Pith Number

pith:DK65LL5F

pith:2019:DK65LL5FIDUTPNXDPL456JQT5B

not attested not anchored not stored refs pending

Large-Angle, Broadband and Multifunctional Gratings Based on Directively Radiating Waveguide Scatterers

Ashutosh Patri, Christophe Caloz, Stephane Kena-Cohen

arxiv:1908.07988 v1 · 2019-08-21 · physics.optics · physics.class-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DK65LL5FIDUTPNXDPL456JQT5B}

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	2026-07-05T03:33:01.662877Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1abdd5afa540e937b6e37af9df2613e84762955e87022ae7836c0a9648f26e67

Aliases

arxiv: 1908.07988 · arxiv_version: 1908.07988v1 · doi: 10.48550/arxiv.1908.07988 · pith_short_12: DK65LL5FIDUT · pith_short_16: DK65LL5FIDUTPNXD · pith_short_8: DK65LL5F

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/DK65LL5FIDUTPNXDPL456JQT5B \
  | 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: 1abdd5afa540e937b6e37af9df2613e84762955e87022ae7836c0a9648f26e67

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc965fb5c368bc30517f3b1e366c1f30a6f10faecd17aee7053203cf749b1604",
    "cross_cats_sorted": [
      "physics.class-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2019-08-21T17:04:45Z",
    "title_canon_sha256": "ec8adbdb851af813d876e53c19a9f3cddeec6f64d9e07050bcb94fd6bdf7b5b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.07988",
    "kind": "arxiv",
    "version": 1
  }
}