Pith Number

pith:FIJYQ6WP

pith:2012:FIJYQ6WP32EY362F3YRFU73RRD

not attested not anchored not stored refs pending

Accuracy in strategy imitations promotes the evolution of fairness in the spatial ultimatum game

Attila Szolnoki, Gyorgy Szabo, Matjaz Perc

arxiv:1211.1964 v1 · 2012-11-08 · physics.soc-ph · cond-mat.stat-mech · physics.bio-ph · 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{FIJYQ6WP32EY362F3YRFU73RRD}

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	2026-05-18T03:41:13.122467Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a13887acfde898dfb45de225a7f7188f7c69f0c6ea762cc4e36aad15c48b71d

Aliases

arxiv: 1211.1964 · arxiv_version: 1211.1964v1 · doi: 10.48550/arxiv.1211.1964 · pith_short_12: FIJYQ6WP32EY · pith_short_16: FIJYQ6WP32EY362F · pith_short_8: FIJYQ6WP

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/FIJYQ6WP32EY362F3YRFU73RRD \
  | 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: 2a13887acfde898dfb45de225a7f7188f7c69f0c6ea762cc4e36aad15c48b71d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf3693d6bbf61e16d60220767a71dc42844bb95ae42efa9cd0e4a6fcfd29e470",
    "cross_cats_sorted": [
      "cond-mat.stat-mech",
      "physics.bio-ph",
      "q-bio.PE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2012-11-08T20:23:35Z",
    "title_canon_sha256": "88c2d7ce0d3b13e573238371e12055eb86b664d502e458015ca32ed56898bd4f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.1964",
    "kind": "arxiv",
    "version": 1
  }
}