Pith Number

pith:CGZHLFA3

pith:2019:CGZHLFA3D3V4LUICIZJJXV2PJF

not attested not anchored not stored refs pending

A Future Percent-Level Measurement of the Hubble Expansion at Redshift 0.8 With Advanced LIGO

Daniel Holz, Jiani Ye, Maya Fishbach, Will M. Farr

arxiv:1908.09084 v2 · 2019-08-24 · 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{CGZHLFA3D3V4LUICIZJJXV2PJF}

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

4 papers in Pith

Gaussian Process Reconstruction of Cosmological Parameters with Gravitational Wave Sirens using Machine Learning

Gravitational-wave constraints on $H_0$ are robust to (putative) redshift evolution in the binary black hole mass spectrum at current sensitivity

On the use of the Derivative Approximation for Likelihoods for Gravitational Wave Inference

End-to-End Population Inference from Gravitational-Wave Strain using Transformers

Receipt and verification

First computed	2026-07-05T00:08:37.895394Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

11b275941b1eebc5d10246529bd74f495b1ad07864fccd3e7af064e1975c65d0

Aliases

arxiv: 1908.09084 · arxiv_version: 1908.09084v2 · doi: 10.48550/arxiv.1908.09084 · pith_short_12: CGZHLFA3D3V4 · pith_short_16: CGZHLFA3D3V4LUIC · pith_short_8: CGZHLFA3

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/CGZHLFA3D3V4LUICIZJJXV2PJF \
  | 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: 11b275941b1eebc5d10246529bd74f495b1ad07864fccd3e7af064e1975c65d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "839b2d3f4ac6f3e745395a2150c17b0f8905f7761756d4270d5eb9ba8fa3a21d",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2019-08-24T03:28:35Z",
    "title_canon_sha256": "d8c315b6ee3d843ebbca7ed0df2648c6b3e3d75d72625fdf2c4c2ddaeb7032d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.09084",
    "kind": "arxiv",
    "version": 2
  }
}