Pith Number

pith:BV53S3XY

pith:2020:BV53S3XYNWIMLNF73ZH5ZX2DND

not attested not anchored not stored refs pending

PL density invariant for type II degenerating K3 surfaces, Moduli compactification and hyperKahler metrics

Yuji Odaka

arxiv:2010.00416 v2 · 2020-10-01 · math.AG · math.DG · math.MG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BV53S3XYNWIMLNF73ZH5ZX2DND}

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

Geometry of gravitational instantons

Receipt and verification

First computed	2026-07-05T01:44:51.065183Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d7bb96ef86d90c5b4bfde4fdcdf4368c6852acecc55c7f2c5bf0219fe643ce0

Aliases

arxiv: 2010.00416 · arxiv_version: 2010.00416v2 · doi: 10.48550/arxiv.2010.00416 · pith_short_12: BV53S3XYNWIM · pith_short_16: BV53S3XYNWIMLNF7 · pith_short_8: BV53S3XY

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/BV53S3XYNWIMLNF73ZH5ZX2DND \
  | 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: 0d7bb96ef86d90c5b4bfde4fdcdf4368c6852acecc55c7f2c5bf0219fe643ce0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56b87f0a06707084e408d5ef8e40c0285920e6be83d0e544580f1063ee255359",
    "cross_cats_sorted": [
      "math.DG",
      "math.MG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2020-10-01T14:02:30Z",
    "title_canon_sha256": "e7e39fe2ec930ecfe5409080c63f391604f4bf063f86480d156b7ac7620a3e58"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2010.00416",
    "kind": "arxiv",
    "version": 2
  }
}