Pith Number

pith:4NMTREZZ

pith:2012:4NMTREZZW4XYPFTZIOBB2EHJMC

not attested not anchored not stored refs pending

Strong gender differences in reproductive success variance, and the times to the most recent common ancestors

Didier Sornette, Maroussia Favre

arxiv:1203.6231 v1 · 2012-03-28 · q-bio.PE · physics.soc-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{4NMTREZZW4XYPFTZIOBB2EHJMC}

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	2026-05-18T03:04:22.718989Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e359389339b72f87967943821d10e960b6320a7b9b8fa0306aa6209c803bd14e

Aliases

arxiv: 1203.6231 · arxiv_version: 1203.6231v1 · doi: 10.48550/arxiv.1203.6231 · pith_short_12: 4NMTREZZW4XY · pith_short_16: 4NMTREZZW4XYPFTZ · pith_short_8: 4NMTREZZ

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/4NMTREZZW4XYPFTZIOBB2EHJMC \
  | 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: e359389339b72f87967943821d10e960b6320a7b9b8fa0306aa6209c803bd14e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac7c6d230ccfc07f8db768ea1a466a009192cd5f86d0b9f74450793f48b64ac1",
    "cross_cats_sorted": [
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2012-03-28T11:26:13Z",
    "title_canon_sha256": "5e5a34fcd4ad28726bf786aa49dc08c7ec466823737028f6deeffeaaf52d637b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.6231",
    "kind": "arxiv",
    "version": 1
  }
}