Pith Number

pith:FK4T7B3A

pith:2025:FK4T7B3AKPFWJSIOOVYGCABEXG

not attested not anchored not stored refs pending

Derivations and Hochschild cohomology of quantum nilpotent algebras

Isaac Oppong, Samuel A. Lopes, St\'ephane Launois

arxiv:2505.06205 v1 · 2025-05-09 · math.QA · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FK4T7B3AKPFWJSIOOVYGCABEXG}

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	2026-07-05T11:00:55.977668Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ab93f876053cb64c90e7570610024b9a1978805494a6dfe1eb0ba6907c6b938

Aliases

arxiv: 2505.06205 · arxiv_version: 2505.06205v1 · doi: 10.48550/arxiv.2505.06205 · pith_short_12: FK4T7B3AKPFW · pith_short_16: FK4T7B3AKPFWJSIO · pith_short_8: FK4T7B3A

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/FK4T7B3AKPFWJSIOOVYGCABEXG \
  | 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: 2ab93f876053cb64c90e7570610024b9a1978805494a6dfe1eb0ba6907c6b938

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ddf7e4559873e33f38790e146fa6feb095924be0740a6f05c493e4f09ad287f1",
    "cross_cats_sorted": [
      "math.RA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.QA",
    "submitted_at": "2025-05-09T17:31:44Z",
    "title_canon_sha256": "60d39ecb94a8362bfa0f57263f0fb47ec6494da353f759b223cf97281eccdc96"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.06205",
    "kind": "arxiv",
    "version": 1
  }
}