Pith Number

pith:BDOMVJGW

pith:2019:BDOMVJGW52ZXPH65Z6V2SMQRIT

not attested not anchored not stored refs pending

Recognising and evaluating the effectiveness of extortion in the Iterated Prisoner's Dilemma

Jonathan Gillard, Marc Harper, Nikoleta E. Glynatsi, Vincent A. Knight

arxiv:1904.00973 v1 · 2019-04-01 · 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{BDOMVJGW52ZXPH65Z6V2SMQRIT}

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	2026-05-17T23:49:44.733379Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

08dccaa4d6eeb3779fddcfaba9321144ca7f91ec61a7d21cbda9797dd1ed1088

Aliases

arxiv: 1904.00973 · arxiv_version: 1904.00973v1 · doi: 10.48550/arxiv.1904.00973 · pith_short_12: BDOMVJGW52ZX · pith_short_16: BDOMVJGW52ZXPH65 · pith_short_8: BDOMVJGW

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/BDOMVJGW52ZXPH65Z6V2SMQRIT \
  | 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: 08dccaa4d6eeb3779fddcfaba9321144ca7f91ec61a7d21cbda9797dd1ed1088

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d5c90655f9ecde43f6e4ea589441888a0c237e2104446c1faeb0f9d79b23b80",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GT",
    "submitted_at": "2019-04-01T17:24:48Z",
    "title_canon_sha256": "0d5b38f0032f74875ef9bc752c71dc5c6294f9c54ef6a2d26a978cfbb3aeab3d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.00973",
    "kind": "arxiv",
    "version": 1
  }
}