Pith Number

pith:L2QSJO6V

pith:2015:L2QSJO6VQMADBISHFZFENVTJUF

not attested not anchored not stored refs pending

Scale-invariant rotating black holes in quadratic gravity

Guido Cognola, Luciano Vanzo, Massimiliano Rinaldi

arxiv:1506.07096 v2 · 2015-06-23 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L2QSJO6VQMADBISHFZFENVTJUF}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:36:25.405374Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ea124bbd5830030a2472e4a46d669a1446bbad4d3fa0635b38347b4cb3857d8

Aliases

arxiv: 1506.07096 · arxiv_version: 1506.07096v2 · doi: 10.48550/arxiv.1506.07096 · pith_short_12: L2QSJO6VQMAD · pith_short_16: L2QSJO6VQMADBISH · pith_short_8: L2QSJO6V

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/L2QSJO6VQMADBISHFZFENVTJUF \
  | 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: 5ea124bbd5830030a2472e4a46d669a1446bbad4d3fa0635b38347b4cb3857d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4045e7b715ac31f8e8784c143fb07cfabc3ac7f59217bb036957e6ca23c2b67",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-06-23T17:18:22Z",
    "title_canon_sha256": "5a7e957158ac8e8c53fa612251bc6a1ac9475bed64562c9f15d255b8c893dd98"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.07096",
    "kind": "arxiv",
    "version": 2
  }
}