Pith Number

pith:WFD7AAQH

pith:2014:WFD7AAQHVSPSBZ5X3RFR3EVRUH

not attested not anchored not stored refs pending

Nakayama automorphisms of double Ore extensions of Koszul regular algebras

Can Zhu, Fred van Oystaeyen, Yinhuo Zhang

arxiv:1401.0330 v3 · 2014-01-01 · 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{WFD7AAQHVSPSBZ5X3RFR3EVRUH}

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	2026-05-18T01:12:36.647176Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b147f00207ac9f20e7b7dc4b1d92b1a1c4e9fd9ff9d6e0a8a7f51c08d9f2520f

Aliases

arxiv: 1401.0330 · arxiv_version: 1401.0330v3 · doi: 10.48550/arxiv.1401.0330 · pith_short_12: WFD7AAQHVSPS · pith_short_16: WFD7AAQHVSPSBZ5X · pith_short_8: WFD7AAQH

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/WFD7AAQHVSPSBZ5X3RFR3EVRUH \
  | 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: b147f00207ac9f20e7b7dc4b1d92b1a1c4e9fd9ff9d6e0a8a7f51c08d9f2520f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "298d2000a1c1fded49f3cf1a77844f9541cd1c542bc53f5025a540921ed5ef7f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2014-01-01T20:58:40Z",
    "title_canon_sha256": "8382995d9d38ca11275d53de60360a871171ac98ee95e79e5f88aba91c567ba0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.0330",
    "kind": "arxiv",
    "version": 3
  }
}