Pith Number

pith:5NQXEPBO

pith:2014:5NQXEPBO43IGMXYH6VNW7NXEHS

not attested not anchored not stored refs pending

On idempotents and the number of simple components of semisimple group algebra

Gabriela Olteanu, Inneke Van Gelder

arxiv:1411.5929 v1 · 2014-11-21 · 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{5NQXEPBO43IGMXYH6VNW7NXEHS}

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	2026-05-18T02:33:01.897017Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb61723c2ee6d0665f07f55b6fb6e43cb41afffb6a519144be62113955853dfd

Aliases

arxiv: 1411.5929 · arxiv_version: 1411.5929v1 · doi: 10.48550/arxiv.1411.5929 · pith_short_12: 5NQXEPBO43IG · pith_short_16: 5NQXEPBO43IGMXYH · pith_short_8: 5NQXEPBO

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/5NQXEPBO43IGMXYH6VNW7NXEHS \
  | 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: eb61723c2ee6d0665f07f55b6fb6e43cb41afffb6a519144be62113955853dfd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f26bb34bde6f9e850942d8a98d4388ae81dad6c4a7e1f7ea6fdd09abbbb5bd8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RT",
    "submitted_at": "2014-11-21T16:01:05Z",
    "title_canon_sha256": "a55759141d835239c84d27a1e6680921c2f9315cc10c1a9f3c7ff129065a2569"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.5929",
    "kind": "arxiv",
    "version": 1
  }
}