Pith Number

pith:O6RGUJ5P

pith:2014:O6RGUJ5PRTNIPAWF4XV6IBQQYC

not attested not anchored not stored refs pending

Group size effect on cooperation in social dilemmas

Helene Barcelo, Valerio Capraro

arxiv:1404.3789 v5 · 2014-04-15 · cs.GT · 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{O6RGUJ5PRTNIPAWF4XV6IBQQYC}

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	2026-05-18T02:30:40.334005Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77a26a27af8cda8782c5e5ebe40610c08f1066e94a946208c3a924b7728bc8d5

Aliases

arxiv: 1404.3789 · arxiv_version: 1404.3789v5 · doi: 10.48550/arxiv.1404.3789 · pith_short_12: O6RGUJ5PRTNI · pith_short_16: O6RGUJ5PRTNIPAWF · pith_short_8: O6RGUJ5P

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/O6RGUJ5PRTNIPAWF4XV6IBQQYC \
  | 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: 77a26a27af8cda8782c5e5ebe40610c08f1066e94a946208c3a924b7728bc8d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5fbb836472f4008c19f903397a087a37ea2e9448f6fdfe8d9443d72b776abffa",
    "cross_cats_sorted": [
      "q-bio.PE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GT",
    "submitted_at": "2014-04-15T01:03:39Z",
    "title_canon_sha256": "826550c018eba989c044d8b415662c8c2f3e304aff59f6526162a5bc5e8ccab0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.3789",
    "kind": "arxiv",
    "version": 5
  }
}