Pith Number

pith:SH5L34PP

pith:2018:SH5L34PP3NB5WVIWBLP6B6NWL6

not attested not anchored not stored refs pending

Milky Way Cepheid Standards for Measuring Cosmic Distances and Application to Gaia DR2: Implications for the Hubble Constant

Adam G. Riess, Alexei V. Filippenko, Beatrice Bucciarelli, Caroline Huang, J. Bradley Bowers, John W. MacKenty, Lucas Macri, Mario G. Lattanzi, Richard I. Anderson, Stefano Casertano, Weikang Zheng, Wenlong Yuan

arxiv:1804.10655 v2 · 2018-04-27 · astro-ph.CO · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SH5L34PP3NB5WVIWBLP6B6NWL6}

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

2 papers in Pith

Astronomical distance scales in the Gaia era

The Hubble Tension and Early Dark Energy

Receipt and verification

First computed	2026-05-18T00:09:59.590545Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

91fabdf1efdb43db55160adfe0f9b65fa91f373a534e4041d4d3c8c324d8e8dc

Aliases

arxiv: 1804.10655 · arxiv_version: 1804.10655v2 · doi: 10.48550/arxiv.1804.10655 · pith_short_12: SH5L34PP3NB5 · pith_short_16: SH5L34PP3NB5WVIW · pith_short_8: SH5L34PP

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/SH5L34PP3NB5WVIWBLP6B6NWL6 \
  | 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: 91fabdf1efdb43db55160adfe0f9b65fa91f373a534e4041d4d3c8c324d8e8dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8429b7d5089f5558ec3fb7474737fcbe4a54191422ebdfef78734318ad468c6b",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-04-27T19:18:44Z",
    "title_canon_sha256": "6e86170cf77fbeeb02b90f330521e6b7de183d1543ef05777bae327a005ab79d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.10655",
    "kind": "arxiv",
    "version": 2
  }
}