Pith Number

pith:SKFI77RS

pith:2012:SKFI77RS6BHXPYNPTQMYR7KGAV

not attested not anchored not stored refs pending

Magnetic superlens-enhanced inductive coupling for wireless power transfer

Da Huang, David R. Smith, Jinyun Zhang, Koon Hoo Teo, Yaroslav Urzhumov

arxiv:1204.0231 v1 · 2012-04-02 · cond-mat.mtrl-sci · physics.optics

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SKFI77RS6BHXPYNPTQMYR7KGAV}

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	2026-05-18T03:58:49.880631Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

928a8ffe32f04f77e1af9c1988fd46055abad03e93e7d1724cdde2f416246c41

Aliases

arxiv: 1204.0231 · arxiv_version: 1204.0231v1 · doi: 10.48550/arxiv.1204.0231 · pith_short_12: SKFI77RS6BHX · pith_short_16: SKFI77RS6BHXPYNP · pith_short_8: SKFI77RS

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/SKFI77RS6BHXPYNPTQMYR7KGAV \
  | 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: 928a8ffe32f04f77e1af9c1988fd46055abad03e93e7d1724cdde2f416246c41

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff8af6c0ffa63627761e26bf31e8bd22a8f4e552da9b9724356c7b06cd90a19f",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2012-04-02T19:32:03Z",
    "title_canon_sha256": "37800719e47c0131664a21f3e5faf0195be92a136eb708cd6311df1bca580fb1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.0231",
    "kind": "arxiv",
    "version": 1
  }
}