Pith Number

pith:VYADYTBS

pith:2015:VYADYTBSE66IBSWTDKGJMVHMNS

not attested not anchored not stored refs pending

Borcea-Voisin Calabi-Yau threefolds and invertible potentials

Alessandra Sarti, Michela Artebani, Samuel Boissi\`ere

arxiv:1501.07895 v1 · 2015-01-30 · 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{VYADYTBSE66IBSWTDKGJMVHMNS}

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	2026-05-18T02:28:13.809540Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae003c4c3227bc80cad31a8c9654ec6cbc6430fc73ba2d4c3a30f8fc6ea83058

Aliases

arxiv: 1501.07895 · arxiv_version: 1501.07895v1 · doi: 10.48550/arxiv.1501.07895 · pith_short_12: VYADYTBSE66I · pith_short_16: VYADYTBSE66IBSWT · pith_short_8: VYADYTBS

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/VYADYTBSE66IBSWTDKGJMVHMNS \
  | 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: ae003c4c3227bc80cad31a8c9654ec6cbc6430fc73ba2d4c3a30f8fc6ea83058

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "10d1b71ee98dd8d69e4e5e69a446b4bbaa04b0a1f0e1e1ab4b27013336f63260",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2015-01-30T20:06:22Z",
    "title_canon_sha256": "3efe2c976c28c2a4d35c9e68b0f98c44c2fcce809ebfe8798acfacf4005533c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.07895",
    "kind": "arxiv",
    "version": 1
  }
}