Pith Number
pith:LFHA4ACQ
pith:1999:LFHA4ACQ5FQKMSZVEOHOOKADVU
not attested
not anchored
not stored
refs pending
Black hole mergers in the universe
arxiv:astro-ph/9910061 v2 · 1999-10-04 · astro-ph
Add to your LaTeX paper
\usepackage{pith}
\pithnumber{LFHA4ACQ5FQKMSZVEOHOOKADVU}
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
· sign in to
claim
4
Citations
5
Replications
✓
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
Receipt and verification
| First computed | 2026-07-04T16:11:40.140133Z |
|---|---|
| Builder | pith-number-builder-2026-05-17-v1 |
| Signature | Pith Ed25519
(pith-v1-2026-05) · public key |
| Schema | pith-number/v1.0 |
Canonical hash
594e0e0050e960a64b35238ee72803ad33561f27bb2601b39fd8d1590043aecf
Aliases
· · · · ·Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/LFHA4ACQ5FQKMSZVEOHOOKADVU \
| 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: 594e0e0050e960a64b35238ee72803ad33561f27bb2601b39fd8d1590043aecf
Canonical record JSON
{
"metadata": {
"abstract_canon_sha256": "cddefe70a8f23db6f17a3bfa29983d80d58930dca6f2f42c13c182e3504bae4b",
"cross_cats_sorted": [],
"license": "",
"primary_cat": "astro-ph",
"submitted_at": "1999-10-04T18:18:04Z",
"title_canon_sha256": "1b7687b6478cc924ee3266e68f7c9fd975b073de033a1d5ab2332950590a102c"
},
"schema_version": "1.0",
"source": {
"id": "astro-ph/9910061",
"kind": "arxiv",
"version": 2
}
}