Pith Number

pith:D3WFL5PI

pith:1997:D3WFL5PIJA7WVF2ZXZ3BXFCO46

not attested not anchored not stored refs pending

A comparison between algebraic models of molecular spectroscopy

A. Frank, F. Perez-Bernal (ICN/UNAM, J.M. Arias, Mexico, R. Bijker, R. Lemus, Sevilla, Spain)

arxiv:physics/9708029 v1 · 1997-08-25 · physics.chem-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D3WFL5PIJA7WVF2ZXZ3BXFCO46}

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

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	2026-05-18T00:31:31.918150Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1eec55f5e8483f6a9759be761b944ee79fce297d8ab9a2d4b83d792d0473ae82

Aliases

arxiv: physics/9708029 · arxiv_version: physics/9708029v1 · doi: 10.48550/arxiv.physics/9708029 · pith_short_12: D3WFL5PIJA7W · pith_short_16: D3WFL5PIJA7WVF2Z · pith_short_8: D3WFL5PI

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/D3WFL5PIJA7WVF2ZXZ3BXFCO46 \
  | 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: 1eec55f5e8483f6a9759be761b944ee79fce297d8ab9a2d4b83d792d0473ae82

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2fe85e51e2883e05be4f6744934d68d419122376c9fde1c40e56286d2caaeefb",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "1997-08-25T21:37:03Z",
    "title_canon_sha256": "2a6603f94766cba4327453a7185c94385f0d8bd7de2dd6e33f9236fa376ca8ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/9708029",
    "kind": "arxiv",
    "version": 1
  }
}