Pith Number

pith:QMQB5TZE

pith:2018:QMQB5TZEBLLLYDEYCSINNRKLHX

not attested not anchored not stored refs pending

Identities and isomorphisms of finite-dimensional graded simple algebras

Angelo Bianchi, Diogo Diniz

arxiv:1804.01589 v3 · 2018-04-04 · 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{QMQB5TZEBLLLYDEYCSINNRKLHX}

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	2026-05-17T23:46:30.693084Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83201ecf240ad6bc0c981490d6c54b3dea56fee172fe22a3b53e1fdd5bbe14ce

Aliases

arxiv: 1804.01589 · arxiv_version: 1804.01589v3 · doi: 10.48550/arxiv.1804.01589 · pith_short_12: QMQB5TZEBLLL · pith_short_16: QMQB5TZEBLLLYDEY · pith_short_8: QMQB5TZE

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/QMQB5TZEBLLLYDEYCSINNRKLHX \
  | 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: 83201ecf240ad6bc0c981490d6c54b3dea56fee172fe22a3b53e1fdd5bbe14ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e24608508b5ad7f1a53416a9a105959b9e6bea20e0a2eb818ef9e6ba5be7555",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2018-04-04T19:55:17Z",
    "title_canon_sha256": "a20afcdd8ac1c8c72bdd50978432517e4041aafb0f7f3594f8e8b67b905aea43"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.01589",
    "kind": "arxiv",
    "version": 3
  }
}