Pith Number

pith:K2VNO5X5

pith:2014:K2VNO5X5KSNDMBBCWLI2MZPPFO

not attested not anchored not stored refs pending

Inflation with moderately sharp features in the speed of sound: GSR and in-in formalism for power spectrum and bispectrum

Ana Achucarro, Bin Hu, Jesus Torrado, Pablo Ortiz, Vicente Atal

arxiv:1404.7522 v2 · 2014-04-29 · astro-ph.CO · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K2VNO5X5KSNDMBBCWLI2MZPPFO}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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.

Receipt and verification

First computed	2026-05-18T01:30:01.330748Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56aad776fd549a360422b2d1a665ef2b8dcd3b0ec5dd14580338ff2509a32eb1

Aliases

arxiv: 1404.7522 · arxiv_version: 1404.7522v2 · doi: 10.48550/arxiv.1404.7522 · pith_short_12: K2VNO5X5KSND · pith_short_16: K2VNO5X5KSNDMBBC · pith_short_8: K2VNO5X5

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/K2VNO5X5KSNDMBBCWLI2MZPPFO \
  | 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: 56aad776fd549a360422b2d1a665ef2b8dcd3b0ec5dd14580338ff2509a32eb1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b5563a8c172507004e40171810ffe44a6ad8c6cf8866dde36f167c403f8523d3",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2014-04-29T20:45:06Z",
    "title_canon_sha256": "c57c0c3886376310d3451f2556b25ec69f7909473bf6099e049c5ab6daba767d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.7522",
    "kind": "arxiv",
    "version": 2
  }
}