Pith Number

pith:N7AOQHF6

pith:2006:N7AOQHF6UT77XL7WZUWBTBPOIF

not attested not anchored not stored refs pending

A f(R) gravity without cosmological constant

A. de la Cruz-Dombriz, A. Dobado

arxiv:gr-qc/0607118 v1 · 2006-07-26 · 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{N7AOQHF6UT77XL7WZUWBTBPOIF}

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

Charged accelerating black hole in $f(R)$ gravity

Receipt and verification

First computed	2026-07-04T17:01:29.380951Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6fc0e81cbea4fffbaff6cd2c1985ee4178bf5299c5785ca6d8a80df7385c4bec

Aliases

arxiv: gr-qc/0607118 · arxiv_version: gr-qc/0607118v1 · doi: 10.48550/arxiv.gr-qc/0607118 · pith_short_12: N7AOQHF6UT77 · pith_short_16: N7AOQHF6UT77XL7W · pith_short_8: N7AOQHF6

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/N7AOQHF6UT77XL7WZUWBTBPOIF \
  | 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: 6fc0e81cbea4fffbaff6cd2c1985ee4178bf5299c5785ca6d8a80df7385c4bec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d4034199fc42b992df79f53da60a8c20896e3548226f9044dfc642d00925f56e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2006-07-26T12:19:06Z",
    "title_canon_sha256": "f9bc30dd53216cb4be8b566fec23173b7715e088a377e50e03fe442ff4ec30a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0607118",
    "kind": "arxiv",
    "version": 1
  }
}