Pith Number

pith:ODLUPMCW

pith:2024:ODLUPMCWL6CWPYCCCMPUPZ4QCR

not attested not anchored not stored refs pending

Formal Verification of the Empty Hexagon Number

Bernardo Subercaseaux, Cayden Codel, James Gallicchio, Marijn J. H. Heule, Mario Carneiro, Wojciech Nawrocki

arxiv:2403.17370 v1 · 2024-03-26 · cs.CG · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ODLUPMCWL6CWPYCCCMPUPZ4QCR}

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.

Cited by

1 paper in Pith

Combinatorial Geometry of Erd\H{o}s--Szekeres Type Problems: SAT/ASP Modeling and Linear Subreduction

Receipt and verification

First computed	2026-07-05T08:00:49.691040Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

70d747b0565f8567e042131f47e790144107aa2a68aa1f6265f814e93634ab46

Aliases

arxiv: 2403.17370 · arxiv_version: 2403.17370v1 · doi: 10.48550/arxiv.2403.17370 · pith_short_12: ODLUPMCWL6CW · pith_short_16: ODLUPMCWL6CWPYCC · pith_short_8: ODLUPMCW

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/ODLUPMCWL6CWPYCCCMPUPZ4QCR \
  | 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: 70d747b0565f8567e042131f47e790144107aa2a68aa1f6265f814e93634ab46

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "984d8a74688aa3b18d09cd01028647b958fae229f5090ccb0268f4164499667e",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2024-03-26T04:09:35Z",
    "title_canon_sha256": "b92ffa5a324cb1f04c90d90fd33c32a5ef69523f4bb91ea6836e2c6540e1333d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2403.17370",
    "kind": "arxiv",
    "version": 1
  }
}