Pith Number

pith:ICVIOLO2

pith:2013:ICVIOLO2VDZWFQ5Y4XUZIQUJSM

not attested not anchored not stored refs pending

Ambitoric geometry I: Einstein metrics and extremal ambikaehler structures

David M.J. Calderbank, Paul Gauduchon, Vestislav Apostolov

arxiv:1302.6975 v1 · 2013-02-27 · math.DG · gr-qc · 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{ICVIOLO2VDZWFQ5Y4XUZIQUJSM}

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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

General Relativity via differential forms -- explorations in Plebanski's Formalism for GR

Receipt and verification

First computed	2026-05-18T00:56:47.075419Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40aa872ddaa8f362c3b8e5e99442899332d08e56cdeff97d5e237eef17f3864b

Aliases

arxiv: 1302.6975 · arxiv_version: 1302.6975v1 · doi: 10.48550/arxiv.1302.6975 · pith_short_12: ICVIOLO2VDZW · pith_short_16: ICVIOLO2VDZWFQ5Y · pith_short_8: ICVIOLO2

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/ICVIOLO2VDZWFQ5Y4XUZIQUJSM \
  | 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: 40aa872ddaa8f362c3b8e5e99442899332d08e56cdeff97d5e237eef17f3864b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9dd0e8560abfd27ffee91c0415af3f8ab40cf475c46c4582a7f94331eb73ac8c",
    "cross_cats_sorted": [
      "gr-qc",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2013-02-27T20:04:52Z",
    "title_canon_sha256": "5c9b6c0759c2404ad4d26a790679014b9a58b335ebdd11a51780f39fdefb0ef8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.6975",
    "kind": "arxiv",
    "version": 1
  }
}