Pith Number

pith:RKVK657E

pith:2021:RKVK657ECNX27IAJ3LXAR5XPN2

not attested not anchored not stored refs pending

Anisotropic compact stars in $f(R)$ gravity

G.G.L. Nashed, S. Capozziello

arxiv:2105.11975 v3 · 2021-05-22 · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RKVK657ECNX27IAJ3LXAR5XPN2}

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

Null geodesics, causal structure, and matter accretion in Lorentzian-Euclidean black holes

Receipt and verification

First computed	2026-07-05T02:45:38.534821Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8aaaaf77e4136fafa009daee08f6ef6e8a99f43ca27d5ccdfc5fe55ef8bfd47b

Aliases

arxiv: 2105.11975 · arxiv_version: 2105.11975v3 · doi: 10.48550/arxiv.2105.11975 · pith_short_12: RKVK657ECNX2 · pith_short_16: RKVK657ECNX27IAJ · pith_short_8: RKVK657E

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/RKVK657ECNX27IAJ3LXAR5XPN2 \
  | 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: 8aaaaf77e4136fafa009daee08f6ef6e8a99f43ca27d5ccdfc5fe55ef8bfd47b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e8817615650b41d348f49890e0a56d36c104f8f6bd5a8fd4bd230bd1246365ea",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2021-05-22T09:09:03Z",
    "title_canon_sha256": "01337281c20fef2c41f77a9230482af602d48fba6da3c7ea36ac9305561a0440"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.11975",
    "kind": "arxiv",
    "version": 3
  }
}