Pith Number

pith:Z3BLKMAD

pith:2019:Z3BLKMADEGRUBOUGHPIELPVX33

not attested not anchored not stored refs pending

Gauge invariant formulation of gravitational waves in metric $f(R)$ gravity

Fabio Moretti, Flavio Bombacigno, Giovanni Montani

arxiv:1906.01899 v2 · 2019-06-05 · 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{Z3BLKMADEGRUBOUGHPIELPVX33}

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

The Science of the Einstein Telescope

Receipt and verification

First computed	2026-07-05T00:11:04.442330Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cec2b5300321a340ba863bd045beb7deef1a73ef511b8f6e4bdad6f1a53b34c5

Aliases

arxiv: 1906.01899 · arxiv_version: 1906.01899v2 · doi: 10.48550/arxiv.1906.01899 · pith_short_12: Z3BLKMADEGRU · pith_short_16: Z3BLKMADEGRUBOUG · pith_short_8: Z3BLKMAD

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/Z3BLKMADEGRUBOUGHPIELPVX33 \
  | 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: cec2b5300321a340ba863bd045beb7deef1a73ef511b8f6e4bdad6f1a53b34c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24e4390f8b21ee3114cb340b5cba856d20d00280f9a4c70e95b7060c2be8b356",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-06-05T09:20:13Z",
    "title_canon_sha256": "b6a437a706556ddafa619b1ceaffc6cf87ae983ae4b95663faa478471dadb800"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.01899",
    "kind": "arxiv",
    "version": 2
  }
}