pith. sign in
Pith Number

pith:XY36FFHG

pith:2012:XY36FFHGOJ6THRSV2J23VHP5M6
not attested not anchored not stored refs pending

Defense mechanisms of empathetic players in the spatial ultimatum game

Attila Szolnoki, Gyorgy Szabo, Matjaz Perc

arxiv:1207.4786 v1 · 2012-07-19 · physics.soc-ph · cond-mat.stat-mech · physics.bio-ph · q-bio.PE

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{XY36FFHGOJ6THRSV2J23VHP5M6}

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 2026-05-18T03:48:35.249249Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

be37e294e6727d33c655d275ba9dfd678f06acbd3e214124f81aef6cb6932568

Aliases

arxiv: 1207.4786 · arxiv_version: 1207.4786v1 · doi: 10.48550/arxiv.1207.4786 · pith_short_12: XY36FFHGOJ6T · pith_short_16: XY36FFHGOJ6THRSV · pith_short_8: XY36FFHG
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/XY36FFHGOJ6THRSV2J23VHP5M6 \
  | 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: be37e294e6727d33c655d275ba9dfd678f06acbd3e214124f81aef6cb6932568
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "2948653f42fcc28479424975f6a2b533280181fbab8b5245464a16c7c6489d34",
    "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": "2012-07-19T19:58:55Z",
    "title_canon_sha256": "c9d07dc1d34fa06b67258ab70f5f73572a10d4be700b4b09b99d73ec50d79899"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.4786",
    "kind": "arxiv",
    "version": 1
  }
}