Pith Number

pith:F5EJRN3U

pith:2026:F5EJRN3UIFCDGKZUBRWIREU3I7

not attested not anchored not stored refs pending

Reversible-jump MCMC reveals binary black hole subpopulations with distinct redshift evolution

Alexandre Toubiana, April Qiu Cheng, Jonathan Gair, Sylvia Biscoveanu

arxiv:2605.25980 v1 · 2026-05-25 · astro-ph.HE · astro-ph.GA · gr-qc

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F5EJRN3UIFCDGKZUBRWIREU3I7}

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	2026-05-26T02:05:21.709571Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f4898b7744144332b340c6c88929b47c1e6f59df51fc027a348fe05454f9450

Aliases

arxiv: 2605.25980 · arxiv_version: 2605.25980v1 · doi: 10.48550/arxiv.2605.25980 · pith_short_12: F5EJRN3UIFCD · pith_short_16: F5EJRN3UIFCDGKZU · pith_short_8: F5EJRN3U

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/F5EJRN3UIFCDGKZUBRWIREU3I7 \
  | 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: 2f4898b7744144332b340c6c88929b47c1e6f59df51fc027a348fe05454f9450

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26b5ca70ab0b87176fc12bd4ddd230bc70a5943f7b456d262fa770a899bdec7d",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "gr-qc"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2026-05-25T15:55:05Z",
    "title_canon_sha256": "cc62e8874a6514b8bbb4118905af3819fe89cd78dede3a23831ae2e0472bcc0a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.25980",
    "kind": "arxiv",
    "version": 1
  }
}