pith. sign in
Pith Number

pith:WY6LOKSW

pith:2003:WY6LOKSW4QH5GMSXKGQRHNK2J7
not attested not anchored not stored refs pending

Electric energy by direct conversion from gravitational energy: a gift from superconductivity

Florianopolis, Osvaldo F. Schilling (FSC/UFSC, SC. Brazil)

arxiv:cond-mat/0309043 v1 · 2003-09-01 · cond-mat.supr-con · physics.gen-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{WY6LOKSW4QH5GMSXKGQRHNK2J7}

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 2026-05-18T03:19:13.597252Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

b63cb72a56e40fd3325751a113b55a4fe4c423b7f83e32a1c80c6493c31a64dd

Aliases

arxiv: cond-mat/0309043 · arxiv_version: cond-mat/0309043v1 · doi: 10.48550/arxiv.cond-mat/0309043 · pith_short_12: WY6LOKSW4QH5 · pith_short_16: WY6LOKSW4QH5GMSX · pith_short_8: WY6LOKSW
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/WY6LOKSW4QH5GMSXKGQRHNK2J7 \
  | 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: b63cb72a56e40fd3325751a113b55a4fe4c423b7f83e32a1c80c6493c31a64dd
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "c84c28b0f291a5a1d2a485f71c68f05a518d2585d5b4f7529c6c0fdd19f67d4a",
    "cross_cats_sorted": [
      "physics.gen-ph"
    ],
    "license": "",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2003-09-01T17:57:50Z",
    "title_canon_sha256": "fa384c4429bee7771ba822d56cb2348bbd854c55ff7f59b8045c1be4741ae009"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0309043",
    "kind": "arxiv",
    "version": 1
  }
}