Pith Number

pith:2P5DVQBW

pith:2004:2P5DVQBW7P2E2LSO7UKDP4FNAP

not attested not anchored not stored refs pending

Electromagnetic Magic: The Relativistically Rotating Disk

D. Lynden-Bell

arxiv:gr-qc/0410109 v1 · 2004-10-21 · 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{2P5DVQBW7P2E2LSO7UKDP4FNAP}

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

On the integrability of root-Kerr probe dynamics

Receipt and verification

First computed	2026-07-04T16:47:49.371972Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3fa3ac036fbf44d2e4efd1437f0ad03c74e24548f32afc7453b26de63be2358

Aliases

arxiv: gr-qc/0410109 · arxiv_version: gr-qc/0410109v1 · doi: 10.48550/arxiv.gr-qc/0410109 · pith_short_12: 2P5DVQBW7P2E · pith_short_16: 2P5DVQBW7P2E2LSO · pith_short_8: 2P5DVQBW

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/2P5DVQBW7P2E2LSO7UKDP4FNAP \
  | 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: d3fa3ac036fbf44d2e4efd1437f0ad03c74e24548f32afc7453b26de63be2358

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f94a5746b73a72ce429590184f522f372f6b3e4f368466a107d4e4e401359593",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2004-10-21T13:48:16Z",
    "title_canon_sha256": "e07200ed9972019212ddabbe4ab6fca50351d321d2e282e77ae9f2c4aa2018da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0410109",
    "kind": "arxiv",
    "version": 1
  }
}