Pith Number

pith:YOYGQH2M

pith:2009:YOYGQH2MXQURSYATWHER3HLSAZ

not attested not anchored not stored refs pending

Mutual Trust and Cooperation in the Evolutionary Hawks-Doves Game

Enea Pestelacci, Leslie Luthi, Marco Tomassini

arxiv:0909.1962 v1 · 2009-09-10 · physics.soc-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YOYGQH2MXQURSYATWHER3HLSAZ}

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	2026-05-18T04:34:55.468091Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3b0681f4cbc29196013b1c91d9d72066a72fc9301a1b1eba182ddf9603b2182

Aliases

arxiv: 0909.1962 · arxiv_version: 0909.1962v1 · doi: 10.48550/arxiv.0909.1962 · pith_short_12: YOYGQH2MXQUR · pith_short_16: YOYGQH2MXQURSYAT · pith_short_8: YOYGQH2M

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/YOYGQH2MXQURSYATWHER3HLSAZ \
  | 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: c3b0681f4cbc29196013b1c91d9d72066a72fc9301a1b1eba182ddf9603b2182

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d74fa6073e47a5fe0f81554a3d9346089f1babb080fc089300d2406c08a9cf3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2009-09-10T14:56:27Z",
    "title_canon_sha256": "8b3e9b558a1ec7a6f0056d51c0587d2e332bd358f2642fe554c9da1b83308ac6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.1962",
    "kind": "arxiv",
    "version": 1
  }
}