Pith Number

pith:IA4SJKZP

pith:2017:IA4SJKZPIXDYEJFZVQTHFHA75I

not attested not anchored not stored refs pending

Calabi-Yau 4-folds of Borcea--Voisin type from F-Theory

Alice Garbagnati, Andrea Cattaneo, Matteo Penegini

arxiv:1706.01689 v1 · 2017-06-06 · 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{IA4SJKZPIXDYEJFZVQTHFHA75I}

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	2026-05-17T23:46:50.555767Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

403924ab2f45c78224b9ac26729c1fea19c4f275dccfb1fe60827d0a714ddec7

Aliases

arxiv: 1706.01689 · arxiv_version: 1706.01689v1 · doi: 10.48550/arxiv.1706.01689 · pith_short_12: IA4SJKZPIXDY · pith_short_16: IA4SJKZPIXDYEJFZ · pith_short_8: IA4SJKZP

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/IA4SJKZPIXDYEJFZVQTHFHA75I \
  | 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: 403924ab2f45c78224b9ac26729c1fea19c4f275dccfb1fe60827d0a714ddec7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "314ca2dbb8615023985db5ea189599b4e62974cd037b280bcfca75ca7832175c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-06-06T10:43:16Z",
    "title_canon_sha256": "80a061a44f4ae982a79209f59aba5c2b3590867e20390da02052da7f25e2e003"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.01689",
    "kind": "arxiv",
    "version": 1
  }
}