Pith Number

pith:4ZUGEJWK

pith:2013:4ZUGEJWKZY5CN3DYYXHC7HCR2Z

not attested not anchored not stored refs pending

Nonabelian holomorphic Lie algebroid extensions

Igor Mencattini, Pietro Tortella, Ugo Bruzzo, Vladimir Rubtsov

arxiv:1305.2377 v3 · 2013-05-10 · math.SG · 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{4ZUGEJWKZY5CN3DYYXHC7HCR2Z}

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	2026-05-18T00:36:25.175575Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6686226cace3a26ec78c5ce2f9c51d66c97b4a3b525588e7b51bb6d195149f9

Aliases

arxiv: 1305.2377 · arxiv_version: 1305.2377v3 · doi: 10.48550/arxiv.1305.2377 · pith_short_12: 4ZUGEJWKZY5C · pith_short_16: 4ZUGEJWKZY5CN3DY · pith_short_8: 4ZUGEJWK

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/4ZUGEJWKZY5CN3DYYXHC7HCR2Z \
  | 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: e6686226cace3a26ec78c5ce2f9c51d66c97b4a3b525588e7b51bb6d195149f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3cafe910b34a41ed4b53d8dee5606a95a924763430040571c35e1f0bdd807e9e",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2013-05-10T15:58:44Z",
    "title_canon_sha256": "365f2de65911dfb820213864ee4ee2c06d924514a44a082b52a66c12a1d494e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.2377",
    "kind": "arxiv",
    "version": 3
  }
}