Pith Number

pith:YWCTZ365

pith:2006:YWCTZ36534EBGTTEFCO3UTT6SO

not attested not anchored not stored refs pending

A Gabriel Theorem for Coherent Twisted Sheaves

Arvid Perego

arxiv:math/0607025 v2 · 2006-07-01 · 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{YWCTZ36534EBGTTEFCO3UTT6SO}

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	2026-05-18T02:57:24.534422Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c5853cefdddf08134e64289dba4e7e939fdbfd8de4aaac73455f431d478d0a31

Aliases

arxiv: math/0607025 · arxiv_version: math/0607025v2 · doi: 10.48550/arxiv.math/0607025 · pith_short_12: YWCTZ36534EB · pith_short_16: YWCTZ36534EBGTTE · pith_short_8: YWCTZ365

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/YWCTZ36534EBGTTEFCO3UTT6SO \
  | 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: c5853cefdddf08134e64289dba4e7e939fdbfd8de4aaac73455f431d478d0a31

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1fac3ad5afa7fdb38223944f845750aacfd88431c771cf372a4676fea85e98ca",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.AG",
    "submitted_at": "2006-07-01T17:08:24Z",
    "title_canon_sha256": "6dca9c7bb6a42c1f9c1716eb48b2585fcac40d560252a4b2f633acb758ce0d2e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0607025",
    "kind": "arxiv",
    "version": 2
  }
}