Pith Number

pith:EAVWSOMP

pith:2009:EAVWSOMPTRB4U4ESR2PON5FSJP

not attested not anchored not stored refs pending

Perverse coherent sheaves

Dmitry Arinkin, Roman Bezrukavnikov

arxiv:0902.0349 v3 · 2009-02-02 · math.AG · 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{EAVWSOMPTRB4U4ESR2PON5FSJP}

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.

Cited by

1 paper in Pith

Semi-Bousfield classes and nonmonotone perversities

Receipt and verification

First computed	2026-07-05T02:12:26.829628Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

202b69398f9c43ca70928e9ee6f4b24be56b87fdb6de40165971e5e39750d169

Aliases

arxiv: 0902.0349 · arxiv_version: 0902.0349v3 · doi: 10.48550/arxiv.0902.0349 · pith_short_12: EAVWSOMPTRB4 · pith_short_16: EAVWSOMPTRB4U4ES · pith_short_8: EAVWSOMP

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/EAVWSOMPTRB4U4ESR2PON5FSJP \
  | 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: 202b69398f9c43ca70928e9ee6f4b24be56b87fdb6de40165971e5e39750d169

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ea0d0899439577ff824330b285e0e3817556b67d19095428a7952d7381c29a7",
    "cross_cats_sorted": [
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2009-02-02T20:20:15Z",
    "title_canon_sha256": "ae992937d6b47ff8485fd0ba0c55cf17491f24c595a8e8a1268f6b3f0f9efaa6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.0349",
    "kind": "arxiv",
    "version": 3
  }
}