Pith Number

pith:SE2PTIFW

pith:2013:SE2PTIFWL56G4J4TLUDDYAGEI5

not attested not anchored not stored refs pending

Evolutionary Extortion and Mischief: Zero Determinant strategies in iterated 2x2 games

Lars Roemheld

arxiv:1308.2576 v1 · 2013-08-12 · cs.GT · q-bio.PE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SE2PTIFWL56G4J4TLUDDYAGEI5}

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	2026-05-18T03:16:07.034036Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9134f9a0b65f7c6e27935d063c00c4477e6ba8e9f1168645ba9e39e71dd5fbed

Aliases

arxiv: 1308.2576 · arxiv_version: 1308.2576v1 · doi: 10.48550/arxiv.1308.2576 · pith_short_12: SE2PTIFWL56G · pith_short_16: SE2PTIFWL56G4J4T · pith_short_8: SE2PTIFW

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/SE2PTIFWL56G4J4TLUDDYAGEI5 \
  | 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: 9134f9a0b65f7c6e27935d063c00c4477e6ba8e9f1168645ba9e39e71dd5fbed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e63f702e64fe36a8fab04342d239d05a2cd0de6829797c1dd018aff9b925d3af",
    "cross_cats_sorted": [
      "q-bio.PE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GT",
    "submitted_at": "2013-08-12T14:24:49Z",
    "title_canon_sha256": "b21ab53ff91dad11ce3bba4b44470b4e0b08ac12649e0d1bffd0de95f6411590"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.2576",
    "kind": "arxiv",
    "version": 1
  }
}