Pith Number

pith:7VKRETJ2

pith:2018:7VKRETJ2TLCSWUAUBDVHCZKVTW

not attested not anchored not stored refs pending

Constraint on energy-momentum squared gravity from neutron stars and its cosmological implications

John D. Barrow, K. Yavuz Ek\c{s}i, Nihan Katirci, Ozgur Akarsu, Sercan \c{C}{\i}k{\i}nto\u{g}lu

arxiv:1802.02093 v3 · 2018-02-06 · 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{7VKRETJ2TLCSWUAUBDVHCZKVTW}

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

Dynamics of the $N$-body system in energy-momentum squared gravity: II. Existence of a Self-Acceleration

Receipt and verification

First computed	2026-05-18T00:13:44.969786Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd55124d3a9ac52b501408ea7165559db15a0b27a114aed79ecaa513fafe255d

Aliases

arxiv: 1802.02093 · arxiv_version: 1802.02093v3 · doi: 10.48550/arxiv.1802.02093 · pith_short_12: 7VKRETJ2TLCS · pith_short_16: 7VKRETJ2TLCSWUAU · pith_short_8: 7VKRETJ2

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/7VKRETJ2TLCSWUAUBDVHCZKVTW \
  | 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: fd55124d3a9ac52b501408ea7165559db15a0b27a114aed79ecaa513fafe255d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4afd94b7c5fd4cf76874e25e4c88388045021393532f6d452780e0a6959a22d2",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-02-06T17:50:11Z",
    "title_canon_sha256": "23b00284bcb7e259bdb452e538e6fb43e4d9c5f5f628e452ba884f38eb6b053b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.02093",
    "kind": "arxiv",
    "version": 3
  }
}