Pith Number

pith:VYLUWOSQ

pith:2025:VYLUWOSQLGR5OV43H6VQHNYJNJ

not attested not anchored not stored refs pending

Cosmological model in the framework of $f(R,\mathcal{L}_{m})$ gravity with quadratic equation of state parameter

Saibal Ray, Vinod Kumar Bhardwaj

arxiv:2504.11422 v1 · 2025-04-15 · 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{VYLUWOSQLGR5OV43H6VQHNYJNJ}

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	2026-07-05T10:49:33.645134Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae174b3a5059a3d7579b3fab03b7096a76875da39e8eb618093c49870dbb26f6

Aliases

arxiv: 2504.11422 · arxiv_version: 2504.11422v1 · doi: 10.48550/arxiv.2504.11422 · pith_short_12: VYLUWOSQLGR5 · pith_short_16: VYLUWOSQLGR5OV43 · pith_short_8: VYLUWOSQ

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/VYLUWOSQLGR5OV43H6VQHNYJNJ \
  | 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: ae174b3a5059a3d7579b3fab03b7096a76875da39e8eb618093c49870dbb26f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "199619f7a310e20b777c66b4f4c942fb1aa0cf0ee80611f2997e6c84814bb32d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2025-04-15T17:37:28Z",
    "title_canon_sha256": "4c1a129ff5b713a770864daf74e5f693d5724c8c8fae49d5377dee5cb5e251d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.11422",
    "kind": "arxiv",
    "version": 1
  }
}