Pith Number

pith:OMBKMBEW

pith:2009:OMBKMBEWKXX3BD4SGR4PMU3IQO

not attested not anchored not stored refs pending

Relativistic stars in f(R) gravity

D. Langlois, E. Babichev

arxiv:0904.1382 v3 · 2009-04-08 · 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{OMBKMBEWKXX3BD4SGR4PMU3IQO}

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

2 papers in Pith

Modified Gravity and Cosmology

Testing General Relativity with Present and Future Astrophysical Observations

Receipt and verification

First computed	2026-05-18T02:34:59.874603Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7302a6049655efb08f923478f653688392c7cf6dd0de1984803649f79b330c47

Aliases

arxiv: 0904.1382 · arxiv_version: 0904.1382v3 · doi: 10.48550/arxiv.0904.1382 · pith_short_12: OMBKMBEWKXX3 · pith_short_16: OMBKMBEWKXX3BD4S · pith_short_8: OMBKMBEW

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/OMBKMBEWKXX3BD4SGR4PMU3IQO \
  | 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: 7302a6049655efb08f923478f653688392c7cf6dd0de1984803649f79b330c47

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "324bdcdd2f884c27d42f849d9bd1469b0921a4be4220e07071f1969f1ad08b91",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2009-04-08T17:06:36Z",
    "title_canon_sha256": "fb98cebbf2120bda7d101521838a2c519289c19c24e7afe91e4738a37e183a35"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.1382",
    "kind": "arxiv",
    "version": 3
  }
}