Pith Number

pith:L5O4BLCD

pith:2009:L5O4BLCDKJ5ZFLNWVKWBTKXN6R

not attested not anchored not stored refs pending

Evolutionary Prisoner's Dilemma Game in Flocks

Jian-Xi Gao, Xiao-Ming Xu, Yun-Ze Cai, Zhuo Chen

arxiv:0905.1456 v2 · 2009-05-10 · 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{L5O4BLCDKJ5ZFLNWVKWBTKXN6R}

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	2026-05-18T02:24:55.806105Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f5dc0ac43527b92adb6aaac19aaedf44d10425be530d673f1e1371b8455e51a

Aliases

arxiv: 0905.1456 · arxiv_version: 0905.1456v2 · doi: 10.48550/arxiv.0905.1456 · pith_short_12: L5O4BLCDKJ5Z · pith_short_16: L5O4BLCDKJ5ZFLNW · pith_short_8: L5O4BLCD

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/L5O4BLCDKJ5ZFLNWVKWBTKXN6R \
  | 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: 5f5dc0ac43527b92adb6aaac19aaedf44d10425be530d673f1e1371b8455e51a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aeed6f0cfff9ed2f8ead210f8462bcd3b295a1562a807e42bfcaa79488bc1e8b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2009-05-10T08:26:26Z",
    "title_canon_sha256": "b0f0fd2871443572e91a179886e1740c42901862425c7eb3c5088199834f703e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.1456",
    "kind": "arxiv",
    "version": 2
  }
}