Pith Number

pith:NCM5OICW

pith:2020:NCM5OICWV7ISIHATWDYBNZAYM6

not attested not anchored not stored refs pending

Radial oscillations and stability of compact stars in $f(R, T) = R+ 2\beta T$ gravity

Jos\'e D. V. Arba\~nil, Juan M. Z. Pretel, Ribamar R. R. Reis, Sergio E. Jor\'as

arxiv:2012.03342 v2 · 2020-12-06 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NCM5OICWV7ISIHATWDYBNZAYM6}

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.

Receipt and verification

First computed	2026-07-05T02:34:21.033051Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6899d72056afd1241c13b0f016e41867bae49d0df16544245815062e48befbb6

Aliases

arxiv: 2012.03342 · arxiv_version: 2012.03342v2 · doi: 10.48550/arxiv.2012.03342 · pith_short_12: NCM5OICWV7IS · pith_short_16: NCM5OICWV7ISIHAT · pith_short_8: NCM5OICW

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/NCM5OICWV7ISIHATWDYBNZAYM6 \
  | 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: 6899d72056afd1241c13b0f016e41867bae49d0df16544245815062e48befbb6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "05a55a836da31ffd16f3006bd39aaa92259f8dc051da67ea378c9db0b793ce63",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2020-12-06T17:59:27Z",
    "title_canon_sha256": "952780805690f9058ed2ff019341f7c7da17a5208afaec5ce7db7d946bd38a6d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.03342",
    "kind": "arxiv",
    "version": 2
  }
}