Pith Number

pith:DOKGIATQ

pith:2002:DOKGIATQTCG2HCKWHCQZBZ4U2G

not attested not anchored not stored refs pending

Evolution of Cooperation in a Spatial Prisoner's Dilemma

Frank Schweitzer, Heinz Muehlenbein, Laxmidhar Behera

arxiv:cond-mat/0211605 v1 · 2002-11-26 · cond-mat.stat-mech · cs.GT · nlin.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DOKGIATQTCG2HCKWHCQZBZ4U2G}

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	2026-07-04T14:19:38.145944Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b94640270988da3895638a190e794d19ec6ebc413238b46ccedbfed5dbdddf6

Aliases

arxiv: cond-mat/0211605 · arxiv_version: cond-mat/0211605v1 · doi: 10.48550/arxiv.cond-mat/0211605 · pith_short_12: DOKGIATQTCG2 · pith_short_16: DOKGIATQTCG2HCKW · pith_short_8: DOKGIATQ

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/DOKGIATQTCG2HCKWHCQZBZ4U2G \
  | 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: 1b94640270988da3895638a190e794d19ec6ebc413238b46ccedbfed5dbdddf6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d46744bde3a5c6baaf60bd9e1e00833fd6c50810aca72be4c222f047a1ac24b9",
    "cross_cats_sorted": [
      "cs.GT",
      "nlin.CG"
    ],
    "license": "",
    "primary_cat": "cond-mat.stat-mech",
    "submitted_at": "2002-11-26T17:55:42Z",
    "title_canon_sha256": "56ef0d089096258212f8af908ee5328bfc8f2aa64a978ad5fb52044377143ad3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0211605",
    "kind": "arxiv",
    "version": 1
  }
}