Pith Number

pith:MG2SBLN6

pith:2013:MG2SBLN6XY25S63GHXJPUMSJSN

not attested not anchored not stored refs pending

Operations on t-structures and perverse coherent sheaves

Alexey Bondal

arxiv:1308.2549 v1 · 2013-08-12 · 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{MG2SBLN6XY25S63GHXJPUMSJSN}

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

Fishing for complements

Receipt and verification

First computed	2026-05-18T01:48:16.359032Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

61b520adbebe35d97b663dd2fa3249934ab5cb15784b5a6951efd002104322d7

Aliases

arxiv: 1308.2549 · arxiv_version: 1308.2549v1 · doi: 10.48550/arxiv.1308.2549 · pith_short_12: MG2SBLN6XY25 · pith_short_16: MG2SBLN6XY25S63G · pith_short_8: MG2SBLN6

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/MG2SBLN6XY25S63GHXJPUMSJSN \
  | 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: 61b520adbebe35d97b663dd2fa3249934ab5cb15784b5a6951efd002104322d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3cc17321369b480731c4354e30748b84494ea7d62c545cf89139987213f771db",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-08-12T13:14:15Z",
    "title_canon_sha256": "ac3beb1555f4cac438e9d7cf6a0bd4976db89e21258bc68828d73ae0f89d4c1a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.2549",
    "kind": "arxiv",
    "version": 1
  }
}