Pith Number

pith:CVXYSK3W

pith:2019:CVXYSK3WW3UDX5PE22YFR53LGC

not attested not anchored not stored refs pending

Cherenkov in the Sky: Measuring the Sound Speed of Primordial Scalar Fluctuations

Ali Akbar Abolhasani, Sadra Jazayeri

arxiv:1904.05589 v2 · 2019-04-11 · 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{CVXYSK3WW3UDX5PE22YFR53LGC}

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.

Cited by

1 paper in Pith

Every Wrinkle Carries A Memory: An Integro-differential Bootstrap for Features in Cosmological Correlators

Receipt and verification

First computed	2026-05-17T23:39:44.279583Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

156f892b76b6e83bf5e4d6b058f76b3096a90d8979a167d6ebbedb9d335c7727

Aliases

arxiv: 1904.05589 · arxiv_version: 1904.05589v2 · doi: 10.48550/arxiv.1904.05589 · pith_short_12: CVXYSK3WW3UD · pith_short_16: CVXYSK3WW3UDX5PE · pith_short_8: CVXYSK3W

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/CVXYSK3WW3UDX5PE22YFR53LGC \
  | 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: 156f892b76b6e83bf5e4d6b058f76b3096a90d8979a167d6ebbedb9d335c7727

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c3d8b2da8a4b86d0bd601b4c33577dca316efaa6d6df5cc1af7201abc5dac5b",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2019-04-11T09:07:54Z",
    "title_canon_sha256": "f95af471d30fa26cd65879e429106bebe2260a08c9db5321a9e6813f0bef83dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.05589",
    "kind": "arxiv",
    "version": 2
  }
}