Pith Number

pith:EWA5CUQS

pith:2026:EWA5CUQS7AICZ55J6K7EBFRFZY

not attested not anchored not stored refs pending

Skipping the rungs! Calibrating distance indicators through their clustering with galaxies

Cullan Howlett, Leonardo Giani, Madeline L. Cross-Parkin, Tamara M. Davis

arxiv:2607.06567 v1 · 2026-07-07 · 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{EWA5CUQS7AICZ55J6K7EBFRFZY}

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.

Receipt and verification

First computed	2026-07-08T01:19:30.261085Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2581d15212f8102cf7a9f2be409625ce04d4fb60376da99b8be5c35a44a157c3

Aliases

arxiv: 2607.06567 · arxiv_version: 2607.06567v1 · doi: 10.48550/arxiv.2607.06567 · pith_short_12: EWA5CUQS7AIC · pith_short_16: EWA5CUQS7AICZ55J · pith_short_8: EWA5CUQS

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/EWA5CUQS7AICZ55J6K7EBFRFZY \
  | 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: 2581d15212f8102cf7a9f2be409625ce04d4fb60376da99b8be5c35a44a157c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "660b97543fa83543a9facac67da3225940d3f5a10dd79dc3362f0553dd7dd73c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2026-07-07T17:59:59Z",
    "title_canon_sha256": "ffea010bcaa07f77816dc46d21a8753ffb1789da6fdcb0cbf3a2568c239e48fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.06567",
    "kind": "arxiv",
    "version": 1
  }
}