Pith Number

pith:D6IFJHUP

pith:2015:D6IFJHUPPGS7ZQHA3JMUVLIJVV

not attested not anchored not stored refs pending

On classification of finite-dimensional semisimple Hopf algebras

Leonid Krop

arxiv:1503.06198 v1 · 2015-03-20 · 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{D6IFJHUPPGS7ZQHA3JMUVLIJVV}

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	2026-05-18T02:20:48.331403Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f90549e8f79a5fcc0e0da594aad09ad4daddcdae561eb13d86f617393b5aec4

Aliases

arxiv: 1503.06198 · arxiv_version: 1503.06198v1 · doi: 10.48550/arxiv.1503.06198 · pith_short_12: D6IFJHUPPGS7 · pith_short_16: D6IFJHUPPGS7ZQHA · pith_short_8: D6IFJHUP

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/D6IFJHUPPGS7ZQHA3JMUVLIJVV \
  | 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: 1f90549e8f79a5fcc0e0da594aad09ad4daddcdae561eb13d86f617393b5aec4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2433491822f9a89d1b26afcfa2ec6bd39f8c67450609e7c54725a70742638726",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2015-03-20T19:24:16Z",
    "title_canon_sha256": "a6b499343e4ea0e6f73db35198399829b94cbc8be02b3b383657865515fa5d3f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.06198",
    "kind": "arxiv",
    "version": 1
  }
}