Pith Number

pith:4XNTYJWZ

pith:2020:4XNTYJWZZ5KLP2LN3ZY4JY6662

not attested not anchored not stored refs pending

Bayesian reconstruction of the inflaton's speed of sound using CMB data

Ana Ach\'ucarro, Guadalupe Ca\~nas-Herrera, Jes\'us Torrado

arxiv:2012.04640 v2 · 2020-12-08 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4XNTYJWZZ5KLP2LN3ZY4JY6662}

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

3 papers in Pith

Searching for primordial features with radio surveys: synergy between the power spectrum and bispectrum

Signals from the early Universe: a comprehensive search for primordial features in Planck CMB datasets

Primordial power spectrum reconstructions from BOSS + eBOSS

Receipt and verification

First computed	2026-07-05T02:51:12.386632Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5db3c26d9cf54b7e96dde71c4e3def69ff081fd52ecfc0cab8161f0307b156a

Aliases

arxiv: 2012.04640 · arxiv_version: 2012.04640v2 · doi: 10.48550/arxiv.2012.04640 · pith_short_12: 4XNTYJWZZ5KL · pith_short_16: 4XNTYJWZZ5KLP2LN · pith_short_8: 4XNTYJWZ

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/4XNTYJWZZ5KLP2LN3ZY4JY6662 \
  | 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: e5db3c26d9cf54b7e96dde71c4e3def69ff081fd52ecfc0cab8161f0307b156a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "70f12c2afe33d8c747b1646f41a3863a8fb8fc1428d1f12c1733120375ffbf3f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2020-12-08T18:56:49Z",
    "title_canon_sha256": "321ad49f397bc9b5063ddcc14d5cb9f57fab03614c44051c2cd327a9611208aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.04640",
    "kind": "arxiv",
    "version": 2
  }
}