Pith Number

pith:UC4ARG6I

pith:2013:UC4ARG6IONNKKJW3OSGYBFH274

not attested not anchored not stored refs pending

Creating double negative index materials using the Babinet principle with one metasurface

Costas M. Soukoulis, Lei Zhang, Thomas Koschny

arxiv:1301.2164 v1 · 2013-01-08 · 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{UC4ARG6IONNKKJW3OSGYBFH274}

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	2026-05-18T03:36:47.337258Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0b8089bc8735aa526db748d8094faff18bfc73b976bfbca1c6be1fed28e268e

Aliases

arxiv: 1301.2164 · arxiv_version: 1301.2164v1 · doi: 10.48550/arxiv.1301.2164 · pith_short_12: UC4ARG6IONNK · pith_short_16: UC4ARG6IONNKKJW3 · pith_short_8: UC4ARG6I

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/UC4ARG6IONNKKJW3OSGYBFH274 \
  | 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: a0b8089bc8735aa526db748d8094faff18bfc73b976bfbca1c6be1fed28e268e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45ac8a794c40abd7d5e817b9f7119eec770f359b94d3031027b40c0db026a732",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2013-01-08T16:48:14Z",
    "title_canon_sha256": "e516bbb8aee93f5194b9e2e6d2fe2cde80c4df632fd035ac21d5036a5689341d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.2164",
    "kind": "arxiv",
    "version": 1
  }
}