Pith Number

pith:NDHCS655

pith:2011:NDHCS655YYDREMJNE3OEAKXZVU

not attested not anchored not stored refs pending

Perverse coherent sheaves on the nilpotent cone in good characteristic

Pramod N. Achar

arxiv:1109.2813 v1 · 2011-09-13 · math.RT · 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{NDHCS655YYDREMJNE3OEAKXZVU}

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	2026-05-18T04:13:07.639282Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68ce297bbdc60712312d26dc402af9ad2f46dc5a3b3576349b23463529ae2043

Aliases

arxiv: 1109.2813 · arxiv_version: 1109.2813v1 · doi: 10.48550/arxiv.1109.2813 · pith_short_12: NDHCS655YYDR · pith_short_16: NDHCS655YYDREMJN · pith_short_8: NDHCS655

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/NDHCS655YYDREMJNE3OEAKXZVU \
  | 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: 68ce297bbdc60712312d26dc402af9ad2f46dc5a3b3576349b23463529ae2043

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e65eb368da5a16a2b82303498f33e74deab6800af4729020b42f786bb7b355a1",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RT",
    "submitted_at": "2011-09-13T14:56:44Z",
    "title_canon_sha256": "ac139e93060f7c852807c75af7b1f7b8f87fd6d7d0ffe41772fca23f16d1fb5e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.2813",
    "kind": "arxiv",
    "version": 1
  }
}