Pith Number

pith:M5IEJUQH

pith:2012:M5IEJUQHA4C5KGR2XC7OJLX5ZK

not attested not anchored not stored refs pending

The Evolution of Cooperation in Business

Dan Ladley (University of Leicester), Ian Wilkinson (University of Sydney, Louise Young (University of Western Sydney, University of Southern Denmark)

arxiv:1203.1107 v1 · 2012-03-06 · 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{M5IEJUQHA4C5KGR2XC7OJLX5ZK}

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	2026-05-18T04:00:48.781343Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

675044d2070705d51a3ab8bee4aefdca9225f3cccf3020f4a88d1522b4610920

Aliases

arxiv: 1203.1107 · arxiv_version: 1203.1107v1 · doi: 10.48550/arxiv.1203.1107 · pith_short_12: M5IEJUQHA4C5 · pith_short_16: M5IEJUQHA4C5KGR2 · pith_short_8: M5IEJUQH

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/M5IEJUQHA4C5KGR2XC7OJLX5ZK \
  | 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: 675044d2070705d51a3ab8bee4aefdca9225f3cccf3020f4a88d1522b4610920

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b8510682be14597c954c00f6f3393cadd31f3ffc08f1ec5f46da9b0dcded6b98",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GT",
    "submitted_at": "2012-03-06T06:41:07Z",
    "title_canon_sha256": "7b85e972229aca778143c52419143e97b1d6fc4ed176e31ca3830d46574863a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.1107",
    "kind": "arxiv",
    "version": 1
  }
}