Pith Number

pith:QETE3TMT

pith:2013:QETE3TMTHP3H3I7WMQSN32VO26

not attested not anchored not stored refs pending

The combinatorial multitude of fatty acids can be described by Fibonacci numbers

Stefan Schuster

arxiv:1303.7189 v1 · 2013-03-28 · q-bio.BM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QETE3TMTHP3H3I7WMQSN32VO26}

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	2026-05-18T03:29:38.067306Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81264dcd933bf67da3f66424ddeaaed7947b5e2794fea14077d1f556392b8a14

Aliases

arxiv: 1303.7189 · arxiv_version: 1303.7189v1 · doi: 10.48550/arxiv.1303.7189 · pith_short_12: QETE3TMTHP3H · pith_short_16: QETE3TMTHP3H3I7W · pith_short_8: QETE3TMT

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/QETE3TMTHP3H3I7WMQSN32VO26 \
  | 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: 81264dcd933bf67da3f66424ddeaaed7947b5e2794fea14077d1f556392b8a14

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e3b4dd3ccae7e853f2d88dc510177ad9ecdea05fcbb8e0593532b301aaa931fc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.BM",
    "submitted_at": "2013-03-28T17:35:08Z",
    "title_canon_sha256": "efe64e83b0182d713bfad3f5eb3206b873b3e0df32e914382027d0449e39f476"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.7189",
    "kind": "arxiv",
    "version": 1
  }
}