Pith Number

pith:6BPRNYA4

pith:2002:6BPRNYA4YQHEDYYHPFEBFJK2EH

not attested not anchored not stored refs pending

Gravitomagnetic Field of a Rotating Superconductor and of a Rotating Superfluid

C.J. de Matos, M. Tajmar

arxiv:gr-qc/0203033 v1 · 2002-03-11 · 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{6BPRNYA4YQHEDYYHPFEBFJK2EH}

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	2026-05-18T02:37:35.720908Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f05f16e01cc40e41e307794812a55a21c6e09f836dd47fb9829aadd4f6a8dc15

Aliases

arxiv: gr-qc/0203033 · arxiv_version: gr-qc/0203033v1 · doi: 10.48550/arxiv.gr-qc/0203033 · pith_short_12: 6BPRNYA4YQHE · pith_short_16: 6BPRNYA4YQHEDYYH · pith_short_8: 6BPRNYA4

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/6BPRNYA4YQHEDYYHPFEBFJK2EH \
  | 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: f05f16e01cc40e41e307794812a55a21c6e09f836dd47fb9829aadd4f6a8dc15

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b1aae579cba9a5d1093b7f2c839af0a559ea009868454344a750aa8f7dba156",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2002-03-11T13:36:20Z",
    "title_canon_sha256": "bf503497bc1082ba5eda58243f32ef7fe5ae9dfdeefd9ceab0f61c0c55bc1980"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0203033",
    "kind": "arxiv",
    "version": 1
  }
}