Pith Number

pith:GOVLR562

pith:2018:GOVLR562TCNRCXCXA2BFW24QQR

not attested not anchored not stored refs pending

Cleft extensions of weak Hopf algebras

Christian Valqui, Jorge A. Guccione, Juan J. Guccione

arxiv:1811.02909 v3 · 2018-11-07 · 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{GOVLR562TCNRCXCXA2BFW24QQR}

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	2026-05-17T23:41:02.270818Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

33aab8f7da989b115c5706825b6b9084421e720e96a6569bce877f8508dd3563

Aliases

arxiv: 1811.02909 · arxiv_version: 1811.02909v3 · doi: 10.48550/arxiv.1811.02909 · pith_short_12: GOVLR562TCNR · pith_short_16: GOVLR562TCNRCXCX · pith_short_8: GOVLR562

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/GOVLR562TCNRCXCXA2BFW24QQR \
  | 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: 33aab8f7da989b115c5706825b6b9084421e720e96a6569bce877f8508dd3563

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d6c33aef9b28b541b2b2f4d51f6cbaea1d3f7b1c36d5867fe1f198043cd6639",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2018-11-07T14:43:42Z",
    "title_canon_sha256": "5739730d41de4cb6867697840280bb9c01eeba7ce7438e074e8a856c12c588ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.02909",
    "kind": "arxiv",
    "version": 3
  }
}