Pith Number

pith:QZDN2T73

pith:2016:QZDN2T732EPYKBNKIMDTJO7TIY

not attested not anchored not stored refs pending

Calabi--Yau quotients of hyperk\"ahler four-folds

Alice Garbagnati, Chiara Camere, Giovanni Mongardi

arxiv:1607.02416 v1 · 2016-07-08 · 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{QZDN2T732EPYKBNKIMDTJO7TIY}

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	2026-05-18T01:11:19.040483Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8646dd4ffbd11f8505aa430734bbf3460072fde32b1189fb1c255b9fe58b0e87

Aliases

arxiv: 1607.02416 · arxiv_version: 1607.02416v1 · doi: 10.48550/arxiv.1607.02416 · pith_short_12: QZDN2T732EPY · pith_short_16: QZDN2T732EPYKBNK · pith_short_8: QZDN2T73

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/QZDN2T732EPYKBNKIMDTJO7TIY \
  | 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: 8646dd4ffbd11f8505aa430734bbf3460072fde32b1189fb1c255b9fe58b0e87

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e76b4416d3b7c41df730c1620a0626a74aac99ae556875258cfbfed21c5418ec",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2016-07-08T15:33:20Z",
    "title_canon_sha256": "5f79241e80bf53eb276e6a9c93f36204d6d6096094da592c5d4c82ebc92b3fdc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.02416",
    "kind": "arxiv",
    "version": 1
  }
}