Pith Number

pith:WTQCA2P7

pith:1997:WTQCA2P7XP37ROTAN7LA4BMBSR

not attested not anchored not stored refs pending

A simple construction of initial data for multiple black holes

Bernd Bruegmann, Steven Brandt

arxiv:gr-qc/9703066 v2 · 1997-03-24 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WTQCA2P7XP37ROTAN7LA4BMBSR}

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

10 papers in Pith

The Era of Precision in Computational Models of Gravitational Waves

Solving Hamiltonian Constraint Equation with Physics-Informed Neural Networks

Implementation of multi-grid Poisson solver in numerical relativity and its application to gravitational collapse of massive star

Self-force calculations with numerical relativity methods

Scalarization and descalarization in hyperbolic encounters of black holes

Receipt and verification

First computed	2026-07-04T15:32:07.948199Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4e02069ffbbf7f8ba606fd60e058194551b86a7c20f072e956e5009d93b2005

Aliases

arxiv: gr-qc/9703066 · arxiv_version: gr-qc/9703066v2 · doi: 10.48550/arxiv.gr-qc/9703066 · pith_short_12: WTQCA2P7XP37 · pith_short_16: WTQCA2P7XP37ROTA · pith_short_8: WTQCA2P7

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/WTQCA2P7XP37ROTAN7LA4BMBSR \
  | 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: b4e02069ffbbf7f8ba606fd60e058194551b86a7c20f072e956e5009d93b2005

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "033712d52c08c79cc3348fefa08631c5217b5be1dd196c6e046f56502e91d746",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1997-03-24T11:38:22Z",
    "title_canon_sha256": "b8254a3e4eb3c86dc43654a78b87b9aaba7deddbd723308538d49f996262c15b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9703066",
    "kind": "arxiv",
    "version": 2
  }
}