Pith Number

pith:QLF2VPRA

pith:2010:QLF2VPRAHU56IFAPTCGMFC7GA4

not attested not anchored not stored refs pending

A Kummer construction for gravitational instantons

Olivier Biquard, Vincent Minerbe

arxiv:1005.5133 v3 · 2010-05-27 · math.DG · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QLF2VPRAHU56IFAPTCGMFC7GA4}

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	2026-05-18T02:07:07.127445Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82cbaabe203d3be4140f988cc28be60726cf4cf0a19e27472c459786590b814d

Aliases

arxiv: 1005.5133 · arxiv_version: 1005.5133v3 · doi: 10.48550/arxiv.1005.5133 · pith_short_12: QLF2VPRAHU56 · pith_short_16: QLF2VPRAHU56IFAP · pith_short_8: QLF2VPRA

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/QLF2VPRAHU56IFAPTCGMFC7GA4 \
  | 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: 82cbaabe203d3be4140f988cc28be60726cf4cf0a19e27472c459786590b814d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "acc2b6468c35c8f1b4f7896d7e3329b50eeca1232a6aa769d69a17eb77ff338b",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2010-05-27T17:51:54Z",
    "title_canon_sha256": "14a90baa549d3e855a2d3742fc89dc9f556f921057e4391ce94a6e31ae3ce5e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.5133",
    "kind": "arxiv",
    "version": 3
  }
}