Pith Number

pith:U7TOT6DJ

pith:2019:U7TOT6DJ7WQVKU6X2ZOVYVL4PN

not attested not anchored not stored refs pending

An Improved Distance to NGC 4258 and its Implications for the Hubble Constant

A. G. Riess, D. W. Pesce, M. J. Reid

arxiv:1908.05625 v2 · 2019-08-15 · astro-ph.GA · 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{U7TOT6DJ7WQVKU6X2ZOVYVL4PN}

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

Redshift Duality with Pantheon+SH0ES in a Planck-anchored Flat $\Lambda$CDM Framework: Implications for Hubble Tension and Observational Inference

Receipt and verification

First computed	2026-07-05T00:31:55.303289Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7e6e9f869fda15553d7d65d5c557c7b57e98e9f2ead1a0e3d827dd15c14c231

Aliases

arxiv: 1908.05625 · arxiv_version: 1908.05625v2 · doi: 10.48550/arxiv.1908.05625 · pith_short_12: U7TOT6DJ7WQV · pith_short_16: U7TOT6DJ7WQVKU6X · pith_short_8: U7TOT6DJ

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/U7TOT6DJ7WQVKU6X2ZOVYVL4PN \
  | 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: a7e6e9f869fda15553d7d65d5c557c7b57e98e9f2ead1a0e3d827dd15c14c231

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d062ed148e5b8ad6f4a239b1c1ba307fc8e9e9406b9e16e9e5eaff8169323cb",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-08-15T16:33:26Z",
    "title_canon_sha256": "f159cd8dab3b5a46cb13b394dec3909374215c2d289d515faa5d9e973bca8dd1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.05625",
    "kind": "arxiv",
    "version": 2
  }
}