Pith Number

pith:VJ6U4TYD

pith:1999:VJ6U4TYDJI2RCYBXQC7RXN735U

not attested not anchored not stored refs pending

Gravitational Collapse of Gravitational Waves in 3D Numerical Relativity

Bernd Bruegmann, Edward Seidel, Gabrielle Allen, Gerd Lanfermann, Malcolm Tobias, Miguel Alcubierre, Wai-Mo Suen

arxiv:gr-qc/9904013 v1 · 1999-04-06 · 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{VJ6U4TYDJI2RCYBXQC7RXN735U}

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

1 paper in Pith

Critical collapse of vacuum spacetimes: Nakamura wave initial data

Receipt and verification

First computed	2026-07-04T15:32:08.459081Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aa7d4e4f034a3511603780bf1bb7fbed104def8c5d8c8eedfbe061f87105344e

Aliases

arxiv: gr-qc/9904013 · arxiv_version: gr-qc/9904013v1 · doi: 10.48550/arxiv.gr-qc/9904013 · pith_short_12: VJ6U4TYDJI2R · pith_short_16: VJ6U4TYDJI2RCYBX · pith_short_8: VJ6U4TYD

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/VJ6U4TYDJI2RCYBXQC7RXN735U \
  | 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: aa7d4e4f034a3511603780bf1bb7fbed104def8c5d8c8eedfbe061f87105344e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ce29d9efe8979d12a74ab898a300113b84c4811282268cc1b72a25d3552ea01",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1999-04-06T14:47:05Z",
    "title_canon_sha256": "4eb5ba99b2df5065beeb793134ed1df3131efc3789906e21f6ee4bc898bf66e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9904013",
    "kind": "arxiv",
    "version": 1
  }
}