Pith Number

pith:I7EJ4FZN

pith:2018:I7EJ4FZNHG3OP7X3GVHQO4HPHJ

not attested not anchored not stored refs pending

On finite GK-dimensional Nichols algebras of diagonal type

Istv\'an Heckenberger, Iv\'an Angiono, Nicol\'as Andruskiewitsch

arxiv:1803.08804 v1 · 2018-03-23 · 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{I7EJ4FZNHG3OP7X3GVHQO4HPHJ}

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	2026-05-18T00:20:18.503471Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47c89e172d39b6e7fefb354f0770ef3a43c0496aa94596bcbe5ed8713f954076

Aliases

arxiv: 1803.08804 · arxiv_version: 1803.08804v1 · doi: 10.48550/arxiv.1803.08804 · pith_short_12: I7EJ4FZNHG3O · pith_short_16: I7EJ4FZNHG3OP7X3 · pith_short_8: I7EJ4FZN

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/I7EJ4FZNHG3OP7X3GVHQO4HPHJ \
  | 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: 47c89e172d39b6e7fefb354f0770ef3a43c0496aa94596bcbe5ed8713f954076

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d135965e99d592fc72ff1547f04d5650aa6e5047d0f8ef28086e76856fd103cc",
    "cross_cats_sorted": [
      "math.RA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.QA",
    "submitted_at": "2018-03-23T14:15:33Z",
    "title_canon_sha256": "ad239e979dd27283a30c7655da5e3aaa8a4bf68c611386ac488e218f326d97af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.08804",
    "kind": "arxiv",
    "version": 1
  }
}