pith. sign in
Pith Number

pith:FCLIR5QV

pith:2013:FCLIR5QVJ7RZXGVQZSEY2HTUNO
not attested not anchored not stored refs pending

Deformations of Koszul Artin-Schelter Gorenstein algebras

Fred van Oystaeyen, Ji-Wei He, Yinhuo Zhang

arxiv:1302.0390 v1 · 2013-02-02 · math.RA

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{FCLIR5QVJ7RZXGVQZSEY2HTUNO}

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 2026-05-18T03:34:37.253777Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

289688f6154fe39b9ab0cc898d1e746b86acb860c0342f652fdd6111213c0456

Aliases

arxiv: 1302.0390 · arxiv_version: 1302.0390v1 · doi: 10.48550/arxiv.1302.0390 · pith_short_12: FCLIR5QVJ7RZ · pith_short_16: FCLIR5QVJ7RZXGVQ · pith_short_8: FCLIR5QV
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/FCLIR5QVJ7RZXGVQZSEY2HTUNO \
  | 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: 289688f6154fe39b9ab0cc898d1e746b86acb860c0342f652fdd6111213c0456
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "5629b975ba09b1c04cffa7bb67889ccbce045c9df7043113858d972cad3d8b2d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2013-02-02T15:42:48Z",
    "title_canon_sha256": "d766759ca4050be51f4bea57ae3a93210ca16e007908c6313fc81bd7c41a010f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.0390",
    "kind": "arxiv",
    "version": 1
  }
}