Pith Number

pith:43JOEN5V

pith:2021:43JOEN5VJUTAHATKJXJDVJVUQY

not attested not anchored not stored refs pending

The iron and oxygen content of LMC Classical Cepheids and its implications for the Extragalactic Distance Scale and Hubble constant

Adam Riess, Alessio Mucciarelli, Lucas Macri, Martino Romaniello, Richard I. Anderson, Rolf-Peter Kudritzki, Sara Mancino, Wenlong Yuan, Wolfram Freudling

arxiv:2110.08860 v2 · 2021-10-17 · 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{43JOEN5VJUTAHATKJXJDVJVUQY}

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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

A Comprehensive Measurement of the Local Value of the Hubble Constant with 1 km/s/Mpc Uncertainty from the Hubble Space Telescope and the SH0ES Team

Receipt and verification

First computed	2026-07-05T04:33:24.003753Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6d2e237b54d2603826a4dd23aa6b48638340de0fb8ed3c62a0a3e925e0d3347

Aliases

arxiv: 2110.08860 · arxiv_version: 2110.08860v2 · doi: 10.48550/arxiv.2110.08860 · pith_short_12: 43JOEN5VJUTA · pith_short_16: 43JOEN5VJUTAHATK · pith_short_8: 43JOEN5V

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/43JOEN5VJUTAHATKJXJDVJVUQY \
  | 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: e6d2e237b54d2603826a4dd23aa6b48638340de0fb8ed3c62a0a3e925e0d3347

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c1a073eeec1e95aa4c5249a19038c97359b152281fe727e188a9251a8e3c4ad",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2021-10-17T16:10:24Z",
    "title_canon_sha256": "869923c98b5715f723c84e04f6840b2c1209910e3aa3ad80ed7363de427441bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.08860",
    "kind": "arxiv",
    "version": 2
  }
}