Pith Number

pith:UBYENGLG

pith:2019:UBYENGLGLW3JZ2WKYQLUIG43D3

not attested not anchored not stored refs pending

The classification of the trivial source modules in blocks with cyclic defect groups

Caroline Lassueur, Gerhard Hiss

arxiv:1908.07833 v2 · 2019-08-21 · math.RT · math.GR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UBYENGLGLW3JZ2WKYQLUIG43D3}

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	2026-07-05T00:53:07.271714Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0704699665db69ceacac417441b9b1efa8d7e33adb5addb84eb8fd13153972d

Aliases

arxiv: 1908.07833 · arxiv_version: 1908.07833v2 · doi: 10.48550/arxiv.1908.07833 · pith_short_12: UBYENGLGLW3J · pith_short_16: UBYENGLGLW3JZ2WK · pith_short_8: UBYENGLG

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/UBYENGLGLW3JZ2WKYQLUIG43D3 \
  | 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: a0704699665db69ceacac417441b9b1efa8d7e33adb5addb84eb8fd13153972d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5702e4ebae18eb1a5eedbb5f76ad12d61be41e3ef5ee19b3f0384617714858c2",
    "cross_cats_sorted": [
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RT",
    "submitted_at": "2019-08-21T12:52:45Z",
    "title_canon_sha256": "dd9b72118720b2a7fc78f6c428ed8fc17528bea5e2308d0d4a58fddb4da5823f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.07833",
    "kind": "arxiv",
    "version": 2
  }
}