Pith Number

pith:3AA4HWCB

pith:2017:3AA4HWCBWAFVM2RQQW7OFH4PBE

not attested not anchored not stored refs pending

Insensitivity of The Distance Ladder Hubble Constant Determination to Cepheid Calibration Modeling Choices

Brent Follin, Lloyd Knox

arxiv:1707.01175 v1 · 2017-07-04 · 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{3AA4HWCBWAFVM2RQQW7OFH4PBE}

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

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

Planck 2018 results. VI. Cosmological parameters

Receipt and verification

First computed	2026-05-18T00:19:29.874974Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d801c3d841b00b566a3085bee29f8f090fcd5f9db6a96b6c3db69e1de22e9d03

Aliases

arxiv: 1707.01175 · arxiv_version: 1707.01175v1 · doi: 10.48550/arxiv.1707.01175 · pith_short_12: 3AA4HWCBWAFV · pith_short_16: 3AA4HWCBWAFVM2RQ · pith_short_8: 3AA4HWCB

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/3AA4HWCBWAFVM2RQQW7OFH4PBE \
  | 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: d801c3d841b00b566a3085bee29f8f090fcd5f9db6a96b6c3db69e1de22e9d03

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bbf6d7f3f37765d25ce6a1627a5fbec06fe1a4ad403c370e3e42d0e6a26c291d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2017-07-04T23:11:47Z",
    "title_canon_sha256": "465aced8bed4605b81fc917a19d2882200ef44ee83c4977a37ac0978b49caf2d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.01175",
    "kind": "arxiv",
    "version": 1
  }
}