Pith Number

pith:VQKHS6VI

pith:1999:VQKHS6VIY4IY4C52PTOQTJU7T5

not attested not anchored not stored refs pending

Inspiralling black holes: the close limit

Carlos Nicasio, Gaurav Khanna, Hans-Peter Nollert, John Baker, Jorge Pullin, Pablo Laguna, Reinaldo Gleiser, Richard Price

arxiv:gr-qc/9905081 v1 · 1999-05-20 · gr-qc · 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{VQKHS6VIY4IY4C52PTOQTJU7T5}

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	2026-05-18T04:17:52.444303Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac14797aa8c7118e0bba7cdd09a69f9f5e657932d71d45a6f8da30e948f93ae4

Aliases

arxiv: gr-qc/9905081 · arxiv_version: gr-qc/9905081v1 · doi: 10.48550/arxiv.gr-qc/9905081 · pith_short_12: VQKHS6VIY4IY · pith_short_16: VQKHS6VIY4IY4C52 · pith_short_8: VQKHS6VI

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/VQKHS6VIY4IY4C52PTOQTJU7T5 \
  | 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: ac14797aa8c7118e0bba7cdd09a69f9f5e657932d71d45a6f8da30e948f93ae4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1bce042001969b4477b996206bd071fbd50335fcdffc741f6dd0b4909558ca78",
    "cross_cats_sorted": [
      "astro-ph"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1999-05-20T22:04:03Z",
    "title_canon_sha256": "39e5e30841cc2b6d971be149a3999019b5308dc26d6fa8bf7f1df3e0fedefaba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9905081",
    "kind": "arxiv",
    "version": 1
  }
}