Pith Number

pith:QENPHUDV

pith:2021:QENPHUDVGG3YSG6KGDK4NM2NPJ

not attested not anchored not stored refs pending

Machine Learning improved fits of the sound horizon at the baryon drag epoch

Andoni Aizpuru, Rub\'en Arjona, Savvas Nesseris

arxiv:2106.00428 v2 · 2021-06-01 · astro-ph.CO · gr-qc · hep-ph

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QENPHUDVGG3YSG6KGDK4NM2NPJ}

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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

5 papers in Pith

Local Conformal Predictions for Calibrated Surrogates

Generalizing the CPL Parametrization through Dark Sector Interaction

A Spectrum of Cosmological Rips and Their Observational Signatures

Redshift evolution of the Hubble constant: Constraints and new insights from an interacting dark energy model

Generalizing the CPL Parametrization through Dark Sector Interaction

Receipt and verification

First computed	2026-07-05T03:09:06.872675Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

811af3d07531b7891bca30d5c6b34d7a4ab008a03a2214d29a1528c8b3f37f2f

Aliases

arxiv: 2106.00428 · arxiv_version: 2106.00428v2 · doi: 10.48550/arxiv.2106.00428 · pith_short_12: QENPHUDVGG3Y · pith_short_16: QENPHUDVGG3YSG6K · pith_short_8: QENPHUDV

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/QENPHUDVGG3YSG6KGDK4NM2NPJ \
  | 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: 811af3d07531b7891bca30d5c6b34d7a4ab008a03a2214d29a1528c8b3f37f2f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4960924ba393e7b901e3a3e70fd01b54a74f0480f9ece4ae1d7a3795146c5d22",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2021-06-01T12:21:02Z",
    "title_canon_sha256": "debc2174b0a1815f2ab609e7e10253261517c48b220e15d3e3c853436f1e4a5a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.00428",
    "kind": "arxiv",
    "version": 2
  }
}