Pith Number

pith:XNMDWKOB

pith:2026:XNMDWKOBHO7HUGORECQGISI5HY

not attested not anchored not stored refs pending

The road towards precision measurements of $H_0$ with bright sirens in the Einstein Telescope era

Chiara De Leo, Elsa M. Teixeira, Vivian Poulin

arxiv:2607.20413 v1 · 2026-07-22 · 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{XNMDWKOBHO7HUGORECQGISI5HY}

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	2026-07-23T01:25:19.731881Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb583b29c13bbe7a19d120a064491d3e0b8dc31f58f30487ea61c7c386517236

Aliases

arxiv: 2607.20413 · arxiv_version: 2607.20413v1 · doi: 10.48550/arxiv.2607.20413 · pith_short_12: XNMDWKOBHO7H · pith_short_16: XNMDWKOBHO7HUGOR · pith_short_8: XNMDWKOB

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/XNMDWKOBHO7HUGORECQGISI5HY \
  | 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: bb583b29c13bbe7a19d120a064491d3e0b8dc31f58f30487ea61c7c386517236

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f8a72ddeb30451d993f64e9b03c0a6822cb4e2506a4d6e3a516cab3a3042fcc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2026-07-22T17:51:38Z",
    "title_canon_sha256": "662583c757d0f35be0aa223a748b57f79c4384c257f8d1b30ae199bbb1c50ef8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.20413",
    "kind": "arxiv",
    "version": 1
  }
}