Pith Number

pith:HGN4OK6L

pith:2019:HGN4OK6L6GMGDINZIRZK6KJPCW

not attested not anchored not stored refs pending

Gravitational Waves from the Inspiral of Supermassive Black Holes in Galactic-scale Simulations

Antti Rantala, Matias Mannerkoski, Pauli Pihajoki, Peter H. Johansson, Thorsten Naab

arxiv:1909.01373 v2 · 2019-09-03 · 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{HGN4OK6L6GMGDINZIRZK6KJPCW}

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	2026-07-05T00:24:55.765747Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

399bc72bcbf19861a1b94472af292f1588eb1593529368a48d192540d14b6109

Aliases

arxiv: 1909.01373 · arxiv_version: 1909.01373v2 · doi: 10.48550/arxiv.1909.01373 · pith_short_12: HGN4OK6L6GMG · pith_short_16: HGN4OK6L6GMGDINZ · pith_short_8: HGN4OK6L

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/HGN4OK6L6GMGDINZIRZK6KJPCW \
  | 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: 399bc72bcbf19861a1b94472af292f1588eb1593529368a48d192540d14b6109

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b4e8296edf08d6e1ea10e0fee648c6ef936f747cba46beb6124d0f9c2a7b94a",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-09-03T18:00:26Z",
    "title_canon_sha256": "b0a594f19cf096046188d287ec92549764b64c831d0f58efb56a0a2fc80b1da9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.01373",
    "kind": "arxiv",
    "version": 2
  }
}