Pith Number

pith:YNW6YT6G

pith:2026:YNW6YT6GBRJKKOEYVHQKNFXAM5

not attested not anchored not stored refs pending

Black Hole Occupation Fraction: Dependence on Black Hole Mass Threshold, Environment, Resolution and Redshift

Changjo Seo, Emanuele Contini, Jaekyoung Jang, Jinsu Rhee, Sukyoung K. Yi

arxiv:2606.22758 v1 · 2026-06-22 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YNW6YT6GBRJKKOEYVHQKNFXAM5}

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	2026-06-23T02:13:46.442443Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c36dec4fc60c52a53898a9e0a696e0676d52844f41127c2480d5d13ace2b8b29

Aliases

arxiv: 2606.22758 · arxiv_version: 2606.22758v1 · doi: 10.48550/arxiv.2606.22758 · pith_short_12: YNW6YT6GBRJK · pith_short_16: YNW6YT6GBRJKKOEY · pith_short_8: YNW6YT6G

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/YNW6YT6GBRJKKOEYVHQKNFXAM5 \
  | 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: c36dec4fc60c52a53898a9e0a696e0676d52844f41127c2480d5d13ace2b8b29

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d62ce9b6e11a0c4c83c091b959268803d97d1ecabbbe83a36469907498710ef2",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-06-22T01:58:41Z",
    "title_canon_sha256": "1e3b56b537aa04d84143d441aa9d744e81621dd9be4ae2135b643b790a5639e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.22758",
    "kind": "arxiv",
    "version": 1
  }
}