Pith Number

pith:TC4E3G6I

pith:2006:TC4E3G6IBCH3TBY3SOZRACJ2S7

not attested not anchored not stored refs pending

Dual-Band Negative Index Metamaterial: Double-Negative at 813 nm and Single-Negative at 772 nm

Alexander V. Kildishev, Hsiao-Kuan Yuan, Shumin Xiao, Uday K. Chettiar, Vladimir M. Shalaev, Vladimir P. Drachev, Wenshan Cai

arxiv:physics/0612247 v1 · 2006-12-28 · 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{TC4E3G6IBCH3TBY3SOZRACJ2S7}

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	2026-07-04T17:02:51.485379Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

98b84d9bc8088fb9871b93b310093a97ee3e58e8c6d846f64a7100a656040fd8

Aliases

arxiv: physics/0612247 · arxiv_version: physics/0612247v1 · doi: 10.48550/arxiv.physics/0612247 · pith_short_12: TC4E3G6IBCH3 · pith_short_16: TC4E3G6IBCH3TBY3 · pith_short_8: TC4E3G6I

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/TC4E3G6IBCH3TBY3SOZRACJ2S7 \
  | 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: 98b84d9bc8088fb9871b93b310093a97ee3e58e8c6d846f64a7100a656040fd8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a74a8016d80c93d83496b963ba0bcdfea276a122a1c54ea4f95d9eae268b53c7",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "physics.optics",
    "submitted_at": "2006-12-28T20:09:06Z",
    "title_canon_sha256": "c7ea42255531782507f2fb1ff9b58021f55391bbf732a8200226148c4bb09170"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0612247",
    "kind": "arxiv",
    "version": 1
  }
}