Pith Number

pith:3G4RM4O2

pith:2017:3G4RM4O2BSFYNXSX6JVT7ILI5Z

not attested not anchored not stored refs pending

Nakayama automorphism of quasi-commutative skew PBW extensions over AS-regular algebras

Armando Reyes, H\'ector Su\'arez, Oswaldo Lezama

arxiv:1711.11447 v1 · 2017-11-29 · math.QA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3G4RM4O2BSFYNXSX6JVT7ILI5Z}

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	2026-05-18T00:29:11.572818Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d9b91671da0c8b86de57f26b3fa168ee76f44e7916ad4cdb2fa063f699e15d93

Aliases

arxiv: 1711.11447 · arxiv_version: 1711.11447v1 · doi: 10.48550/arxiv.1711.11447 · pith_short_12: 3G4RM4O2BSFY · pith_short_16: 3G4RM4O2BSFYNXSX · pith_short_8: 3G4RM4O2

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/3G4RM4O2BSFYNXSX6JVT7ILI5Z \
  | 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: d9b91671da0c8b86de57f26b3fa168ee76f44e7916ad4cdb2fa063f699e15d93

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "942107a2243f1f46fd32b513acdf35d286e4d882922ee37061f294f9ab5db583",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.QA",
    "submitted_at": "2017-11-29T11:48:43Z",
    "title_canon_sha256": "a65a0c23c191a365ae6052ee408bc94fc85156253af85d1e50c548b3dc502806"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.11447",
    "kind": "arxiv",
    "version": 1
  }
}