Pith Number

pith:OXCXYSCC

pith:2026:OXCXYSCCWN2OH62QVM7YA6COS6

not attested not anchored not stored refs pending

Cosmological perturbations with $f(R)$ gravity scalarons : Galaxy power spectra and the scalaron mass

Abhijit Talukdar, Sanjeev Kalita, Shadab Alam

arxiv:2605.20227 v1 · 2026-05-15 · astro-ph.CO · 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{OXCXYSCCWN2OH62QVM7YA6COS6}

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	2026-05-21T00:04:21.802864Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75c57c4842b374e3fb50ab3f80784e9792a3be34643a6594587badadffc586ec

Aliases

arxiv: 2605.20227 · arxiv_version: 2605.20227v1 · doi: 10.48550/arxiv.2605.20227 · pith_short_12: OXCXYSCCWN2O · pith_short_16: OXCXYSCCWN2OH62Q · pith_short_8: OXCXYSCC

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/OXCXYSCCWN2OH62QVM7YA6COS6 \
  | 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: 75c57c4842b374e3fb50ab3f80784e9792a3be34643a6594587badadffc586ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01082405e4c9f9a639555d11ebcaa45e730281c429bbdd87d04663192135fed2",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2026-05-15T08:22:42Z",
    "title_canon_sha256": "187119076abce298103a5a2ebb9357c96fa16c62e5a643115872bb6911355bd3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.20227",
    "kind": "arxiv",
    "version": 1
  }
}