Pith Number

pith:CX2U5MG7

pith:2015:CX2U5MG7DBEJ2SX6B53DG7KOUM

not attested not anchored not stored refs pending

Colloidal superlattices for unnaturally high-index metamaterials at broadband optical frequencies

Seungwoo Lee

arxiv:1507.06854 v1 · 2015-07-24 · 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{CX2U5MG7DBEJ2SX6B53DG7KOUM}

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	2026-05-18T00:39:04.970779Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

15f54eb0df18489d4afe0f76337d4ea31aecad81b62078f492f533a8fe0b0453

Aliases

arxiv: 1507.06854 · arxiv_version: 1507.06854v1 · doi: 10.48550/arxiv.1507.06854 · pith_short_12: CX2U5MG7DBEJ · pith_short_16: CX2U5MG7DBEJ2SX6 · pith_short_8: CX2U5MG7

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/CX2U5MG7DBEJ2SX6B53DG7KOUM \
  | 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: 15f54eb0df18489d4afe0f76337d4ea31aecad81b62078f492f533a8fe0b0453

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "08d45ff08f17f2c88a313a5d96ce239ce0b872aaa1821d706cf29dc09bb218b7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2015-07-24T14:20:20Z",
    "title_canon_sha256": "557d482b5a88b4cd05d8e5d5a9671d115a3845dd2006f395d960bd0e16b0188f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.06854",
    "kind": "arxiv",
    "version": 1
  }
}