Pith Number

pith:4PRKPFBK

pith:2018:4PRKPFBKIPXFLL7BD2QUM3DIRC

not attested not anchored not stored refs pending

Compact Astrophysical Objects in $f(R,T)$ gravity

E. Otoniel, G.A. Carvalho, J.D.V. Arba\~nil, M. Malheiro, P.H.R.S. Moraes, R.M. Marinho Jr., R.V. Lobato

arxiv:1806.04123 v4 · 2018-06-11 · 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{4PRKPFBKIPXFLL7BD2QUM3DIRC}

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	2026-05-18T00:07:58.188593Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3e2a7942a43ee55afe11ea1466c6888bc79d55d61b5aa611eedf20910d74137

Aliases

arxiv: 1806.04123 · arxiv_version: 1806.04123v4 · doi: 10.48550/arxiv.1806.04123 · pith_short_12: 4PRKPFBKIPXF · pith_short_16: 4PRKPFBKIPXFLL7B · pith_short_8: 4PRKPFBK

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/4PRKPFBKIPXFLL7BD2QUM3DIRC \
  | 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: e3e2a7942a43ee55afe11ea1466c6888bc79d55d61b5aa611eedf20910d74137

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e90d53ed07ebee3661c23af9808222173b919f02102a72ac12b66090b87df131",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-06-11T17:44:23Z",
    "title_canon_sha256": "71dfabc5a920db2da7910aa4aff0fe8a30506a1be024671445be8197265ff429"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.04123",
    "kind": "arxiv",
    "version": 4
  }
}