Pith Number

pith:CYD2C5CX

pith:2012:CYD2C5CXH3V2FWKSWFNHSYBN6P

not attested not anchored not stored refs pending

The derived category of a GIT quotient

Daniel Halpern-Leistner

arxiv:1203.0276 v3 · 2012-03-01 · math.AG · math.KT · 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{CYD2C5CXH3V2FWKSWFNHSYBN6P}

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

Semiorthogonal decompositions for stacks

Receipt and verification

First computed	2026-05-18T02:49:10.185352Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1607a174573eeba2d952b15a79602df3ff34d1429344229c24eb7ca89d9701f2

Aliases

arxiv: 1203.0276 · arxiv_version: 1203.0276v3 · doi: 10.48550/arxiv.1203.0276 · pith_short_12: CYD2C5CXH3V2 · pith_short_16: CYD2C5CXH3V2FWKS · pith_short_8: CYD2C5CX

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/CYD2C5CXH3V2FWKSWFNHSYBN6P \
  | 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: 1607a174573eeba2d952b15a79602df3ff34d1429344229c24eb7ca89d9701f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "587b3e31b00d1016ce0e2bf79dbd7590642e9315af5efc3a18d95c5a8e69122e",
    "cross_cats_sorted": [
      "math.KT",
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2012-03-01T19:42:14Z",
    "title_canon_sha256": "9ce83f6faf4be974de36a0953f0e91e79a2f62a11e58083747370d7fb0f8519d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.0276",
    "kind": "arxiv",
    "version": 3
  }
}