Pith Number

pith:VMMB5JV4

pith:2010:VMMB5JV4KIVKTAYAR6JEWOH3UH

not attested not anchored not stored refs pending

Cohomology of skew-holomorphic Lie algebroids

Ugo Bruzzo, Vladimir Rubtsov

arxiv:1003.1823 v2 · 2010-03-09 · math.CV · math.AG · math.DG · math.SG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VMMB5JV4KIVKTAYAR6JEWOH3UH}

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	2026-05-18T02:08:36.094168Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab181ea6bc522aa983008f924b38fba1c74eecc97935afad6a25a32b64fb5af4

Aliases

arxiv: 1003.1823 · arxiv_version: 1003.1823v2 · doi: 10.48550/arxiv.1003.1823 · pith_short_12: VMMB5JV4KIVK · pith_short_16: VMMB5JV4KIVKTAYA · pith_short_8: VMMB5JV4

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/VMMB5JV4KIVKTAYAR6JEWOH3UH \
  | 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: ab181ea6bc522aa983008f924b38fba1c74eecc97935afad6a25a32b64fb5af4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "572ff127792b8546d94947fba29e1991e07105b8ebf3df7cf56edc61206c10b9",
    "cross_cats_sorted": [
      "math.AG",
      "math.DG",
      "math.SG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2010-03-09T07:44:57Z",
    "title_canon_sha256": "0147909a9686ed970ca972dfcc8e345c3c0085f938efd763e65e2ddd562e612a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.1823",
    "kind": "arxiv",
    "version": 2
  }
}