Pith Number

pith:7UNPUYDX

pith:1998:7UNPUYDX7IBBOUFDTKWICT2PWV

not attested not anchored not stored refs pending

A fully ab initio quartic force field of spectroscopic quality for SO_3

Jan M.L. Martin

arxiv:physics/9808012 v1 · 1998-08-12 · 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{7UNPUYDX7IBBOUFDTKWICT2PWV}

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	2026-05-18T01:38:04.312239Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd1afa6077fa021750a39aac814f4fb56cdbd8a8fa930bcb89725401c24d7bea

Aliases

arxiv: physics/9808012 · arxiv_version: physics/9808012v1 · doi: 10.48550/arxiv.physics/9808012 · pith_short_12: 7UNPUYDX7IBB · pith_short_16: 7UNPUYDX7IBBOUFD · pith_short_8: 7UNPUYDX

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/7UNPUYDX7IBBOUFDTKWICT2PWV \
  | 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: fd1afa6077fa021750a39aac814f4fb56cdbd8a8fa930bcb89725401c24d7bea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52cf07b904ef44def7fc198af7b83d1f47ddf21d7ae9df0cabbf708fc0cfb368",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "1998-08-12T17:10:15Z",
    "title_canon_sha256": "b2383086924317c1d118104a3bb840c3bf19fd585244bcf8d312e4c9fd90957e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/9808012",
    "kind": "arxiv",
    "version": 1
  }
}