Pith Number

pith:FUM5SKOL

pith:2000:FUM5SKOLTRQ7MPUFUNHOJGXBD6

not attested not anchored not stored refs pending

The Cauchy Problem for the Einstein Equations

A. D. Rendall, H. Friedrich

arxiv:gr-qc/0002074 v1 · 2000-02-22 · 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{FUM5SKOLTRQ7MPUFUNHOJGXBD6}

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	2026-05-18T04:23:47.023976Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d19d929cb9c61f63e85a34ee49ae11f97c6c563f1292c6de56a8e82fcd8ff00

Aliases

arxiv: gr-qc/0002074 · arxiv_version: gr-qc/0002074v1 · doi: 10.48550/arxiv.gr-qc/0002074 · pith_short_12: FUM5SKOLTRQ7 · pith_short_16: FUM5SKOLTRQ7MPUF · pith_short_8: FUM5SKOL

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/FUM5SKOLTRQ7MPUFUNHOJGXBD6 \
  | 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: 2d19d929cb9c61f63e85a34ee49ae11f97c6c563f1292c6de56a8e82fcd8ff00

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "62845f0eca461eacfccef91fa1d20e1b3b4f867223f3d61363db546d44123160",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2000-02-22T13:03:54Z",
    "title_canon_sha256": "b93f07688d5d8722657ec3132a7f177a733054cdaf0fa5c1b58f040393c0972a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0002074",
    "kind": "arxiv",
    "version": 1
  }
}