Pith Number

pith:UKAM7LAP

pith:2024:UKAM7LAPNLRTY74FNFAKREXHQV

not attested not anchored not stored refs pending

Fundamental groups, coregularity, and low dimensional klt Calabi-Yau pairs

Fernando Figueroa, Lukas Braun

arxiv:2401.01315 v2 · 2024-01-02 · 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{UKAM7LAPNLRTY74FNFAKREXHQV}

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

1 paper in Pith

Boundedness of some fibered K-trivial varieties

Receipt and verification

First computed	2026-07-05T08:21:46.892081Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a280cfac0f6ae33c7f856940a892e7855274d12396f6b80647de5bdd960ae09b

Aliases

arxiv: 2401.01315 · arxiv_version: 2401.01315v2 · doi: 10.48550/arxiv.2401.01315 · pith_short_12: UKAM7LAPNLRT · pith_short_16: UKAM7LAPNLRTY74F · pith_short_8: UKAM7LAP

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/UKAM7LAPNLRTY74FNFAKREXHQV \
  | 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: a280cfac0f6ae33c7f856940a892e7855274d12396f6b80647de5bdd960ae09b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d3d66c90b236463a1eb534b6656bd67442e9f87a4b6f7f077f2992c2d8e31e26",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2024-01-02T18:01:25Z",
    "title_canon_sha256": "35810e898f3b82ce8e2210affc24dd494399728ed633de25ea58fbe9f7adaa64"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2401.01315",
    "kind": "arxiv",
    "version": 2
  }
}