Pith Number

pith:PG3TMCPB

pith:2014:PG3TMCPBTAZNQOF4RZEZ2GGCIV

not attested not anchored not stored refs pending

Altruism in groups: an evolutionary games approach

Eitan Altman, Ilaria Brunetti, Rachid El-Azouzi

arxiv:1409.7288 v2 · 2014-09-25 · cs.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PG3TMCPBTAZNQOF4RZEZ2GGCIV}

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	2026-05-18T02:41:52.802567Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79b73609e19832d838bc8e499d18c2455a8ea8ec52fc679fcbf4fe2db0fd03d8

Aliases

arxiv: 1409.7288 · arxiv_version: 1409.7288v2 · doi: 10.48550/arxiv.1409.7288 · pith_short_12: PG3TMCPBTAZN · pith_short_16: PG3TMCPBTAZNQOF4 · pith_short_8: PG3TMCPB

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/PG3TMCPBTAZNQOF4RZEZ2GGCIV \
  | 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: 79b73609e19832d838bc8e499d18c2455a8ea8ec52fc679fcbf4fe2db0fd03d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "889c9b59f7cb325a4edcf46ec7cf60613a489b64f9def2e5cff4919b9736f814",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GT",
    "submitted_at": "2014-09-25T15:19:47Z",
    "title_canon_sha256": "f1e17fef66b88f6afe20310dae7cb5688ca1e8b8fa50ca254bc0b569b6b1ced1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.7288",
    "kind": "arxiv",
    "version": 2
  }
}