Pith Number

pith:K5SWGQ2V

pith:2023:K5SWGQ2V3XMXRLL6NIOO47LCKK

not attested not anchored not stored refs pending

The Hubble Constant: A Historical Review

R. Brent Tully

arxiv:2305.11950 v1 · 2023-05-19 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K5SWGQ2V3XMXRLL6NIOO47LCKK}

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

Distance-Ladder Measurements of the Hubble Constant: Recent Progress, Systematics, and Prospects

The Hubble tension: A decade review

LEGGOS II: A Strong Lens Model and Source-Plane Projection of the Clumpy Star-Forming Galaxy SGASJ111020.0+645950.8 at z=2.48

Microlensing time-scales and flux magnification probabilities of a sample of 204 lensed quasars

Receipt and verification

First computed	2026-07-05T06:12:04.904492Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5765634355ddd978ad7e6a1cee7d6252a991853e5935e99e9c53f58cd9740c97

Aliases

arxiv: 2305.11950 · arxiv_version: 2305.11950v1 · doi: 10.48550/arxiv.2305.11950 · pith_short_12: K5SWGQ2V3XMX · pith_short_16: K5SWGQ2V3XMXRLL6 · pith_short_8: K5SWGQ2V

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/K5SWGQ2V3XMXRLL6NIOO47LCKK \
  | 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: 5765634355ddd978ad7e6a1cee7d6252a991853e5935e99e9c53f58cd9740c97

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9233911f3d0ec6a4f992b43497300f937589ef248a7ba2c46b3f4f7af49aa97c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2023-05-19T18:16:12Z",
    "title_canon_sha256": "9b81d87d3a41c4e2f8353c8e3d9577621b97ab89f0143af11f455179a1dac920"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2305.11950",
    "kind": "arxiv",
    "version": 1
  }
}