Pith Number

pith:F3YT7EYA

pith:2014:F3YT7EYA4QLLG4ZIWQ72P2XKWI

not attested not anchored not stored refs pending

Inter-groups information exchange drives Cooperation in the Public Goods Game

Carlos Gracia-Lazaro, Jesus Gomez-Gardenes, Luis Mario Floria, Yamir Moreno

arxiv:1408.0910 v1 · 2014-08-05 · 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{F3YT7EYA4QLLG4ZIWQ72P2XKWI}

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	2026-05-18T02:39:38.673206Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ef13f9300e416b37328b43fa7eaeab22c537df7b85359ebf681d956666aab9c

Aliases

arxiv: 1408.0910 · arxiv_version: 1408.0910v1 · doi: 10.48550/arxiv.1408.0910 · pith_short_12: F3YT7EYA4QLL · pith_short_16: F3YT7EYA4QLLG4ZI · pith_short_8: F3YT7EYA

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/F3YT7EYA4QLLG4ZIWQ72P2XKWI \
  | 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: 2ef13f9300e416b37328b43fa7eaeab22c537df7b85359ebf681d956666aab9c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e094fb032db11fc79a874696a5d8102315a4d269adf22b24316000de492897c3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2014-08-05T10:03:00Z",
    "title_canon_sha256": "b1787e139185c4d0857ac1fcc7adb19aad66c0e48c6b154c724df0b04bfe02bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.0910",
    "kind": "arxiv",
    "version": 1
  }
}