Pith. sign in
Pith Number

pith:YO5PHIQY

pith:2019:YO5PHIQYVB3UBOICJRCBCNRZPM
not attested not anchored not stored refs pending

Neutron stars in $f(R)$ gravity and scalar-tensor theories

Ryotaro Kase, Shinji Tsujikawa

arxiv:1906.08954 v3 · 2019-06-21 · gr-qc · astro-ph.CO · hep-ph · hep-th

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{YO5PHIQYVB3UBOICJRCBCNRZPM}

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

Receipt and verification
First computed 2026-07-05T00:09:25.966773Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

c3baf3a218a87740b9024c441136397b3053560fc44ab6e0d043c490c015e941

Aliases

arxiv: 1906.08954 · arxiv_version: 1906.08954v3 · doi: 10.48550/arxiv.1906.08954 · pith_short_12: YO5PHIQYVB3U · pith_short_16: YO5PHIQYVB3UBOIC · pith_short_8: YO5PHIQY
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/YO5PHIQYVB3UBOICJRCBCNRZPM \
  | 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: c3baf3a218a87740b9024c441136397b3053560fc44ab6e0d043c490c015e941
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "49a20c8798540e34d5a7be6d472b6e6b3e96d67690dab06424d52a2f4c4b0a5d",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-ph",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-06-21T05:39:58Z",
    "title_canon_sha256": "480f0376f99b243517d27ada9bfb4058e8c3a43a7e618b812ec5f6a8e4891579"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.08954",
    "kind": "arxiv",
    "version": 3
  }
}