Pith Number

pith:CUC3AA5Z

pith:2012:CUC3AA5ZDP4FDSNQZ3SFGXLSXH

not attested not anchored not stored refs pending

On the Foundations of the Theory of Evolution

Bart D'Hooghe, Diederik Aerts, Liane Gabora, Marek Czachor, Philip Polk, Sandro Sozzo, Stan Bundervoet

arxiv:1212.0107 v1 · 2012-12-01 · physics.bio-ph · q-bio.PE · quant-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{CUC3AA5ZDP4FDSNQZ3SFGXLSXH}

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	2026-05-18T03:39:27.256658Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1505b003b91bf851c9b0cee4535d72b9c6fedc0cf01ca86829fd7fbcfa883d98

Aliases

arxiv: 1212.0107 · arxiv_version: 1212.0107v1 · doi: 10.48550/arxiv.1212.0107 · pith_short_12: CUC3AA5ZDP4F · pith_short_16: CUC3AA5ZDP4FDSNQ · pith_short_8: CUC3AA5Z

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/CUC3AA5ZDP4FDSNQZ3SFGXLSXH \
  | 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: 1505b003b91bf851c9b0cee4535d72b9c6fedc0cf01ca86829fd7fbcfa883d98

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a251e052d69f59800db44b7ea3355ea55939a007c15d277b2ca53d58177b63df",
    "cross_cats_sorted": [
      "q-bio.PE",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.bio-ph",
    "submitted_at": "2012-12-01T13:04:00Z",
    "title_canon_sha256": "fa7af8b1252823d759ae9694ca0ed84e01d15dfe55fe267a765bacffc6408357"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.0107",
    "kind": "arxiv",
    "version": 1
  }
}