Pith Number

pith:S72CLHLP

pith:2022:S72CLHLPKMGU2XAGNTHA2Q7UPX

not attested not anchored not stored refs pending

Discontinuous normals in non-Euclidean geometries and two-dimensional gravity

Emmanuele Battista, Giampiero Esposito

arxiv:2208.02658 v2 · 2022-08-04 · 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{S72CLHLPKMGU2XAGNTHA2Q7UPX}

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

Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm

Receipt and verification

First computed	2026-07-05T05:01:40.216335Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

97f4259d6f530d4d5c066cce0d43f47dcbc4667ebba5465db19d42f203178228

Aliases

arxiv: 2208.02658 · arxiv_version: 2208.02658v2 · doi: 10.48550/arxiv.2208.02658 · pith_short_12: S72CLHLPKMGU · pith_short_16: S72CLHLPKMGU2XAG · pith_short_8: S72CLHLP

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/S72CLHLPKMGU2XAGNTHA2Q7UPX \
  | 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: 97f4259d6f530d4d5c066cce0d43f47dcbc4667ebba5465db19d42f203178228

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f536f1f3ec96a50774cc20ea1f5d7c384b50f61bffcd2697cb9573d17890e88e",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2022-08-04T13:39:50Z",
    "title_canon_sha256": "8c3b3609075dde8d208d94944a4238a779b8779f72273f10ea215da748684450"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2208.02658",
    "kind": "arxiv",
    "version": 2
  }
}