Pith Number

pith:UYLJMDUU

pith:2019:UYLJMDUUCTVUV6MVLP4NMXTPEL

not attested not anchored not stored refs pending

High coupling efficiency grating couplers on lithium niobate on insulator

A. Peruzzo, I. Krasnokutska, J.-L. J. Tambasco, R. J. Chapman

arxiv:1903.02190 v1 · 2019-03-06 · physics.optics · quant-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{UYLJMDUUCTVUV6MVLP4NMXTPEL}

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	2026-05-17T23:39:54.780877Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a616960e9414eb4af9955bf8d65e6f22f7d8d5e398e46916e994ae7cf9bf10d6

Aliases

arxiv: 1903.02190 · arxiv_version: 1903.02190v1 · doi: 10.48550/arxiv.1903.02190 · pith_short_12: UYLJMDUUCTVU · pith_short_16: UYLJMDUUCTVUV6MV · pith_short_8: UYLJMDUU

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/UYLJMDUUCTVUV6MVLP4NMXTPEL \
  | 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: a616960e9414eb4af9955bf8d65e6f22f7d8d5e398e46916e994ae7cf9bf10d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "83ee4091179554ad7b6ce6818f99aa7988c2c819b428442e92a1c6e98e5bafe2",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2019-03-06T06:09:27Z",
    "title_canon_sha256": "f7c9f66ca42da4cf5d3afe5769dc63b678b3082e5168adf9ccd378d4bb149203"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.02190",
    "kind": "arxiv",
    "version": 1
  }
}