Pith Number

pith:IYF7FWAR

pith:1995:IYF7FWARUCROELTTF7DKMDAR7A

not attested not anchored not stored refs pending

Small Scale Cosmological Perturbations: An Analytic Approach

Naoshi Sugiyama (Kyoto), Princeton), Wayne Hu (IAS

arxiv:astro-ph/9510117 v2 · 1995-10-23 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IYF7FWARUCROELTTF7DKMDAR7A}

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.

Cited by

12 papers in Pith

Three-form dark energy: constraints and multi-probe comparison with $\Lambda$CDM

HIcosmo: a differentiable JAX-based framework for cosmology inference

Growth of Structure in Multi-species Wave Dark Matter

Gravitational Waves from Black Hole Reheating: The Scalar-Induced Component

Gravitational particle production, the cosmological tensions and fast radio bursts

Receipt and verification

First computed	2026-07-04T15:46:39.902395Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

460bf2d811a0a2e22e732fc6a60c11f83b4d969b71cbae286873a2df7204e531

Aliases

arxiv: astro-ph/9510117 · arxiv_version: astro-ph/9510117v2 · doi: 10.48550/arxiv.astro-ph/9510117 · pith_short_12: IYF7FWARUCRO · pith_short_16: IYF7FWARUCROELTT · pith_short_8: IYF7FWAR

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/IYF7FWARUCROELTTF7DKMDAR7A \
  | 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: 460bf2d811a0a2e22e732fc6a60c11f83b4d969b71cbae286873a2df7204e531

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac19d516eafb21b36ef46ae3781ce9e66d154a6edec538254b37c9a4cbb94345",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1995-10-23T16:35:10Z",
    "title_canon_sha256": "b815eb0d0f66ad9b0700898ad287cc682054f2b5776749ed80c2c48ada7589f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9510117",
    "kind": "arxiv",
    "version": 2
  }
}