Pith Number

pith:VRKEXGDL

pith:2020:VRKEXGDL6YUHT3Q5XAFHA5VMGX

not attested not anchored not stored refs pending

The Megamaser Cosmology Project. XIII. Combined Hubble constant constraints

A. G. Riess, C. Henkel, C. M. V. Impellizzeri, C. Y. Kuo, D. Scolnic, D. W. Pesce, F. Gao, J. A. Braatz, J. J. Condon, K. Y. Lo, M. J. Reid

arxiv:2001.09213 v2 · 2020-01-24 · 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{VRKEXGDL6YUHT3Q5XAFHA5VMGX}

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

11 papers in Pith

The Hubble tension: A decade review

Cosmological Constraints on Minimal Cubic Galileon Models in Teleparallel Gravity

Dissipative Cosmology and the Nature of Dark Energy: Insights from Bulk Viscosity with DESI DR2 observations

Intertwined Constraints in Extended Cosmologies: Dark Energy, Curvature, Neutrinos, and Inflation

$\Lambda_{\rm s}$CDM cosmology from a type-II minimally modified gravity

Receipt and verification

First computed	2026-07-05T00:45:21.903691Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac544b986bf62879ee1db80a7076ac35d1ccc0e846c82a85397be3ae8e37137f

Aliases

arxiv: 2001.09213 · arxiv_version: 2001.09213v2 · doi: 10.48550/arxiv.2001.09213 · pith_short_12: VRKEXGDL6YUH · pith_short_16: VRKEXGDL6YUHT3Q5 · pith_short_8: VRKEXGDL

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/VRKEXGDL6YUHT3Q5XAFHA5VMGX \
  | 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: ac544b986bf62879ee1db80a7076ac35d1ccc0e846c82a85397be3ae8e37137f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a11c23ea3ae82b33a6ccefad204ca4aa466d6ee287134a994dfbf0c5d81ea73",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2020-01-24T22:18:18Z",
    "title_canon_sha256": "4097238cdbc0de17e3795fc05e6760018e9c742c29fe579f07a81b2c1607b1af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.09213",
    "kind": "arxiv",
    "version": 2
  }
}