Pith Number

pith:KAQ4RXMX

pith:2025:KAQ4RXMXITCLUIDD2DMWTSQC67

not attested not anchored not stored refs pending

Refined Constraints on the Hubble Constant from Localized FRBs with Assessment of Systematic Effects

Chenyuan Xu, Jiaying Xu, Yi Feng

arxiv:2507.18946 v1 · 2025-07-25 · astro-ph.CO · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KAQ4RXMXITCLUIDD2DMWTSQC67}

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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

2 papers in Pith

Generalized Distributions of Host Dispersion Measures in the Fast Radio Burst Cosmology

Dispersion Measure Distribution of Unlocalized Fast Radio Bursts as a Probe of the Hubble Constant

Receipt and verification

First computed	2026-07-05T11:43:16.709792Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5021c8dd9744c4ba2063d0d969ca02f7c32a19886f9bbf6896bf534a8547c2a8

Aliases

arxiv: 2507.18946 · arxiv_version: 2507.18946v1 · doi: 10.48550/arxiv.2507.18946 · pith_short_12: KAQ4RXMXITCL · pith_short_16: KAQ4RXMXITCLUIDD · pith_short_8: KAQ4RXMX

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/KAQ4RXMXITCLUIDD2DMWTSQC67 \
  | 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: 5021c8dd9744c4ba2063d0d969ca02f7c32a19886f9bbf6896bf534a8547c2a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea910ec1f070868e7b65a17442095cd56ef196e02f638a18de3d90cffa0f39a4",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2025-07-25T04:31:11Z",
    "title_canon_sha256": "974c18eca984d1bf7fd33e317c78deca6bf38c23774f24904269cac15416670d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.18946",
    "kind": "arxiv",
    "version": 1
  }
}