Pith Number

pith:PXBXVU4B

pith:1995:PXBXVU4BCUS55RPWJVSKKPGIIO

not attested not anchored not stored refs pending

L-infinity algebras and their cohomology

Michael Penkava

arxiv:q-alg/9512014 v1 · 1995-12-12 · q-alg · 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{PXBXVU4BCUS55RPWJVSKKPGIIO}

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	2026-07-04T15:09:07.118327Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7dc37ad3811525dec5f64d64a53cc8439bc7aabf36db3b91f469b83454a0c257

Aliases

arxiv: q-alg/9512014 · arxiv_version: q-alg/9512014v1 · doi: 10.48550/arxiv.q-alg/9512014 · pith_short_12: PXBXVU4BCUS5 · pith_short_16: PXBXVU4BCUS55RPW · pith_short_8: PXBXVU4B

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/PXBXVU4BCUS55RPWJVSKKPGIIO \
  | 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: 7dc37ad3811525dec5f64d64a53cc8439bc7aabf36db3b91f469b83454a0c257

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "437a00e4fed88f1bfa33a56bde976df21789899edccfc088612e8ea511a63187",
    "cross_cats_sorted": [
      "math.QA"
    ],
    "license": "",
    "primary_cat": "q-alg",
    "submitted_at": "1995-12-12T20:39:15Z",
    "title_canon_sha256": "9f6364a197997b88c4a0488a6860a72fc76e7799dce41788214889e79db738fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "q-alg/9512014",
    "kind": "arxiv",
    "version": 1
  }
}