Pith Number

pith:67WPDA6H

pith:2014:67WPDA6HMYTL4X6HIQBPM5S7GL

not attested not anchored not stored refs pending

The emergence of hyper-altruistic behaviour in conflictual situations

Valerio Capraro

arxiv:1410.1314 v4 · 2014-10-06 · q-bio.PE · cs.GT · 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{67WPDA6HMYTL4X6HIQBPM5S7GL}

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	2026-05-18T02:30:46.889297Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7ecf183c76626be5fc74402f6765f32d3b3926c200ab71f8ed0dd9dee3dc659

Aliases

arxiv: 1410.1314 · arxiv_version: 1410.1314v4 · doi: 10.48550/arxiv.1410.1314 · pith_short_12: 67WPDA6HMYTL · pith_short_16: 67WPDA6HMYTL4X6H · pith_short_8: 67WPDA6H

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/67WPDA6HMYTL4X6HIQBPM5S7GL \
  | 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: f7ecf183c76626be5fc74402f6765f32d3b3926c200ab71f8ed0dd9dee3dc659

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9258be32092963cb9b582ad98fc1ae3b4de5da1a63c271de1c51e52066e0e57d",
    "cross_cats_sorted": [
      "cs.GT",
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2014-10-06T10:45:44Z",
    "title_canon_sha256": "81098fb0b6624bfaf449632afca3653284336e9b79645c49e45125b6f3c8ca8c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.1314",
    "kind": "arxiv",
    "version": 4
  }
}