Pith Number

pith:VVOOPNGD

pith:2021:VVOOPNGD3OX7CDLYVH6UHI65G3

not attested not anchored not stored refs pending

Repeated mergers, mass-gap black holes, and formation of intermediate-mass black holes in nuclear star clusters

Bence Kocsis, Frederic A. Rasio, Giacomo Fragione, Joseph Silk

arxiv:2107.04639 v3 · 2021-07-09 · astro-ph.GA · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VVOOPNGD3OX7CDLYVH6UHI65G3}

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

Gravitational wave inference of star cluster properties from intermediate-mass black hole mergers

Receipt and verification

First computed	2026-07-05T04:09:36.039926Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad5ce7b4c3dbaff10d78a9fd43a3dd36f3748a8dd7c94e778652ff15618c4c0d

Aliases

arxiv: 2107.04639 · arxiv_version: 2107.04639v3 · doi: 10.48550/arxiv.2107.04639 · pith_short_12: VVOOPNGD3OX7 · pith_short_16: VVOOPNGD3OX7CDLY · pith_short_8: VVOOPNGD

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/VVOOPNGD3OX7CDLYVH6UHI65G3 \
  | 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: ad5ce7b4c3dbaff10d78a9fd43a3dd36f3748a8dd7c94e778652ff15618c4c0d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7584038ec40855cbd7aa62722890c7a3afbc14d1ae873f000b254955e88ab650",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-07-09T19:24:16Z",
    "title_canon_sha256": "cb8a31863fa9adc4e826578cf1715c9102803f0de3ff5866e704b3ca8eb65f73"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.04639",
    "kind": "arxiv",
    "version": 3
  }
}