Pith Number

pith:IFVVC2PI

pith:2016:IFVVC2PIGLHW32AYZWA5C5YF4D

not attested not anchored not stored refs pending

Games for Topological Fixpoint Logic

Clemens Kupke (University of Strathclyde), Nick Bezhanishvili (ILLC, University of Amsterdam)

arxiv:1609.04088 v1 · 2016-09-14 · cs.LO · 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{IFVVC2PIGLHW32AYZWA5C5YF4D}

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	2026-05-18T01:04:40.679885Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

416b5169e832cf6de818cd81d17705e0c96f4f7efc413f6870d636368d97bc2d

Aliases

arxiv: 1609.04088 · arxiv_version: 1609.04088v1 · doi: 10.48550/arxiv.1609.04088 · pith_short_12: IFVVC2PIGLHW · pith_short_16: IFVVC2PIGLHW32AY · pith_short_8: IFVVC2PI

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/IFVVC2PIGLHW32AYZWA5C5YF4D \
  | 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: 416b5169e832cf6de818cd81d17705e0c96f4f7efc413f6870d636368d97bc2d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b2ad4bf97a070c046c4c9ebc968ab342c01648a204f4eee3c31675567e631199",
    "cross_cats_sorted": [
      "cs.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2016-09-14T00:58:01Z",
    "title_canon_sha256": "c3b937e3387e2c32a39b02aa2d4e73ff18fdd2fd34644e0bd657b6c0bf9f7007"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.04088",
    "kind": "arxiv",
    "version": 1
  }
}