Pith Number

pith:SRO4UAJ2

pith:2025:SRO4UAJ2OHTPTZXIJ73WB2X5IK

not attested not anchored not stored refs pending

Decoupling perturbations from background in $f(Q)$ gravity: the square-root correction and the impact on the $\sigma_8$ tension

Chunyu Li, Emmanuel N. Saridakis, Xin Ren, Yi-Fu Cai, Yuhang Yang

arxiv:2512.16551 v3 · 2025-12-18 · 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{SRO4UAJ2OHTPTZXIJ73WB2X5IK}

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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.

Cited by

4 papers in Pith

Evidence for deviation in gravitational light deflection from general relativity at cosmological scales with KiDS-Legacy and CMB lensing

The Amplitude-Growth Degeneracy and Implied $A_s$ Diagnostic for Background-Inert Modified Gravity

Perturbation Dynamics and Structure Formation in Extended Proca-Nuevo Gravity

Beyond the Cosmological Constant: Breaking the Geometric Degeneracy of $ f(Q) $ cosmology via Redshift-Space Distortions

Receipt and verification

First computed	2026-05-26T02:05:04.668363Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

945dca013a71e6f9e6e84ff760eafd42ab59bddc54a4c6659c7a97d4b74d01ce

Aliases

arxiv: 2512.16551 · arxiv_version: 2512.16551v3 · doi: 10.48550/arxiv.2512.16551 · pith_short_12: SRO4UAJ2OHTP · pith_short_16: SRO4UAJ2OHTPTZXI · pith_short_8: SRO4UAJ2

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/SRO4UAJ2OHTPTZXIJ73WB2X5IK \
  | 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: 945dca013a71e6f9e6e84ff760eafd42ab59bddc54a4c6659c7a97d4b74d01ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "59251e70577f0408bbe422c3d193681281c0c6eca47e4afb5d146d0fc13be1af",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2025-12-18T13:55:56Z",
    "title_canon_sha256": "fed503f359eeb3d553ac40b9882fa5aa3c56e6b09506904b37127823e59f9232"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2512.16551",
    "kind": "arxiv",
    "version": 3
  }
}