Pith Number

pith:U6KQOJRX

pith:2011:U6KQOJRXBXIZEWXZLU735OVEFP

not attested not anchored not stored refs pending

Converging towards the optimal path to extinction

Eric Forgoston, Ira B. Schwartz, Leah B. Shaw, Simone Bianco

arxiv:1112.4908 v1 · 2011-12-21 · q-bio.PE · cond-mat.stat-mech

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U6KQOJRXBXIZEWXZLU735OVEFP}

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	2026-05-18T04:05:56.908614Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7950726370dd1925af95d3fbebaa42be88427721a28aa9533b252f14fee18ca

Aliases

arxiv: 1112.4908 · arxiv_version: 1112.4908v1 · doi: 10.48550/arxiv.1112.4908 · pith_short_12: U6KQOJRXBXIZ · pith_short_16: U6KQOJRXBXIZEWXZ · pith_short_8: U6KQOJRX

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/U6KQOJRXBXIZEWXZLU735OVEFP \
  | 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: a7950726370dd1925af95d3fbebaa42be88427721a28aa9533b252f14fee18ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dfad374bbb4b047cdcb4f5faa8a03268be47b9618d5ad7666a7365f0bf76a7c8",
    "cross_cats_sorted": [
      "cond-mat.stat-mech"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2011-12-21T02:03:13Z",
    "title_canon_sha256": "c8010f5963e69289efb02351e4d8cb5c00a5588d6983975ae476a7b2d264646d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.4908",
    "kind": "arxiv",
    "version": 1
  }
}