Pith Number

pith:LEMQFDUF

pith:2013:LEMQFDUFS4ZLW3YG65WQCKXKZ5

not attested not anchored not stored refs pending

Unirationality of Ueno-Campana's threefold

Fabrizio Catanese, Keiji Oguiso, Tuyen Trung Truong

arxiv:1310.3569 v1 · 2013-10-14 · 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{LEMQFDUFS4ZLW3YG65WQCKXKZ5}

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	2026-05-18T03:10:35.362414Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5919028e859732bb6f06f76d012aeacf58afe187c7b4dd5a8be40110e266ed36

Aliases

arxiv: 1310.3569 · arxiv_version: 1310.3569v1 · doi: 10.48550/arxiv.1310.3569 · pith_short_12: LEMQFDUFS4ZL · pith_short_16: LEMQFDUFS4ZLW3YG · pith_short_8: LEMQFDUF

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/LEMQFDUFS4ZLW3YG65WQCKXKZ5 \
  | 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: 5919028e859732bb6f06f76d012aeacf58afe187c7b4dd5a8be40110e266ed36

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd430bada6f7859dc77aa529cd43afdba3d7d115856fe45e7bace080930e9d2c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-10-14T06:10:06Z",
    "title_canon_sha256": "ea3f365ed3580cd7a274eed9037cee8ba5aee6153fc6622f5a55d9f2978b730a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.3569",
    "kind": "arxiv",
    "version": 1
  }
}