Pith Number

pith:NFOO3BQ2

pith:2017:NFOO3BQ2URTVN42PW4636KAOZT

not attested not anchored not stored refs pending

Lichnerowicz Modes and Black Hole Families in Ricci Quadratic Gravity

A. Perkins, C.N. Pope, H. Lu, K.S. Stelle

arxiv:1704.05493 v1 · 2017-04-18 · hep-th · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NFOO3BQ2URTVN42PW4636KAOZT}

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

Non-Fierz-Pauli bimetric theory from quadratic curvature gravity on Einstein manifolds

Receipt and verification

First computed	2026-05-18T00:37:33.957344Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

695ced861aa46756f34fb73dbf280eccfae7a8f5314ecb48b37a12fb850ad505

Aliases

arxiv: 1704.05493 · arxiv_version: 1704.05493v1 · doi: 10.48550/arxiv.1704.05493 · pith_short_12: NFOO3BQ2URTV · pith_short_16: NFOO3BQ2URTVN42P · pith_short_8: NFOO3BQ2

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/NFOO3BQ2URTVN42PW4636KAOZT \
  | 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: 695ced861aa46756f34fb73dbf280eccfae7a8f5314ecb48b37a12fb850ad505

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f03d85b797bf95a2d2177ab0fedbfabd18d8130b5d93951d5c7903fc86ff220",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2017-04-18T18:42:16Z",
    "title_canon_sha256": "2175c256f939123e7064282d471dd2bc036e691b1aff6e146716f27834b5c01d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.05493",
    "kind": "arxiv",
    "version": 1
  }
}