Pith Number

pith:WGBKBDPA

pith:2011:WGBKBDPA6SKYZQ7RZBBFRH5O2Q

not attested not anchored not stored refs pending

Singular Derived Categories of Q-factorial terminalizations and Maximal Modification Algebras

Michael Wemyss, Osamu Iyama

arxiv:1108.4518 v3 · 2011-08-23 · math.AG · math.AC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WGBKBDPA6SKYZQ7RZBBFRH5O2Q}

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	2026-05-18T02:55:11.625933Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b182a08de0f4958cc3f1c842589faed412f90ce2b0da5b21a7f54b02dc097559

Aliases

arxiv: 1108.4518 · arxiv_version: 1108.4518v3 · doi: 10.48550/arxiv.1108.4518 · pith_short_12: WGBKBDPA6SKY · pith_short_16: WGBKBDPA6SKYZQ7R · pith_short_8: WGBKBDPA

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/WGBKBDPA6SKYZQ7RZBBFRH5O2Q \
  | 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: b182a08de0f4958cc3f1c842589faed412f90ce2b0da5b21a7f54b02dc097559

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d79d5eae643fc5d3507876b55234fca380f096b5810f46812f955924e4fb065",
    "cross_cats_sorted": [
      "math.AC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2011-08-23T07:53:07Z",
    "title_canon_sha256": "38b86ba7da0815e70bcb0f2c3256a3d6e2424a9c3bdc91591fa71167f8cc2d26"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.4518",
    "kind": "arxiv",
    "version": 3
  }
}