Pith Number

pith:NB24WFIX

pith:2013:NB24WFIXXIB4VM4OZZ2ERADU7L

not attested not anchored not stored refs pending

On classification of quantum groups and Belavin-Drinfeld twisted cohomologies

Alexander Stolin, Iulia Pop

arxiv:1309.7133 v4 · 2013-09-27 · 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{NB24WFIXXIB4VM4OZZ2ERADU7L}

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	2026-05-18T02:27:58.875520Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6875cb1517ba03cab38ece74488074faeea138b07bed905546afa697e70632fa

Aliases

arxiv: 1309.7133 · arxiv_version: 1309.7133v4 · doi: 10.48550/arxiv.1309.7133 · pith_short_12: NB24WFIXXIB4 · pith_short_16: NB24WFIXXIB4VM4O · pith_short_8: NB24WFIX

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/NB24WFIXXIB4VM4OZZ2ERADU7L \
  | 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: 6875cb1517ba03cab38ece74488074faeea138b07bed905546afa697e70632fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a8d7112aa9dcebbb1a8d80863470999b881b373ad9e9782541027e225cbaaeaa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.QA",
    "submitted_at": "2013-09-27T07:11:02Z",
    "title_canon_sha256": "6562ba93b90ff8821f74f96eb2fcc62401043075af7249cd5e5d0022c6672db3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.7133",
    "kind": "arxiv",
    "version": 4
  }
}