Pith Number

pith:2FF6UPWP

pith:2008:2FF6UPWPYFECQE4HWGRRUXO7YK

not attested not anchored not stored refs pending

Moduli spaces of rank 2 ACM bundles on prime Fano threefolds

Daniele Faenzi, Maria Chiara Brambilla

arxiv:0806.2265 v2 · 2008-06-13 · math.AG · math.AC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2FF6UPWPYFECQE4HWGRRUXO7YK}

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	2026-05-18T04:23:11.813012Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d14bea3ecfc148281387b1a31a5ddfc295191e40ee9d2464939dfe88efab66fa

Aliases

arxiv: 0806.2265 · arxiv_version: 0806.2265v2 · doi: 10.48550/arxiv.0806.2265 · pith_short_12: 2FF6UPWPYFEC · pith_short_16: 2FF6UPWPYFECQE4H · pith_short_8: 2FF6UPWP

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/2FF6UPWPYFECQE4HWGRRUXO7YK \
  | 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: d14bea3ecfc148281387b1a31a5ddfc295191e40ee9d2464939dfe88efab66fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e5a8bdeeeb4a04fb3d0fd0378d59a771b2ebb3c9fce9677b9ea6f9f0a6b6d24",
    "cross_cats_sorted": [
      "math.AC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2008-06-13T15:06:43Z",
    "title_canon_sha256": "9b3acdbca886fbd1253e8b3c8fad72d75063fb1448968870daf95c3ae1ba4084"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0806.2265",
    "kind": "arxiv",
    "version": 2
  }
}