Pith Number

pith:BQOBSF4B

pith:2019:BQOBSF4BSEUWLJXWLKDC65E76K

not attested not anchored not stored refs pending

The Gerstenhaber bracket and cycles in the module category of a monomial quadratic algebra

Juan Carlos Bustamante, Patrick LeMeur

arxiv:1908.08851 v1 · 2019-08-23 · math.RT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BQOBSF4BSEUWLJXWLKDC65E76K}

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	2026-07-04T23:59:24.569063Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c1c191781912965a6f65a862f749ff2a745db1d985107ecb4f811b0b06fb43c

Aliases

arxiv: 1908.08851 · arxiv_version: 1908.08851v1 · doi: 10.48550/arxiv.1908.08851 · pith_short_12: BQOBSF4BSEUW · pith_short_16: BQOBSF4BSEUWLJXW · pith_short_8: BQOBSF4B

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/BQOBSF4BSEUWLJXWLKDC65E76K \
  | 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: 0c1c191781912965a6f65a862f749ff2a745db1d985107ecb4f811b0b06fb43c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e0de9907277708b9eadff1ab09269eed458d5add73f166bceb14993dda263f2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RT",
    "submitted_at": "2019-08-23T14:51:54Z",
    "title_canon_sha256": "52ead9f2498607e9e21cb9f2327285f62c0b7fcbe5c1ac542363c585d771c69a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.08851",
    "kind": "arxiv",
    "version": 1
  }
}