Pith Number

pith:QJVII24N

pith:2013:QJVII24NBP6BK2XC2JFMWEUCGC

not attested not anchored not stored refs pending

A Model of Human Cooperation in Social Dilemmas

Valerio Capraro

arxiv:1307.4228 v2 · 2013-07-16 · cs.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QJVII24NBP6BK2XC2JFMWEUCGC}

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	2026-05-18T03:13:09.753842Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

826a846b8d0bfc156ae2d24acb128230bf8fe822c06b6048299217ed0a166828

Aliases

arxiv: 1307.4228 · arxiv_version: 1307.4228v2 · doi: 10.48550/arxiv.1307.4228 · pith_short_12: QJVII24NBP6B · pith_short_16: QJVII24NBP6BK2XC · pith_short_8: QJVII24N

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/QJVII24NBP6BK2XC2JFMWEUCGC \
  | 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: 826a846b8d0bfc156ae2d24acb128230bf8fe822c06b6048299217ed0a166828

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1f6228071b1d95597297751bbab5a5a66d541024d1c6a5a3296d3487dec1eb9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GT",
    "submitted_at": "2013-07-16T09:57:13Z",
    "title_canon_sha256": "61666f341eaa0a6ab97ccac3c407549026b33107fbb9906c5391362d2d425c2f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.4228",
    "kind": "arxiv",
    "version": 2
  }
}