Pith Number

pith:NNFYOFAG

pith:2013:NNFYOFAGDTSZ62W6L7CECJ4WCQ

not attested not anchored not stored refs pending

Reduction of triangulated categories and Maximal Modification Algebras for cA_n singularities

Michael Wemyss, Osamu Iyama

arxiv:1304.5259 v2 · 2013-04-18 · math.RT · math.AC · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NNFYOFAGDTSZ62W6L7CECJ4WCQ}

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	2026-05-18T03:07:54.711486Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b4b8714061ce59f6ade5fc4412796142b675cae4b3d616b4a213d433671b1d3

Aliases

arxiv: 1304.5259 · arxiv_version: 1304.5259v2 · doi: 10.48550/arxiv.1304.5259 · pith_short_12: NNFYOFAGDTSZ · pith_short_16: NNFYOFAGDTSZ62W6 · pith_short_8: NNFYOFAG

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/NNFYOFAGDTSZ62W6L7CECJ4WCQ \
  | 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: 6b4b8714061ce59f6ade5fc4412796142b675cae4b3d616b4a213d433671b1d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "59ef024601af873e960476e8fe3ba094a96cdbc9966a699780a45cc5d73701ce",
    "cross_cats_sorted": [
      "math.AC",
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RT",
    "submitted_at": "2013-04-18T21:27:17Z",
    "title_canon_sha256": "a866ebf0c7b07a7f097faa00df5a8527d3a584f5c3e370a0c6b44c940ca14066"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.5259",
    "kind": "arxiv",
    "version": 2
  }
}