Pith Number

pith:J42W37MA

pith:2011:J42W37MAOVFWJ2APQSE4MZL4RR

not attested not anchored not stored refs pending

Regular algebras of dimension 4 with 3 generators

D. Rogalski, J. J. Zhang

arxiv:1101.1998 v2 · 2011-01-11 · 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{J42W37MAOVFWJ2APQSE4MZL4RR}

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	2026-05-18T04:31:43.316952Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f356dfd80754b64e80f8489c6657c8c512ee3d23c6526c013a9feafe1d85702

Aliases

arxiv: 1101.1998 · arxiv_version: 1101.1998v2 · doi: 10.48550/arxiv.1101.1998 · pith_short_12: J42W37MAOVFW · pith_short_16: J42W37MAOVFWJ2AP · pith_short_8: J42W37MA

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/J42W37MAOVFWJ2APQSE4MZL4RR \
  | 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: 4f356dfd80754b64e80f8489c6657c8c512ee3d23c6526c013a9feafe1d85702

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a760beea70ff6541d00463cb3097c541f2f8fb0c77ccb4102ccb28944dfd2468",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2011-01-11T00:50:26Z",
    "title_canon_sha256": "0ac4bbcc0c79d46dedef5c384de68b62bc827e0be8859cac2f6e22098e4cc84e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.1998",
    "kind": "arxiv",
    "version": 2
  }
}