Pith Number

pith:UPYS3737

pith:2019:UPYS3737RG2ESC2Z6PZRUZALAH

not attested not anchored not stored refs pending

The Hubble Constant determined through an inverse distance ladder including quasar time delays and Type Ia supernovae

A. J. Shajib, C. E. Rusu, E. Komatsu, F. Courbin, I. Jee, K. C. Wong, S. Birrer, S. H. Suyu, S. Taubenberger, V. Bonvin

arxiv:1905.12496 v2 · 2019-05-29 · 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{UPYS3737RG2ESC2Z6PZRUZALAH}

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

Hubble Space Telescope Observations of Mira Variables in the Type Ia Supernova Host NGC 1559: An Alternative Candle to Measure the Hubble Constant

Receipt and verification

First computed	2026-07-04T23:58:50.807415Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3f12dff7f89b4490b59f3f31a640b01e7de10061f26ec7aa8e6ca71437dd9c2

Aliases

arxiv: 1905.12496 · arxiv_version: 1905.12496v2 · doi: 10.48550/arxiv.1905.12496 · pith_short_12: UPYS3737RG2E · pith_short_16: UPYS3737RG2ESC2Z · pith_short_8: UPYS3737

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/UPYS3737RG2ESC2Z6PZRUZALAH \
  | 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: a3f12dff7f89b4490b59f3f31a640b01e7de10061f26ec7aa8e6ca71437dd9c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9854e828241ebc1bbac781a8195222c54b0cb831c693c81157a17ca973f68ad4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2019-05-29T14:30:18Z",
    "title_canon_sha256": "eb2d02d8659487d4c3fe1a41d7ad7a9d9b424fc7f550196e5a6c03121061ad8d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.12496",
    "kind": "arxiv",
    "version": 2
  }
}