Pith Number

pith:CA75GHBQ

pith:2003:CA75GHBQXLK2OUC7Z5P7625QJX

not attested not anchored not stored refs pending

Positive mutations and mutation-dependent Verhulst factor in Penna ageing model

D. Stauffer, J.S. Sa Martins, P.M.C de Oliveira, S. Moss de Oliveira

arxiv:cond-mat/0308532 v1 · 2003-08-26 · cond-mat.stat-mech · q-bio.PE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CA75GHBQXLK2OUC7Z5P7625QJX}

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	2026-05-18T01:39:59.343342Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

103fd31c30bad5a7505fcf5fff6bb04ded71ab4569393ddc55741b2dbfadbfa1

Aliases

arxiv: cond-mat/0308532 · arxiv_version: cond-mat/0308532v1 · doi: 10.48550/arxiv.cond-mat/0308532 · pith_short_12: CA75GHBQXLK2 · pith_short_16: CA75GHBQXLK2OUC7 · pith_short_8: CA75GHBQ

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/CA75GHBQXLK2OUC7Z5P7625QJX \
  | 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: 103fd31c30bad5a7505fcf5fff6bb04ded71ab4569393ddc55741b2dbfadbfa1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "21a203fce0bc23fd86c11a0cbef6a5e125a1dfa4555152c17395ff837b8579ce",
    "cross_cats_sorted": [
      "q-bio.PE"
    ],
    "license": "",
    "primary_cat": "cond-mat.stat-mech",
    "submitted_at": "2003-08-26T11:02:53Z",
    "title_canon_sha256": "f2314b3fbdce2ead3534e28e59ecdc93040e98c861322de884becb22d03d9ace"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0308532",
    "kind": "arxiv",
    "version": 1
  }
}