Pith Number

pith:UXCJEBFT

pith:1993:UXCJEBFT6CWF6XIY5RTWCCQJ2X

not attested not anchored not stored refs pending

The Cold Dark Matter Density Perturbation

Andrew R Liddle, David H Lyth

arxiv:astro-ph/9303019 v1 · 1993-03-31 · astro-ph · gr-qc · hep-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{UXCJEBFT6CWF6XIY5RTWCCQJ2X}

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

6 papers in Pith

Reconstructing slow-roll Scalar-Tensor Gauss-Bonnet single field inflation from running spectral data

Imperfect dark matter with higher derivatives

Nonlinear Lattice Framework for Inflation: Bridging stochastic inflation and the $\delta{N}$ formalism

Primordial black hole dark matter from axion inflation

Constraints on the inflationary vacuum and reheating era from NANOGrav

Receipt and verification

First computed	2026-05-18T04:34:35.909371Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5c49204b3f0ac5f5d18ec67610a09d5e9764970a3837220f6f4276490e1bb0d

Aliases

arxiv: astro-ph/9303019 · arxiv_version: astro-ph/9303019v1 · doi: 10.48550/arxiv.astro-ph/9303019 · pith_short_12: UXCJEBFT6CWF · pith_short_16: UXCJEBFT6CWF6XIY · pith_short_8: UXCJEBFT

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/UXCJEBFT6CWF6XIY5RTWCCQJ2X \
  | 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: a5c49204b3f0ac5f5d18ec67610a09d5e9764970a3837220f6f4276490e1bb0d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d961dcf942251f8fc518df401767ee2918ccceb6dbfca55f5b95daca320a3ff1",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1993-03-31T10:21:00Z",
    "title_canon_sha256": "a4dd0e1eecb50a22c7167eaf71063c7edfbeee3901887bc4df2f0fc63f915bf7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9303019",
    "kind": "arxiv",
    "version": 1
  }
}