Pith Number

pith:UDE7SJCX

pith:2018:UDE7SJCXZS7N43XABVBENY3P6D

not attested not anchored not stored refs pending

Gravitational Wave Driven Mergers and Coalescence Time of Supermassive Black Holes

Andreas Just, Fazeel Mahmood Khan, Peter Berczik

arxiv:1803.11394 v1 · 2018-03-30 · 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{UDE7SJCXZS7N43XABVBENY3P6D}

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	2026-05-18T00:10:31.450323Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0c9f92457ccbede6ee00d4246e36ff0f039d88d47675b79f1bf2561e6847259

Aliases

arxiv: 1803.11394 · arxiv_version: 1803.11394v1 · doi: 10.48550/arxiv.1803.11394 · pith_short_12: UDE7SJCXZS7N · pith_short_16: UDE7SJCXZS7N43XA · pith_short_8: UDE7SJCX

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/UDE7SJCXZS7N43XABVBENY3P6D \
  | 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: a0c9f92457ccbede6ee00d4246e36ff0f039d88d47675b79f1bf2561e6847259

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c5c4cf6a6a09f23923a0164f4e598ad8819bad4d210667cec9bae385deacfd94",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-03-30T09:43:12Z",
    "title_canon_sha256": "b92050a996a4d992c491eb6fb5c191ed0a0c6f22a7e2422f7c8d29e192977993"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.11394",
    "kind": "arxiv",
    "version": 1
  }
}