Pith Number

pith:DQ7SBPZA

pith:2015:DQ7SBPZAIODGD3PVRUQ4IH2TXG

not attested not anchored not stored refs pending

The Mass-Radius relation for Neutron Stars in $f(R)$ gravity

Mariafelicia De Laurentis, Ruben Farinelli, Salvatore Capozziello, Sergei D. Odintsov

arxiv:1509.04163 v3 · 2015-09-10 · gr-qc · astro-ph.HE · hep-th

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\usepackage{pith}
\pithnumber{DQ7SBPZAIODGD3PVRUQ4IH2TXG}

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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

Neutron stars more compact than black holes in quasi-topological gravity: Equilibrium configurations and radial stability

Neutron stars in a conservative $f(R,T)$ gravity

Receipt and verification

First computed	2026-05-18T01:23:03.167126Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c3f20bf20438661edf58d21c41f53b9aac36e782ae433e2fc2fb532e4483337

Aliases

arxiv: 1509.04163 · arxiv_version: 1509.04163v3 · doi: 10.48550/arxiv.1509.04163 · pith_short_12: DQ7SBPZAIODG · pith_short_16: DQ7SBPZAIODGD3PV · pith_short_8: DQ7SBPZA

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/DQ7SBPZAIODGD3PVRUQ4IH2TXG \
  | 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: 1c3f20bf20438661edf58d21c41f53b9aac36e782ae433e2fc2fb532e4483337

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f1d5693b4e1e0fdd2b47d01a19f5222848175b698d3ac1a977d69fca3dc12c4",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-09-10T23:55:40Z",
    "title_canon_sha256": "4801798e9b5cea46965dd532200c70646e91368db4961a6430833ff62cd794e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.04163",
    "kind": "arxiv",
    "version": 3
  }
}