Pith Number

pith:VS3OFJMC

pith:2017:VS3OFJMCKITEAZ3QMWGB7A3KL5

not attested not anchored not stored refs pending

Closed-form formulae of hyperbolic metamaterial made by stacked hole-array layers working at terahertz or microwave radiation

Chesta Ruttanapuna, Chiko Otani, Masatsugu Yamashita, Piyawath Tapsanit, Sriprajak Krongsuk

arxiv:1704.03614 v1 · 2017-04-12 · 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{VS3OFJMCKITEAZ3QMWGB7A3KL5}

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	2026-05-18T00:33:18.795327Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

acb6e2a5825226406770658c1f836a5f721a7f8cf7ae1d2f2d061dbf5778474b

Aliases

arxiv: 1704.03614 · arxiv_version: 1704.03614v1 · doi: 10.48550/arxiv.1704.03614 · pith_short_12: VS3OFJMCKITE · pith_short_16: VS3OFJMCKITEAZ3Q · pith_short_8: VS3OFJMC

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/VS3OFJMCKITEAZ3QMWGB7A3KL5 \
  | 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: acb6e2a5825226406770658c1f836a5f721a7f8cf7ae1d2f2d061dbf5778474b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1bd5336e08a01ae7e35748a24581c3e31bf55b777c094b170b4271412c073ad1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2017-04-12T04:08:05Z",
    "title_canon_sha256": "e1e948c17163c04aa885ecd085c2f926ae5d074d8d4018c4cea9479d27597994"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.03614",
    "kind": "arxiv",
    "version": 1
  }
}