Pith Number

pith:6OVHWMXS

pith:2024:6OVHWMXSEKXILI4J5VCUHPJHTI

not attested not anchored not stored refs pending

A dark standard siren measurement of the Hubble constant following LIGO/Virgo/KAGRA O4a and previous runs

A. Palmese, A. Santos, C. R. Bom, G. Teixeira, L. Santana-Silva, P. Darc, V. Alfradique

arxiv:2404.16092 v2 · 2024-04-24 · 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{6OVHWMXSEKXILI4J5VCUHPJHTI}

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.

Receipt and verification

First computed	2026-07-05T09:21:43.860540Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f3aa7b32f222ae85a389ed4543bd279a0460d1edf2a0c1946035a76651cbf9b6

Aliases

arxiv: 2404.16092 · arxiv_version: 2404.16092v2 · doi: 10.48550/arxiv.2404.16092 · pith_short_12: 6OVHWMXSEKXI · pith_short_16: 6OVHWMXSEKXILI4J · pith_short_8: 6OVHWMXS

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/6OVHWMXSEKXILI4J5VCUHPJHTI \
  | 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: f3aa7b32f222ae85a389ed4543bd279a0460d1edf2a0c1946035a76651cbf9b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "65fea0d916b00ffe7cccaa3595c50a8c02751e416fb368cf2f3270ee0008810c",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2024-04-24T18:00:01Z",
    "title_canon_sha256": "031c6507af8ec957e5070edb894c86dee31cf163282f351f7c6a9cbbde2b1893"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2404.16092",
    "kind": "arxiv",
    "version": 2
  }
}