Pith Number

pith:IXCM3DVC

pith:2025:IXCM3DVCSZFBA5WG6JIMFEJSWJ

not attested not anchored not stored refs pending

Accelerated expansion of the universe model with parametrization of $q(z)$ in $f(R,L_m)$ theory of gravity

G. P. Singh, Khomesh R. Patle, Romanshu Garg

arxiv:2506.15789 v1 · 2025-06-18 · 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{IXCM3DVCSZFBA5WG6JIMFEJSWJ}

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	2026-07-05T11:23:52.266060Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45c4cd8ea2964a1076c6f250c29132b26d73070eb1614e5a0c6e227948caebed

Aliases

arxiv: 2506.15789 · arxiv_version: 2506.15789v1 · doi: 10.48550/arxiv.2506.15789 · pith_short_12: IXCM3DVCSZFB · pith_short_16: IXCM3DVCSZFBA5WG · pith_short_8: IXCM3DVC

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/IXCM3DVCSZFBA5WG6JIMFEJSWJ \
  | 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: 45c4cd8ea2964a1076c6f250c29132b26d73070eb1614e5a0c6e227948caebed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c46c8c7456a227ee8610f3cfa2eef3c099457c513aa3bb14528cfd98b19d5841",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2025-06-18T18:17:13Z",
    "title_canon_sha256": "3cdd5c57f997a365e2099a9b5b9c6f5af3c1c376723bfc4afa186539453dd544"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.15789",
    "kind": "arxiv",
    "version": 1
  }
}