Pith Number

pith:7AL5EL6O

pith:2002:7AL5EL6OI7X4CVX5PWIFPQQUZY

not attested not anchored not stored refs pending

Well-Posed Initial-Boundary Evolution in General Relativity

Bela Szilagyi, Jeffrey Winicour

arxiv:gr-qc/0205044 v7 · 2002-05-10 · 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{7AL5EL6OI7X4CVX5PWIFPQQUZY}

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	2026-05-18T04:23:46.976283Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f817d22fce47efc156fd7d9057c214ce24c27466081e2874dbd79cfdbbf1fdd4

Aliases

arxiv: gr-qc/0205044 · arxiv_version: gr-qc/0205044v7 · doi: 10.48550/arxiv.gr-qc/0205044 · pith_short_12: 7AL5EL6OI7X4 · pith_short_16: 7AL5EL6OI7X4CVX5 · pith_short_8: 7AL5EL6O

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/7AL5EL6OI7X4CVX5PWIFPQQUZY \
  | 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: f817d22fce47efc156fd7d9057c214ce24c27466081e2874dbd79cfdbbf1fdd4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fcbe7a758c9f5480b225cb2cabc0ba772c301676086e68ea8f59dc31b489d43c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2002-05-10T21:11:40Z",
    "title_canon_sha256": "9acb0e92e607f55a4b5281f89bc9f7103cc5d9a18c8f70fce8edd4c55110c1b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0205044",
    "kind": "arxiv",
    "version": 7
  }
}