Pith. sign in
Pith Number

pith:6VOGTCJQ

pith:2021:6VOGTCJQBAAS7B74QVWWOYWONG
not attested not anchored not stored refs pending

Cosmology with a new f(R) gravity model in Palatini formalism

Dhruba Jyoti Gogoi, Umananda Dev Goswami

arxiv:2108.01409 v2 · 2021-08-03 · gr-qc

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{6VOGTCJQBAAS7B74QVWWOYWONG}

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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.
Receipt and verification
First computed 2026-07-05T04:24:35.059255Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

f55c69893008012f87fc856d6762ce69be554b2aed3037b4e77ddade326484ca

Aliases

arxiv: 2108.01409 · arxiv_version: 2108.01409v2 · doi: 10.48550/arxiv.2108.01409 · pith_short_12: 6VOGTCJQBAAS · pith_short_16: 6VOGTCJQBAAS7B74 · pith_short_8: 6VOGTCJQ
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/6VOGTCJQBAAS7B74QVWWOYWONG \
  | 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: f55c69893008012f87fc856d6762ce69be554b2aed3037b4e77ddade326484ca
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "f80f4f0cb0a3b92b7776f233b9cf53ec539906642f68fcda7202c1e8ffe44d91",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2021-08-03T10:52:59Z",
    "title_canon_sha256": "fb2e2c2f24580979165afaf49df95ae6846c7a381875efe26806ac4859edef26"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.01409",
    "kind": "arxiv",
    "version": 2
  }
}