Pith Number

pith:S73DU526

pith:2013:S73DU526Z2UFJQXKDHDVI2CLQB

not attested not anchored not stored refs pending

Effectiveness of conditional punishment for the evolution of public cooperation

Attila Szolnoki, Matjaz Perc

arxiv:1302.3546 v1 · 2013-02-14 · 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{S73DU526Z2UFJQXKDHDVI2CLQB}

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	2026-05-18T03:30:40.855705Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

97f63a775ecea854c2ea19c754684b80661c64b306072afbd0aa671613f13d90

Aliases

arxiv: 1302.3546 · arxiv_version: 1302.3546v1 · doi: 10.48550/arxiv.1302.3546 · pith_short_12: S73DU526Z2UF · pith_short_16: S73DU526Z2UFJQXK · pith_short_8: S73DU526

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/S73DU526Z2UFJQXKDHDVI2CLQB \
  | 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: 97f63a775ecea854c2ea19c754684b80661c64b306072afbd0aa671613f13d90

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75963505350c67a903609177a24d0577f2de1cb92bb97133a76ba8c255b0d71c",
    "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": "2013-02-14T20:53:57Z",
    "title_canon_sha256": "5cd03c722c65696d2c53479f195e64d66372926d6a3bff4ca14015d159421bf0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.3546",
    "kind": "arxiv",
    "version": 1
  }
}