Pith Number

pith:S67O75AZ

pith:2014:S67O75AZ5XNYTXBEUUH77IWTJ7

not attested not anchored not stored refs pending

Simple twisted group algebras of dimension $p^4$ and their semi-centers

Ofir Schnabel

arxiv:1412.2490 v4 · 2014-12-08 · math.RA · 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{S67O75AZ5XNYTXBEUUH77IWTJ7}

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	2026-05-18T01:22:08.343180Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

97beeff419eddb89dc24a50fffa2d34fc3581f91ef4db8d3126f637b3475dd71

Aliases

arxiv: 1412.2490 · arxiv_version: 1412.2490v4 · doi: 10.48550/arxiv.1412.2490 · pith_short_12: S67O75AZ5XNY · pith_short_16: S67O75AZ5XNYTXBE · pith_short_8: S67O75AZ

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/S67O75AZ5XNYTXBEUUH77IWTJ7 \
  | 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: 97beeff419eddb89dc24a50fffa2d34fc3581f91ef4db8d3126f637b3475dd71

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e942fcf857338d6b6b97b4f9d7f62cadee4c9111b6736eee596c8996b94408be",
    "cross_cats_sorted": [
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2014-12-08T09:23:23Z",
    "title_canon_sha256": "7b57ebb46fb14a4dcd8c55ce9f1491e107a8516b7417465f47059579d68ed013"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.2490",
    "kind": "arxiv",
    "version": 4
  }
}