Pith Number

pith:QVTRX23S

pith:2025:QVTRX23SUZSJIBG7EB2VOIAKRK

not attested not anchored not stored refs pending

A Novel Formation Channel for Supermassive Black Hole Binaries in the Early Universe via Primordial Black Holes

Boyuan Liu, Saiyang Zhang, Volker Bromm

arxiv:2508.00774 v2 · 2025-08-01 · astro-ph.GA · 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{QVTRX23SUZSJIBG7EB2VOIAKRK}

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.

Cited by

1 paper in Pith

Inflation driven by repulsive-like primordial black holes

Receipt and verification

First computed	2026-07-05T12:08:05.851748Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85671beb72a6649404df207557200a8abe5e9b31f79607e0671750366171ed8c

Aliases

arxiv: 2508.00774 · arxiv_version: 2508.00774v2 · doi: 10.48550/arxiv.2508.00774 · pith_short_12: QVTRX23SUZSJ · pith_short_16: QVTRX23SUZSJIBG7 · pith_short_8: QVTRX23S

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/QVTRX23SUZSJIBG7EB2VOIAKRK \
  | 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: 85671beb72a6649404df207557200a8abe5e9b31f79607e0671750366171ed8c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87ffe17da1afaf2a8002b6ff79e63b0fe0f734996a53b4cbf60e6d1aec7377cc",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-08-01T16:56:20Z",
    "title_canon_sha256": "0ac268fdeb4f1a00fd753f397cc5d2b6d679883eac33143aa45404dc38defc17"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.00774",
    "kind": "arxiv",
    "version": 2
  }
}