Pith Number

pith:VHTNKGJJ

pith:2025:VHTNKGJJR3DUHHTEAHYAR7AHBD

not attested not anchored not stored refs pending

An independent estimate of H(z) at z = 0.5 from the stellar ages of brightest cluster galaxies

Adebusola B. Alabi, Catherine Cress, Matt Hilton, Narges Hatamkhani, Rosalind E. Skelton, S. Andile Nkosi, S. Ilani Loubser, Xin Tang, Yin-Zhe Ma

arxiv:2506.03836 v1 · 2025-06-04 · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VHTNKGJJR3DUHHTEAHYAR7AHBD}

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

1 paper in Pith

Latent-Space Gaussian Processes for Dark-Energy Reconstruction from Observational \(H(z)\) Data

Receipt and verification

First computed	2026-07-05T11:15:52.623374Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9e6d519298ec7439e6401f008fc0708d7897265904ced8c9a7121bcfdb61c12

Aliases

arxiv: 2506.03836 · arxiv_version: 2506.03836v1 · doi: 10.48550/arxiv.2506.03836 · pith_short_12: VHTNKGJJR3DU · pith_short_16: VHTNKGJJR3DUHHTE · pith_short_8: VHTNKGJJ

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/VHTNKGJJR3DUHHTEAHYAR7AHBD \
  | 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: a9e6d519298ec7439e6401f008fc0708d7897265904ced8c9a7121bcfdb61c12

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03914c4e5ecca88071c76d6f04addf38dc204c293e871c1c95b0dc20e66c6306",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2025-06-04T11:06:29Z",
    "title_canon_sha256": "08d015b96e68cba90087e11920b1e948aa4299832aa1e73f31d268ed7c9c407c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.03836",
    "kind": "arxiv",
    "version": 1
  }
}