Pith Number

pith:N3T64ZK7

pith:2012:N3T64ZK7SDMTMPZCG5NRCSK4K3

not attested not anchored not stored refs pending

Robustness Against Extinction by Stochastic Sex Determination in Small Populations

David M. Schneider, Eduardo do Carmo, Marcus A. M. de Aguiar, Yaneer Bar-Yam

arxiv:1204.4920 v2 · 2012-04-22 · q-bio.PE · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N3T64ZK7SDMTMPZCG5NRCSK4K3}

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	2026-05-18T03:42:33.879852Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ee7ee655f90d9363f22375b11495c56c61495a0f596766e993efc442f337b4d

Aliases

arxiv: 1204.4920 · arxiv_version: 1204.4920v2 · doi: 10.48550/arxiv.1204.4920 · pith_short_12: N3T64ZK7SDMT · pith_short_16: N3T64ZK7SDMTMPZC · pith_short_8: N3T64ZK7

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/N3T64ZK7SDMTMPZCG5NRCSK4K3 \
  | 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: 6ee7ee655f90d9363f22375b11495c56c61495a0f596766e993efc442f337b4d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1aa4878d97d4a00e9ca427f8ee89c90f9030e0f37ab754a473c275d56c90e293",
    "cross_cats_sorted": [
      "physics.data-an"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2012-04-22T17:58:45Z",
    "title_canon_sha256": "a8ed3e3fb40888035ada65777f780da8aedf87ba88b1a25c659d5f3631029271"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.4920",
    "kind": "arxiv",
    "version": 2
  }
}