Pith Number

pith:YUP2ALHO

pith:2010:YUP2ALHO5XMV6WH77AKP6HUUCP

not attested not anchored not stored refs pending

Normal Hopf subalgebras of semisimple Drinfeld doubles

Sebastian Burciu

arxiv:1005.2892 v4 · 2010-05-17 · math.QA · math.RA · 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{YUP2ALHO5XMV6WH77AKP6HUUCP}

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	2026-05-18T03:35:02.483978Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c51fa02ceeedd95f58fff814ff1e9413c07b8dea82207930f4f5631b28da3113

Aliases

arxiv: 1005.2892 · arxiv_version: 1005.2892v4 · doi: 10.48550/arxiv.1005.2892 · pith_short_12: YUP2ALHO5XMV · pith_short_16: YUP2ALHO5XMV6WH7 · pith_short_8: YUP2ALHO

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/YUP2ALHO5XMV6WH77AKP6HUUCP \
  | 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: c51fa02ceeedd95f58fff814ff1e9413c07b8dea82207930f4f5631b28da3113

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "437e92e7aacf483eb5ed7ac8acf6c13974de49dff1ec38ba634fada51855f7fa",
    "cross_cats_sorted": [
      "math.RA",
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.QA",
    "submitted_at": "2010-05-17T11:43:27Z",
    "title_canon_sha256": "c71ff8ffd74e65b145b80958897a8727233058c9334cc235387d9eb4448ed1bd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.2892",
    "kind": "arxiv",
    "version": 4
  }
}