Pith Number

pith:WFE6JYPA

pith:2001:WFE6JYPAG6WNZVUH2K4AQXHK6Y

not attested not anchored not stored refs pending

Justification of Sexual Reproduction by Modified Penna Model of Ageing

D. Stauffer, J.S. S\'a Martins

arxiv:cond-mat/0102176 v1 · 2001-02-09 · cond-mat.stat-mech · q-bio

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WFE6JYPAG6WNZVUH2K4AQXHK6Y}

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	2026-05-18T01:40:07.657123Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b149e4e1e037acdcd687d2b8085ceaf6363987b8a477309a80c6a7ec7815214e

Aliases

arxiv: cond-mat/0102176 · arxiv_version: cond-mat/0102176v1 · doi: 10.48550/arxiv.cond-mat/0102176 · pith_short_12: WFE6JYPAG6WN · pith_short_16: WFE6JYPAG6WNZVUH · pith_short_8: WFE6JYPA

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/WFE6JYPAG6WNZVUH2K4AQXHK6Y \
  | 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: b149e4e1e037acdcd687d2b8085ceaf6363987b8a477309a80c6a7ec7815214e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c7e0681441d461fff27e5e1ad3f26a03930b8df36ee3b2cc14c745f30af63d27",
    "cross_cats_sorted": [
      "q-bio"
    ],
    "license": "",
    "primary_cat": "cond-mat.stat-mech",
    "submitted_at": "2001-02-09T16:21:53Z",
    "title_canon_sha256": "2d3721839123ae177b9b202fb18402a4493184f1a8e9984897bd5ea2a1fae449"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0102176",
    "kind": "arxiv",
    "version": 1
  }
}