Pith Number

pith:Q2CY6OJQ

pith:2009:Q2CY6OJQCG5T5ATVU3F2VQOA4M

not attested not anchored not stored refs pending

A general solution in the Newtonian limit of f(R)- gravity

A. Stabile, A. Troisi, S. Capozziello

arxiv:0901.0448 v1 · 2009-01-05 · gr-qc · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q2CY6OJQCG5T5ATVU3F2VQOA4M}

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

Nonstatic Reissner-Nordstr\"om metric in the perturbative $f(R)$ theory: Embedding in the background of the FLRW cosmology, uniqueness of solutions, the TOV equation

Receipt and verification

First computed	2026-07-04T15:41:31.680861Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86858f393011bb3e8275a6cbaac1c0e32cd1bd006665b967f7906f817281924e

Aliases

arxiv: 0901.0448 · arxiv_version: 0901.0448v1 · doi: 10.48550/arxiv.0901.0448 · pith_short_12: Q2CY6OJQCG5T · pith_short_16: Q2CY6OJQCG5T5ATV · pith_short_8: Q2CY6OJQ

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/Q2CY6OJQCG5T5ATVU3F2VQOA4M \
  | 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: 86858f393011bb3e8275a6cbaac1c0e32cd1bd006665b967f7906f817281924e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d51d72c2c25cec83eca871a4460fecc6f9854bdff407c8b8470daac1cdbbf8c",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2009-01-05T09:30:16Z",
    "title_canon_sha256": "55920bc3e2bdd8c78eec8a8f937e55245c8bd738c6f2031c5b6a2b96dc79646b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.0448",
    "kind": "arxiv",
    "version": 1
  }
}