Pith Number

pith:BQ2DART5

pith:2007:BQ2DART5M2EUZQFZO2FLVGITRL

not attested not anchored not stored refs pending

On the (3,N) Maurer-Cartan equation

Jaime Camacaro, Mauricio Angel, Rafael Diaz

arxiv:0704.0824 v3 · 2007-04-06 · 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{BQ2DART5M2EUZQFZO2FLVGITRL}

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	2026-05-18T02:16:37.620194Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c3430467d66894cc0b9768aba99138aec43d05b9698f990c2eee288f849f5bb

Aliases

arxiv: 0704.0824 · arxiv_version: 0704.0824v3 · doi: 10.48550/arxiv.0704.0824 · pith_short_12: BQ2DART5M2EU · pith_short_16: BQ2DART5M2EUZQFZ · pith_short_8: BQ2DART5

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/BQ2DART5M2EUZQFZO2FLVGITRL \
  | 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: 0c3430467d66894cc0b9768aba99138aec43d05b9698f990c2eee288f849f5bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "483ab71be19eb1de423021b39150cb8aea4a222546021098c5363466996068c7",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.QA",
    "submitted_at": "2007-04-06T01:04:43Z",
    "title_canon_sha256": "35e6e81a9f1f9e367d1c2d7365cf7742f62ab53606eb4ed8cf05dbcca42e795b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0704.0824",
    "kind": "arxiv",
    "version": 3
  }
}