Pith Number

pith:BHC4ZH5A

pith:2014:BHC4ZH5ANGD4UEET5JCAS7DYVP

not attested not anchored not stored refs pending

Orders of Nikshych's Hopf algebra

Ehud Meir, Juan Cuadra

arxiv:1405.2977 v3 · 2014-05-12 · 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{BHC4ZH5ANGD4UEET5JCAS7DYVP}

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	2026-05-18T00:21:05.464085Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

09c5cc9fa06987ca1093ea44097c78abe76f10ff2002ad8e18a9d7437761a66d

Aliases

arxiv: 1405.2977 · arxiv_version: 1405.2977v3 · doi: 10.48550/arxiv.1405.2977 · pith_short_12: BHC4ZH5ANGD4 · pith_short_16: BHC4ZH5ANGD4UEET · pith_short_8: BHC4ZH5A

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/BHC4ZH5ANGD4UEET5JCAS7DYVP \
  | 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: 09c5cc9fa06987ca1093ea44097c78abe76f10ff2002ad8e18a9d7437761a66d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "44fece1518710fb5fd03dceef974ae6b9f68f71d38a64e0f28a1c4667a4031d4",
    "cross_cats_sorted": [
      "math.RA",
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.QA",
    "submitted_at": "2014-05-12T21:53:39Z",
    "title_canon_sha256": "a993d9e542ef4b681c280443ec6c61ef98477e4d2d8994376414a1119ea911d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.2977",
    "kind": "arxiv",
    "version": 3
  }
}