Pith Number

pith:6TNKGJWS

pith:2015:6TNKGJWS6G6DNAZ3GYQ7TNKVS6

not attested not anchored not stored refs pending

Extend the explanation of transformation optics in metamaterial-modified wireless power transfer system

Hongru Ma, Lin Zhu, Xudong Luo

arxiv:1508.02213 v4 · 2015-08-10 · physics.class-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6TNKGJWS6G6DNAZ3GYQ7TNKVS6}

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	2026-05-18T01:14:17.926779Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f4daa326d2f1bc36833b3621f9b5559799b81e8bd2ffa9e344e1fef30ee81f82

Aliases

arxiv: 1508.02213 · arxiv_version: 1508.02213v4 · doi: 10.48550/arxiv.1508.02213 · pith_short_12: 6TNKGJWS6G6D · pith_short_16: 6TNKGJWS6G6DNAZ3 · pith_short_8: 6TNKGJWS

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/6TNKGJWS6G6DNAZ3GYQ7TNKVS6 \
  | 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: f4daa326d2f1bc36833b3621f9b5559799b81e8bd2ffa9e344e1fef30ee81f82

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09bbc59e29620a2def1f8149fffa5641b5ffc8189ef9a3c14e8d2d89940c5ec2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2015-08-10T12:10:59Z",
    "title_canon_sha256": "bcbab2fcb72e885b7760351a702e770a9049a738399f3e25d9dc4a9600c0f519"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.02213",
    "kind": "arxiv",
    "version": 4
  }
}