Pith Number

pith:KAI6FOOY

pith:2017:KAI6FOOYTMGBCP5TVZ5JDLUAKW

not attested not anchored not stored refs pending

Noncommutative Kn\"orrer type equivalences via noncommutative resolutions of singularities

Joseph Karmazyn, Martin Kalck

arxiv:1707.02836 v1 · 2017-07-10 · math.AG · math.AC · math.RT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KAI6FOOYTMGBCP5TVZ5JDLUAKW}

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	2026-05-18T00:40:35.673264Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5011e2b9d89b0c113fb3ae7a91ae8055a093320ab3935507246aba19dc7e72b3

Aliases

arxiv: 1707.02836 · arxiv_version: 1707.02836v1 · doi: 10.48550/arxiv.1707.02836 · pith_short_12: KAI6FOOYTMGB · pith_short_16: KAI6FOOYTMGBCP5T · pith_short_8: KAI6FOOY

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/KAI6FOOYTMGBCP5TVZ5JDLUAKW \
  | 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: 5011e2b9d89b0c113fb3ae7a91ae8055a093320ab3935507246aba19dc7e72b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1574f66424f72df5ed1fb28bc1d0567f35b427b4aa8e034b47d6972ba4004ea6",
    "cross_cats_sorted": [
      "math.AC",
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-07-10T13:12:10Z",
    "title_canon_sha256": "3202646a2e4775c160da1e690d7e1c8dca81c983a43e5ca08fa869ffb20dfca1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.02836",
    "kind": "arxiv",
    "version": 1
  }
}