Pith Number

pith:OPAYUA7O

pith:2019:OPAYUA7ONHVUI7SNWFFTMULXIW

not attested not anchored not stored refs pending

Geometry of weighted Lorentz-Finsler manifolds I: Singularity theorems

Ettore Minguzzi, Shin-ichi Ohta, Yufeng Lu

arxiv:1908.03832 v3 · 2019-08-11 · 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{OPAYUA7ONHVUI7SNWFFTMULXIW}

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

Totally geodesic null hypersurfaces and constancy of surface gravity in Finsler spacetimes

Receipt and verification

First computed	2026-07-05T03:00:44.281552Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73c18a03ee69eb447e4db14b365177459854769279dee598817bc0a3c12f85a9

Aliases

arxiv: 1908.03832 · arxiv_version: 1908.03832v3 · doi: 10.48550/arxiv.1908.03832 · pith_short_12: OPAYUA7ONHVU · pith_short_16: OPAYUA7ONHVUI7SN · pith_short_8: OPAYUA7O

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/OPAYUA7ONHVUI7SNWFFTMULXIW \
  | 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: 73c18a03ee69eb447e4db14b365177459854769279dee598817bc0a3c12f85a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee0bd237be952b71dae9d2c8aa7edca619f1e54fc88df92c2f5b2b5c53f7f9ac",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2019-08-11T00:35:51Z",
    "title_canon_sha256": "b242f427f2d2570cf2826a4f8d54fe43bfb758d152725b87aa3adf2d7f44043a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.03832",
    "kind": "arxiv",
    "version": 3
  }
}