pith. sign in
Pith Number

pith:DY3NBSQD

pith:2011:DY3NBSQDH33DTIAHKJZYXN3Z2N
not attested not anchored not stored refs pending

Design of thin-film photonic metamaterial L\"uneburg lens using analytical approach

Baile Zhang, George Barbastathis, Hanhong Gao, Steven G. Johnson

arxiv:1111.4001 v1 · 2011-11-17 · physics.optics

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{DY3NBSQDH33DTIAHKJZYXN3Z2N}

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 2026-05-18T01:59:31.899714Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

1e36d0ca033ef639a00752738bb779d3442bf043566fa5cabb7538cef4303669

Aliases

arxiv: 1111.4001 · arxiv_version: 1111.4001v1 · doi: 10.48550/arxiv.1111.4001 · pith_short_12: DY3NBSQDH33D · pith_short_16: DY3NBSQDH33DTIAH · pith_short_8: DY3NBSQD
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/DY3NBSQDH33DTIAHKJZYXN3Z2N \
  | 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: 1e36d0ca033ef639a00752738bb779d3442bf043566fa5cabb7538cef4303669
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "bd04864f2cda4234b5f8825da4f45b90c56dccc86ec03690c94b96dc587b1833",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2011-11-17T01:32:23Z",
    "title_canon_sha256": "2e6f1d4a465ae919aec6f9d5615e6c1113b40b8056b80de06ad6f14de569f1f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.4001",
    "kind": "arxiv",
    "version": 1
  }
}