Pith Number

pith:QHVIL2D6

pith:2025:QHVIL2D6PB4VGEOV4MAQHMXZIU

not attested not anchored not stored refs pending

Is Crane--Yetter fully extended?

Luuk Stehouwer

arxiv:2506.04864 v1 · 2025-06-05 · math-ph · math.AT · math.CT · math.MP · math.QA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QHVIL2D6PB4VGEOV4MAQHMXZIU}

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	2026-07-05T11:16:38.172703Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81ea85e87e78795311d5e30103b2f94537790ebc044c3ada0cf90bec5070b24e

Aliases

arxiv: 2506.04864 · arxiv_version: 2506.04864v1 · doi: 10.48550/arxiv.2506.04864 · pith_short_12: QHVIL2D6PB4V · pith_short_16: QHVIL2D6PB4VGEOV · pith_short_8: QHVIL2D6

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/QHVIL2D6PB4VGEOV4MAQHMXZIU \
  | 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: 81ea85e87e78795311d5e30103b2f94537790ebc044c3ada0cf90bec5070b24e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "28f4da3791aa8841ecc8ad341f2dc1c66f5fd92ebbb97d5882dffb09bcedd2d9",
    "cross_cats_sorted": [
      "math.AT",
      "math.CT",
      "math.MP",
      "math.QA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2025-06-05T10:34:09Z",
    "title_canon_sha256": "5c3a051887f3eabf82e35cff1906ac0cdd55a327793c240f93ddf85df4d04cfd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.04864",
    "kind": "arxiv",
    "version": 1
  }
}