Pith Number

pith:FYK5NGRF

pith:2026:FYK5NGRFLMG7SDGTRF26FLLZNI

not attested not anchored not stored refs pending

Can current models predict the local black hole merger rate?

Amedeo Romagnolo, Cecilia Sgalletta, Lumen Boco, Michela Mapelli, Michele Bosi

arxiv:2606.02725 v1 · 2026-06-01 · astro-ph.HE · 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{FYK5NGRFLMG7SDGTRF26FLLZNI}

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	2026-06-03T00:05:08.086454Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e15d69a255b0df90cd38975e2ad796a33fae7bf27dab5adddfaf2073db8b8f9

Aliases

arxiv: 2606.02725 · arxiv_version: 2606.02725v1 · doi: 10.48550/arxiv.2606.02725 · pith_short_12: FYK5NGRFLMG7 · pith_short_16: FYK5NGRFLMG7SDGT · pith_short_8: FYK5NGRF

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/FYK5NGRFLMG7SDGTRF26FLLZNI \
  | 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: 2e15d69a255b0df90cd38975e2ad796a33fae7bf27dab5adddfaf2073db8b8f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bc3e5303b4a6d797e751bf51258bd6478ddefa832d035a3b1a248d7cfcd5ba70",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2026-06-01T18:00:08Z",
    "title_canon_sha256": "acdaca3ced960d1443c0725d560c577a3ed7d7baba9ffe97ccb750bf492f36ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.02725",
    "kind": "arxiv",
    "version": 1
  }
}