Pith Number

pith:HZE5KXS7

pith:2026:HZE5KXS7W2GNDODQXYDNT2QGR6

not attested not anchored not stored refs pending

A sound horizon independent measurement of $H_0$ from BOSS, DESI and DES Y3

Th\'eo Simon, Vivian Poulin, Yifu Cai, Zhiyu Lu

arxiv:2602.21733 v2 · 2026-02-25 · 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{HZE5KXS7W2GNDODQXYDNT2QGR6}

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	2026-06-30T01:17:34.732377Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e49d55e5fb68cd1b870be06d9ea068f8eafa9f354c01b6e475e9bd156f3cdb9

Aliases

arxiv: 2602.21733 · arxiv_version: 2602.21733v2 · doi: 10.48550/arxiv.2602.21733 · pith_short_12: HZE5KXS7W2GN · pith_short_16: HZE5KXS7W2GNDODQ · pith_short_8: HZE5KXS7

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/HZE5KXS7W2GNDODQXYDNT2QGR6 \
  | 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: 3e49d55e5fb68cd1b870be06d9ea068f8eafa9f354c01b6e475e9bd156f3cdb9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "65833431a0ae912491cab676b045d13bd7dbff8030c9de81cc311a156d5a77e0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2026-02-25T09:43:05Z",
    "title_canon_sha256": "5f8ed8334ef897264dd3f11a3fe8f6bb1062ba0897e389ff49647ca34a54ee06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.21733",
    "kind": "arxiv",
    "version": 2
  }
}