Pith Number

pith:ANCSSO4U

pith:2002:ANCSSO4ULWLJ5JW6FYIZX4MMFV

not attested not anchored not stored refs pending

Deformations of calibrations, {Calabi-Yau, HyperK\"ahler, $G_2$ and Spin(7) structures}

Ryushi Goto

arxiv:math/0204288 v2 · 2002-04-24 · math.DG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ANCSSO4ULWLJ5JW6FYIZX4MMFV}

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

Spin(7)-Orbifold Resolutions

Receipt and verification

First computed	2026-07-04T15:52:12.690172Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0345293b945d969ea6de2e119bf18c2d695ebeba6cc9c1206eae9118df65d464

Aliases

arxiv: math/0204288 · arxiv_version: math/0204288v2 · doi: 10.48550/arxiv.math/0204288 · pith_short_12: ANCSSO4ULWLJ · pith_short_16: ANCSSO4ULWLJ5JW6 · pith_short_8: ANCSSO4U

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/ANCSSO4ULWLJ5JW6FYIZX4MMFV \
  | 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: 0345293b945d969ea6de2e119bf18c2d695ebeba6cc9c1206eae9118df65d464

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2445c5e89627cab09a68863a313cdcdf04f1e07719629e3f1c402a504298e8a3",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.DG",
    "submitted_at": "2002-04-24T09:25:44Z",
    "title_canon_sha256": "ed3bf56041a45ba7f7168e60322d28265c0cf0ed656ec55b2eec27d8341a34e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0204288",
    "kind": "arxiv",
    "version": 2
  }
}