Pith Number

pith:KHFUZFSY

pith:2018:KHFUZFSYI2IY7PKVBPAPPU7OOK

not attested not anchored not stored refs pending

The Raychaudhuri equation in spacetimes with torsion and non-metricity

Anastasios C. Petkou, Christos G. Tsagas, Damianos Iosifidis

arxiv:1809.04992 v2 · 2018-09-13 · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KHFUZFSYI2IY7PKVBPAPPU7OOK}

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

Jacobson's thermodynamic approach to classical gravity applied to non-Riemannian geometries: remarks on the simplicity of Nature

Receipt and verification

First computed	2026-05-17T23:59:05.212441Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

51cb4c965846918fbd550bc0f7d3ee729d206cfd7ed1321ef0d756e1408c8a3e

Aliases

arxiv: 1809.04992 · arxiv_version: 1809.04992v2 · doi: 10.48550/arxiv.1809.04992 · pith_short_12: KHFUZFSYI2IY · pith_short_16: KHFUZFSYI2IY7PKV · pith_short_8: KHFUZFSY

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/KHFUZFSYI2IY7PKVBPAPPU7OOK \
  | 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: 51cb4c965846918fbd550bc0f7d3ee729d206cfd7ed1321ef0d756e1408c8a3e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a752e6c235223b1fabff2bdce84ec4dc42d05b906807fee54c2bcac6521c35a6",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-09-13T14:42:22Z",
    "title_canon_sha256": "67798d71e3298575b497fc87d322d739d39b5171bf094cdd2b51aafeb0c1261d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.04992",
    "kind": "arxiv",
    "version": 2
  }
}