Pith Number

pith:XWS7PJDG

pith:1998:XWS7PJDG7UVKAMDLYJDG4NKBXU

not attested not anchored not stored refs pending

Exact Solutions for the Intrinsic Geometry of Black Hole Coalescence

B\'ela Szil\'agyi, Jeffrey Winicour, Luis Lehner, Nigel T. Bishop, Roberto G\'omez

arxiv:gr-qc/9809034 v2 · 1998-09-08 · 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{XWS7PJDG7UVKAMDLYJDG4NKBXU}

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	2026-05-18T01:08:01.210079Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bda5f7a466fd2aa0306bc2466e3541bd0fafcee9e81c4c5af44d5c9818b3901b

Aliases

arxiv: gr-qc/9809034 · arxiv_version: gr-qc/9809034v2 · doi: 10.48550/arxiv.gr-qc/9809034 · pith_short_12: XWS7PJDG7UVK · pith_short_16: XWS7PJDG7UVKAMDL · pith_short_8: XWS7PJDG

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/XWS7PJDG7UVKAMDLYJDG4NKBXU \
  | 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: bda5f7a466fd2aa0306bc2466e3541bd0fafcee9e81c4c5af44d5c9818b3901b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32429ebcb5d00cf00c17e72455a1495bc16c8d43faeb0a60aae33db739466576",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1998-09-08T18:54:22Z",
    "title_canon_sha256": "656443a9e597b219ddad2464328e3a14f80491509b3e1cd2331df11403ce72b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9809034",
    "kind": "arxiv",
    "version": 2
  }
}