Pith Number

pith:URZ7FCMA

pith:2014:URZ7FCMAEHA6E2OXVVJKTEPK7T

not attested not anchored not stored refs pending

Collapsing spherical stars in f(R) gravity

Anne Marie Nzioki, Rituparno Goswami, Sunil. D. Maharaj, Sushant G. Ghosh

arxiv:1409.2371 v2 · 2014-09-08 · 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{URZ7FCMAEHA6E2OXVVJKTEPK7T}

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

Oppenheimer-Snyder Collapse in f(R) Gravity : Stalemate or Resolution?

Receipt and verification

First computed	2026-05-18T02:40:09.888866Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a473f2898021c1e269d7ad52a991eafce5c91fb314aa6e3fe6f85cf0ccf82200

Aliases

arxiv: 1409.2371 · arxiv_version: 1409.2371v2 · doi: 10.48550/arxiv.1409.2371 · pith_short_12: URZ7FCMAEHA6 · pith_short_16: URZ7FCMAEHA6E2OX · pith_short_8: URZ7FCMA

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/URZ7FCMAEHA6E2OXVVJKTEPK7T \
  | 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: a473f2898021c1e269d7ad52a991eafce5c91fb314aa6e3fe6f85cf0ccf82200

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2174b4ba581f3377dc47283c417dfdd98d447202084c5ec0606a7eef05f93b82",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2014-09-08T14:40:16Z",
    "title_canon_sha256": "3ccdc771e6bead3e92d98cb95c9e258dd99e645cb8a4e345755de8bc2b0c00bd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.2371",
    "kind": "arxiv",
    "version": 2
  }
}