Pith Number

pith:C4B5JNWS

pith:2012:C4B5JNWSP5FHERJ3FAVCUHUNM3

not attested not anchored not stored refs pending

Clonal selection prevents tragedy of the commons when neighbors compete in a rock-paper-scissors game

Jeppe Juul, Joachim Mathiesen, Kim Sneppen

arxiv:1201.4036 v2 · 2012-01-19 · q-bio.PE · nlin.PS · physics.bio-ph · 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{C4B5JNWSP5FHERJ3FAVCUHUNM3}

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	2026-05-18T03:52:26.123810Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1703d4b6d27f4a72453b282a2a1e8d66c56837f059ffa31b8da532337ecd3c7b

Aliases

arxiv: 1201.4036 · arxiv_version: 1201.4036v2 · doi: 10.48550/arxiv.1201.4036 · pith_short_12: C4B5JNWSP5FH · pith_short_16: C4B5JNWSP5FHERJ3 · pith_short_8: C4B5JNWS

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/C4B5JNWSP5FHERJ3FAVCUHUNM3 \
  | 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: 1703d4b6d27f4a72453b282a2a1e8d66c56837f059ffa31b8da532337ecd3c7b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b7f5d1ec6fe8b35ae6019b486ecd2bc9880041f3f6681d8871fb1e5c924df36a",
    "cross_cats_sorted": [
      "nlin.PS",
      "physics.bio-ph",
      "physics.data-an"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2012-01-19T12:21:36Z",
    "title_canon_sha256": "19031d1dc928752af4bd9bac8ef0401b10c9beda0887b41ba5ef15a57bd07f0e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.4036",
    "kind": "arxiv",
    "version": 2
  }
}