Pith Number

pith:IHRMLHLQ

pith:2009:IHRMLHLQTWKXVTGAS7NVVSTNRM

not attested not anchored not stored refs pending

The tensor-to-scalar ratio in punctuated inflation

Allahabad), L. Sriramkumar (HRI, Pravabati Chingangbam (KIAS, Pune), Rajeev Kumar Jain (HRI, Seoul), Tarun Souradeep (IUCAA

arxiv:0904.2518 v2 · 2009-04-16 · 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{IHRMLHLQTWKXVTGAS7NVVSTNRM}

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

2 papers in Pith

ACT-ing on inflation: Implications of non Bunch-Davies initial condition and reheating on single-field slow roll models

Reconstructing inflationary features on large scales using genetic algorithm

Receipt and verification

First computed	2026-05-18T02:34:59.695571Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

41e2c59d709d957accc097db5aca6d8b3a6ad0cae2e696f6dccd574f850f30fa

Aliases

arxiv: 0904.2518 · arxiv_version: 0904.2518v2 · doi: 10.48550/arxiv.0904.2518 · pith_short_12: IHRMLHLQTWKX · pith_short_16: IHRMLHLQTWKXVTGA · pith_short_8: IHRMLHLQ

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/IHRMLHLQTWKXVTGAS7NVVSTNRM \
  | 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: 41e2c59d709d957accc097db5aca6d8b3a6ad0cae2e696f6dccd574f850f30fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bcbb1be49c9d4aecb1d31762a2bd2f898947132cfb997239330a6996bc0627ab",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-04-16T15:20:09Z",
    "title_canon_sha256": "ecd7341af8182512e26a17341c21851a39f1dbba8fbeb34e31173c00a71890b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.2518",
    "kind": "arxiv",
    "version": 2
  }
}