Pith Number

pith:BIT6OQOY

pith:2013:BIT6OQOYFA6REN7PQQPHKPQJVM

not attested not anchored not stored refs pending

Bounding the Inefficiency of Altruism Through Social Contribution Games

Guido Sch\"afer, Mona Rahn

arxiv:1308.2497 v1 · 2013-08-12 · 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{BIT6OQOYFA6REN7PQQPHKPQJVM}

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	2026-05-18T03:16:07.212244Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a27e741d8283d1237ef841e753e09ab09516ed4b9b4daf139361508e9e44c27

Aliases

arxiv: 1308.2497 · arxiv_version: 1308.2497v1 · doi: 10.48550/arxiv.1308.2497 · pith_short_12: BIT6OQOYFA6R · pith_short_16: BIT6OQOYFA6REN7P · pith_short_8: BIT6OQOY

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/BIT6OQOYFA6REN7PQQPHKPQJVM \
  | 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: 0a27e741d8283d1237ef841e753e09ab09516ed4b9b4daf139361508e9e44c27

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb17913a85319768de199db9b4463eee0e0ec76dc70297e0b4e2e27d7d9f1394",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GT",
    "submitted_at": "2013-08-12T09:13:07Z",
    "title_canon_sha256": "899995b89fca0716cb1e1471d75eb34162a962799ad112dd2d4ee83446b6e7d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.2497",
    "kind": "arxiv",
    "version": 1
  }
}