Pith Number

pith:ULW73ZS3

pith:2008:ULW73ZS3AINDPDJP6VCXMSWPUY

not attested not anchored not stored refs pending

Motion of influential players can support cooperation in Prisoner's Dilemma

Gy\"orgy Szab\'o, Janusz Szwabi\'nski, Michel Droz

arxiv:0810.0367 v1 · 2008-10-02 · 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{ULW73ZS3AINDPDJP6VCXMSWPUY}

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	2026-05-18T02:15:33.040659Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2edfde65b021a378d2ff545764acfa627ec2f5dfe42359be5c817b989a4ab30

Aliases

arxiv: 0810.0367 · arxiv_version: 0810.0367v1 · doi: 10.48550/arxiv.0810.0367 · pith_short_12: ULW73ZS3AIND · pith_short_16: ULW73ZS3AINDPDJP · pith_short_8: ULW73ZS3

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/ULW73ZS3AINDPDJP6VCXMSWPUY \
  | 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: a2edfde65b021a378d2ff545764acfa627ec2f5dfe42359be5c817b989a4ab30

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a0e4965ce673c29e0cd791d6af9a99aa447e459a596175df1a55728830cc953",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2008-10-02T09:18:34Z",
    "title_canon_sha256": "d5cccc82d2b0f21e033486fc8a9db8813fd47b6fd735d1bad651ce9e567a623d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0810.0367",
    "kind": "arxiv",
    "version": 1
  }
}