Pith Number

pith:QU4WOTHJ

pith:2014:QU4WOTHJJO44LEUJUBT7LM72XG

not attested not anchored not stored refs pending

Gerstenhaber brackets on Hochschild cohomology of quantum symmetric algebras and their group extensions

Guodong Zhou, Sarah Witherspoon

arxiv:1405.5465 v1 · 2014-05-21 · math.RT · 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{QU4WOTHJJO44LEUJUBT7LM72XG}

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	2026-05-18T01:12:08.804148Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8539674ce94bb9c59289a067f5b3fab99d4050d9ba4518d92c0b1c672c22469a

Aliases

arxiv: 1405.5465 · arxiv_version: 1405.5465v1 · doi: 10.48550/arxiv.1405.5465 · pith_short_12: QU4WOTHJJO44 · pith_short_16: QU4WOTHJJO44LEUJ · pith_short_8: QU4WOTHJ

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/QU4WOTHJJO44LEUJUBT7LM72XG \
  | 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: 8539674ce94bb9c59289a067f5b3fab99d4050d9ba4518d92c0b1c672c22469a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "791ca58f646c334f69f4f919930c62672159d9f2b7b0778aa67a5b028044b34b",
    "cross_cats_sorted": [
      "math.QA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RT",
    "submitted_at": "2014-05-21T16:22:36Z",
    "title_canon_sha256": "4b436aab250e9a2466036c8ad994ae47e8a429f3f098ced931ed009ed232da2f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.5465",
    "kind": "arxiv",
    "version": 1
  }
}