Pith Number

pith:LDI4QPXB

pith:1999:LDI4QPXBQDGDIG7KZGVGOF5TL2

not attested not anchored not stored refs pending

Interior Weyl-type Solutions of the Einstein-Maxwell Field Equations

Brendan S. Guilfoyle

arxiv:gr-qc/9906089 v1 · 1999-06-22 · 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{LDI4QPXBQDGDIG7KZGVGOF5TL2}

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

2 papers in Pith

Buchdahl stars and bounds with cosmological constant

Buchdahl Limit and TOV Equations in Interacting Vacuum Scenarios

Receipt and verification

First computed	2026-05-18T01:39:17.922191Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58d1c83ee180cc341beac9aa6717b35ebb472c7b4019040c25336a584ec234dd

Aliases

arxiv: gr-qc/9906089 · arxiv_version: gr-qc/9906089v1 · doi: 10.48550/arxiv.gr-qc/9906089 · pith_short_12: LDI4QPXBQDGD · pith_short_16: LDI4QPXBQDGDIG7K · pith_short_8: LDI4QPXB

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/LDI4QPXBQDGDIG7KZGVGOF5TL2 \
  | 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: 58d1c83ee180cc341beac9aa6717b35ebb472c7b4019040c25336a584ec234dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7be43fa0878f89a978085623d9c86068aaf5b9d487f8e152be96057bb13e3615",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1999-06-22T10:08:46Z",
    "title_canon_sha256": "934f52cbf81654d447f579a97e3fe3e4577971bc123c2ee208f905ea9261ebac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9906089",
    "kind": "arxiv",
    "version": 1
  }
}