Pith Number

pith:GW3PELXC

pith:2011:GW3PELXCDLIDY4CBD56INR735W

not attested not anchored not stored refs pending

Group-size effects on the evolution of cooperation in the spatial public goods game

Attila Szolnoki, Matjaz Perc

arxiv:1112.3025 v1 · 2011-12-13 · physics.soc-ph · cond-mat.stat-mech · q-bio.PE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GW3PELXCDLIDY4CBD56INR735W}

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	2026-05-18T04:06:31.714949Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

35b6f22ee21ad03c70411f7c86c7fbedae85550346bf23b7e9aa810e6d48147d

Aliases

arxiv: 1112.3025 · arxiv_version: 1112.3025v1 · doi: 10.48550/arxiv.1112.3025 · pith_short_12: GW3PELXCDLID · pith_short_16: GW3PELXCDLIDY4CB · pith_short_8: GW3PELXC

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/GW3PELXCDLIDY4CBD56INR735W \
  | 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: 35b6f22ee21ad03c70411f7c86c7fbedae85550346bf23b7e9aa810e6d48147d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "27fa6523d8dcc1552972d5c0ce3deae6d4ca0e5d75b9dfaed9b243eec0551481",
    "cross_cats_sorted": [
      "cond-mat.stat-mech",
      "q-bio.PE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2011-12-13T20:49:34Z",
    "title_canon_sha256": "2b104056ecf1408fcc30fc08c207e4e2a5028aff10380871dc0b94f836a92438"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.3025",
    "kind": "arxiv",
    "version": 1
  }
}