Pith Number

pith:L75IA5NF

pith:2009:L75IA5NFRMWZQFB6FR6R56WQUK

not attested not anchored not stored refs pending

An introduction to inflation and cosmological perturbation theory

Allahabad), L. Sriramkumar (HRI

arxiv:0904.4584 v1 · 2009-04-29 · astro-ph.CO · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L75IA5NFRMWZQFB6FR6R56WQUK}

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

8 papers in Pith

Exploring Gravitational Wave Signatures Due to Primordial Non-gaussianity and Large Scale Structure Using SKAO

Precision Inflationary Predictions: Impact of Accurate End-of-Inflation Dynamics

Primary gravitational waves at high frequencies II: Emergence of the exponential cut-off in the power spectrum

Primary gravitational waves at high frequencies I: Origin of suppression in the power spectrum

Bipartite temporal Bell inequality for squeezed coherent state of inflationary perturbations

Receipt and verification

First computed	2026-07-05T08:40:02.096188Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ffa8075a58b2d98143e2c7d1efad0a2b9d63e280b75c554a6c1f98f8003711d

Aliases

arxiv: 0904.4584 · arxiv_version: 0904.4584v1 · doi: 10.48550/arxiv.0904.4584 · pith_short_12: L75IA5NFRMWZ · pith_short_16: L75IA5NFRMWZQFB6 · pith_short_8: L75IA5NF

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/L75IA5NFRMWZQFB6FR6R56WQUK \
  | 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: 5ffa8075a58b2d98143e2c7d1efad0a2b9d63e280b75c554a6c1f98f8003711d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2bea97b42afa05739a9da9fe494d651a3218c190c5c34399f2378f9f3cee4c6d",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-04-29T11:33:15Z",
    "title_canon_sha256": "6460eba018a58f26c4e587b0dafb9901b80729431715c3bea69bc98b942f56ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.4584",
    "kind": "arxiv",
    "version": 1
  }
}