Pith Number

pith:QJD6AWEL

pith:1997:QJD6AWELQ5O6NOOCNXGEA7SXZG

not attested not anchored not stored refs pending

Alg\`ebre homologique des N-complexes et homologie de Hochschild aux racines de l'unit\'e

Christian Kassel, Marc Wambst

arxiv:q-alg/9705001 v1 · 1997-05-02 · 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{QJD6AWELQ5O6NOOCNXGEA7SXZG}

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	2026-05-18T03:10:34.729430Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8247e0588b875de6b9c26dcc407e57c9b4bbe1b7b24a7e5e4f321f51b24a365a

Aliases

arxiv: q-alg/9705001 · arxiv_version: q-alg/9705001v1 · doi: 10.48550/arxiv.q-alg/9705001 · pith_short_12: QJD6AWELQ5O6 · pith_short_16: QJD6AWELQ5O6NOOC · pith_short_8: QJD6AWEL

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/QJD6AWELQ5O6NOOCNXGEA7SXZG \
  | 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: 8247e0588b875de6b9c26dcc407e57c9b4bbe1b7b24a7e5e4f321f51b24a365a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0bca9cb74fba48f4579b3a1bfed6595c755ad02b813a7340ecbe7d888b7faa20",
    "cross_cats_sorted": [
      "math.QA"
    ],
    "license": "",
    "primary_cat": "q-alg",
    "submitted_at": "1997-05-02T11:40:27Z",
    "title_canon_sha256": "104dd729ddecb792212c322a1c359f416fa7434c086150b66dc51143c0ca8ba1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "q-alg/9705001",
    "kind": "arxiv",
    "version": 1
  }
}