449eee013484b960b87

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53ab2b6b2c1b430ece74f3149542db89c58c6a47ff42973589448d6f071cacaf",
    "cross_cats_sorted": [
      "physics.chem-ph"
    ],
    "license": "",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2004-09-15T19:27:35Z",
    "title_canon_sha256": "d91a5ce5419bfdfe1f665cf262a6fda64c59347afc3efae173cd8b9479dd637f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0409071",
    "kind": "arxiv",
    "version": 1
  }
}