Pith Number

pith:2QFPIYBI

pith:2018:2QFPIYBI3H22U4MVQHXS3KIMVY

not attested not anchored not stored refs pending

Noncommutative Kn\"{o}rrer periodicity and noncommutative Kleinian singularities

Andrew Conner, Chelsea Walton, Ellen Kirkman, W. Frank Moore

arxiv:1809.06524 v3 · 2018-09-18 · math.RA · 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{2QFPIYBI3H22U4MVQHXS3KIMVY}

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	2026-05-17T23:40:34.425979Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d40af46028d9f5aa719581ef2da90cae1ee61a47b7b908b07ae29c0934eff7c3

Aliases

arxiv: 1809.06524 · arxiv_version: 1809.06524v3 · doi: 10.48550/arxiv.1809.06524 · pith_short_12: 2QFPIYBI3H22 · pith_short_16: 2QFPIYBI3H22U4MV · pith_short_8: 2QFPIYBI

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/2QFPIYBI3H22U4MVQHXS3KIMVY \
  | 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: d40af46028d9f5aa719581ef2da90cae1ee61a47b7b908b07ae29c0934eff7c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d54e57942c80f04f93f451c1a3b9662c021b51ebc8c66d5f96785173e444be1",
    "cross_cats_sorted": [
      "math.QA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2018-09-18T04:19:17Z",
    "title_canon_sha256": "9b7062c3138dc770d5c04b788ce5d4e575e4f0a9bbe2bbd9628aa6ee6181c4ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.06524",
    "kind": "arxiv",
    "version": 3
  }
}