Pith Number

pith:QM7FM7QP

pith:2005:QM7FM7QPBBY5DF4NIX55F3TPLS

not attested not anchored not stored refs pending

Massive Black Hole Binaries from Collisional Runaways

Frederic A. Rasio (Northwestern University), John M. Fregeau, M. Atakan G\"urkan

arxiv:astro-ph/0512642 v2 · 2005-12-29 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QM7FM7QPBBY5DF4NIX55F3TPLS}

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

Formation of rotating supergiants via stellar mergers in dense clusters: Implications for black hole natal spins

Receipt and verification

First computed	2026-07-04T17:14:46.253815Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

833e567e0f0871d1978d45fbd2ee6f5ca587a9acd2116c7279f5de6e798a80d4

Aliases

arxiv: astro-ph/0512642 · arxiv_version: astro-ph/0512642v2 · doi: 10.48550/arxiv.astro-ph/0512642 · pith_short_12: QM7FM7QPBBY5 · pith_short_16: QM7FM7QPBBY5DF4N · pith_short_8: QM7FM7QP

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/QM7FM7QPBBY5DF4NIX55F3TPLS \
  | 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: 833e567e0f0871d1978d45fbd2ee6f5ca587a9acd2116c7279f5de6e798a80d4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2482da1bea73c504de50fbc50f2d9ea64e7afea11ccc4d26ec271f3bb61f3c98",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-12-29T20:32:57Z",
    "title_canon_sha256": "75dfcce16dd95001eb2b23e58d5e9af2438701a26c0b53a9f05d331285416e98"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0512642",
    "kind": "arxiv",
    "version": 2
  }
}