Pith Number

pith:E7IPV3EX

pith:2015:E7IPV3EXQZ7YETWUC33KDJTLEY

not attested not anchored not stored refs pending

Families of Calabi-Yau hypersurfaces in $\mathbb Q$-Fano toric varieties

Michela Artebani, Paola Comparin, Robin Guilbot

arxiv:1501.05681 v3 · 2015-01-22 · 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{E7IPV3EXQZ7YETWUC33KDJTLEY}

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.

Cited by

2 papers in Pith

Chern Characteristics and Todd-Hirzebruch Identities for Transpolar Pairs of Toric Spaces

Beyond Algebraic Superstring Compactification: Part II

Receipt and verification

First computed	2026-05-18T01:19:12.437822Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27d0faec97867f824ed416f6a1a66b263a2d5bc9f1ec40f9aa15b24797a1cf27

Aliases

arxiv: 1501.05681 · arxiv_version: 1501.05681v3 · doi: 10.48550/arxiv.1501.05681 · pith_short_12: E7IPV3EXQZ7Y · pith_short_16: E7IPV3EXQZ7YETWU · pith_short_8: E7IPV3EX

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/E7IPV3EXQZ7YETWUC33KDJTLEY \
  | 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: 27d0faec97867f824ed416f6a1a66b263a2d5bc9f1ec40f9aa15b24797a1cf27

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ecc8a3c01f629a8884e71baa119e032045c68d705140ac978ee866d9ddcd43a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2015-01-22T22:52:00Z",
    "title_canon_sha256": "5c7a8aeb50f737b956996d4e2e0000da559c8e04c2c1f72a1acd135bc5fe2df5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.05681",
    "kind": "arxiv",
    "version": 3
  }
}