Pith Number

pith:CKH244W5

pith:2012:CKH244W5PEFNCXZHUBRVOOZNJZ

not attested not anchored not stored refs pending

The centre of generic algebras of small PI algebras

Plamen Koshlukov, Thiago Castilho de Mello

arxiv:1208.1317 v2 · 2012-08-07 · 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{CKH244W5PEFNCXZHUBRVOOZNJZ}

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	2026-05-18T03:07:42.505154Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

128fae72dd790ad15f27a063573b2d4e4ac83a813e063dedc6dcbaffd4a173b4

Aliases

arxiv: 1208.1317 · arxiv_version: 1208.1317v2 · doi: 10.48550/arxiv.1208.1317 · pith_short_12: CKH244W5PEFN · pith_short_16: CKH244W5PEFNCXZH · pith_short_8: CKH244W5

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/CKH244W5PEFNCXZHUBRVOOZNJZ \
  | 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: 128fae72dd790ad15f27a063573b2d4e4ac83a813e063dedc6dcbaffd4a173b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "242b93bf895127f4d5769bf27dbf3644cf1672a4f15c1b8c18575623933c6c27",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2012-08-07T01:33:16Z",
    "title_canon_sha256": "5bece0a139029dac967b5f870a5ce83a2bf76f525cc50ebc91a62d35c2b947b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.1317",
    "kind": "arxiv",
    "version": 2
  }
}