pith. sign in
Pith Number

pith:JFIJNDCE

pith:2014:JFIJNDCEKFRPYI42UE4X75MIPQ
not attested not anchored not stored refs pending

Inequity aversion and the evolution of cooperation

Asrar Ahmed, Kamalakar Karlapalem

arxiv:1402.4946 v1 · 2014-02-20 · cs.GT · physics.soc-ph · q-bio.PE

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{JFIJNDCEKFRPYI42UE4X75MIPQ}

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 2026-05-18T02:58:31.563120Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

4950968c445162fc239aa1397ff5887c1447a9722cd2f6b7bd16ac413b1e4bd8

Aliases

arxiv: 1402.4946 · arxiv_version: 1402.4946v1 · doi: 10.48550/arxiv.1402.4946 · pith_short_12: JFIJNDCEKFRP · pith_short_16: JFIJNDCEKFRPYI42 · pith_short_8: JFIJNDCE
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/JFIJNDCEKFRPYI42UE4X75MIPQ \
  | 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: 4950968c445162fc239aa1397ff5887c1447a9722cd2f6b7bd16ac413b1e4bd8
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "e87055a02e3dc14c1c88bdde859b415ceef8a068c6153bb50788f0121389eb9a",
    "cross_cats_sorted": [
      "physics.soc-ph",
      "q-bio.PE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GT",
    "submitted_at": "2014-02-20T10:07:08Z",
    "title_canon_sha256": "89c729b60bd8d5a50c6fd7ba5ce016cc2977f2a97256bb0f50432c0f40276307"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.4946",
    "kind": "arxiv",
    "version": 1
  }
}