Pith Number

pith:UV7ZSYTG

pith:2005:UV7ZSYTGFKXN65SPRSVQCWKPO3

not attested not anchored not stored refs pending

Derived Categories of Coherent Sheaves and Triangulated Categories of Singularities

Dmitri Orlov

arxiv:math/0503632 v3 · 2005-03-28 · math.AG · math.CT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UV7ZSYTGFKXN65SPRSVQCWKPO3}

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

Odd Kn\"orrer periodicity as a double cover

Receipt and verification

First computed	2026-05-18T00:07:56.459711Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a57f9962662aaedf764f8cab01594f76caf92fe5a561ae4b693dc760d7cdd587

Aliases

arxiv: math/0503632 · arxiv_version: math/0503632v3 · doi: 10.48550/arxiv.math/0503632 · pith_short_12: UV7ZSYTGFKXN · pith_short_16: UV7ZSYTGFKXN65SP · pith_short_8: UV7ZSYTG

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/UV7ZSYTGFKXN65SPRSVQCWKPO3 \
  | 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: a57f9962662aaedf764f8cab01594f76caf92fe5a561ae4b693dc760d7cdd587

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c22a21cac6bb7637b83ce49e20d4b595bc72be0d2280c1104261a40ed2bf5795",
    "cross_cats_sorted": [
      "math.CT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2005-03-28T11:16:56Z",
    "title_canon_sha256": "7e190171833406dd46beda6d4364d18a48494bf1cc21de6e1b978c95d5d198ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0503632",
    "kind": "arxiv",
    "version": 3
  }
}