Pith Number

pith:FZDQYDLG

pith:2017:FZDQYDLG64HBBXNGNTT64GSPIE

not attested not anchored not stored refs pending

Invincible Strategies of Iterated Prisoner's Dilemma

Fangzhen Lin, Shiheng Wang

arxiv:1712.06488 v1 · 2017-12-18 · 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{FZDQYDLG64HBBXNGNTT64GSPIE}

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	2026-05-18T00:27:47.702135Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e470c0d66f70e10dda66ce7ee1a4f4129659053058beaa521c293d87da3aa11

Aliases

arxiv: 1712.06488 · arxiv_version: 1712.06488v1 · doi: 10.48550/arxiv.1712.06488 · pith_short_12: FZDQYDLG64HB · pith_short_16: FZDQYDLG64HBBXNG · pith_short_8: FZDQYDLG

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/FZDQYDLG64HBBXNGNTT64GSPIE \
  | 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: 2e470c0d66f70e10dda66ce7ee1a4f4129659053058beaa521c293d87da3aa11

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e0468b4bc6fa43e91076e9b738dd5cac886badeff60b1e63acd23aec40cfcb9c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GT",
    "submitted_at": "2017-12-18T16:04:31Z",
    "title_canon_sha256": "95d996c6647380c93c993d45b27dd1a00c8cebb61bc90bea5a3367dc0626d69c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.06488",
    "kind": "arxiv",
    "version": 1
  }
}