Pith Number

pith:XIAFUIEI

pith:2013:XIAFUIEINZQMDHVYOKYWQX7XWM

not attested not anchored not stored refs pending

From extortion to generosity, the evolution of zero-determinant strategies in the prisoner's dilemma

Alexander J. Stewart, Joshua B. Plotkin

arxiv:1304.7205 v3 · 2013-04-26 · q-bio.PE · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XIAFUIEINZQMDHVYOKYWQX7XWM}

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	2026-05-18T03:03:54.810379Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba005a20886e60c19eb872b1685ff7b30ebf70df1c70acfb774739d1767180ab

Aliases

arxiv: 1304.7205 · arxiv_version: 1304.7205v3 · doi: 10.48550/arxiv.1304.7205 · pith_short_12: XIAFUIEINZQM · pith_short_16: XIAFUIEINZQMDHVY · pith_short_8: XIAFUIEI

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/XIAFUIEINZQMDHVYOKYWQX7XWM \
  | 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: ba005a20886e60c19eb872b1685ff7b30ebf70df1c70acfb774739d1767180ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf5e60c7a5001040a05e968b979c02de29cb065b82b29deb6341afa6ada81150",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2013-04-26T15:37:49Z",
    "title_canon_sha256": "d42b60fecb506f6861f386f20cc3455765fe0d49da13c3438111851f86455e84"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.7205",
    "kind": "arxiv",
    "version": 3
  }
}