Pith Number

pith:KJ7KHJMR

pith:2021:KJ7KHJMRFA5TFVEGRQSMZP3K3V

not attested not anchored not stored refs pending

MEMS-tunable dielectric metasurface lens using thin-film PZT for large displacements at low voltages

Anand Summanwar, Christopher A. Dirdal, Firehun T. Dullo, Jo Gjessing, Jon Tschudi, Paul C. V. Thrane

arxiv:2112.10130 v1 · 2021-12-19 · physics.optics · physics.app-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{KJ7KHJMRFA5TFVEGRQSMZP3K3V}

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	2026-07-05T04:01:07.073287Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

527ea3a591283b32d4868c24ccbf6add6147a6b84454f375f64b5365598c52b4

Aliases

arxiv: 2112.10130 · arxiv_version: 2112.10130v1 · doi: 10.48550/arxiv.2112.10130 · pith_short_12: KJ7KHJMRFA5T · pith_short_16: KJ7KHJMRFA5TFVEG · pith_short_8: KJ7KHJMR

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/KJ7KHJMRFA5TFVEGRQSMZP3K3V \
  | 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: 527ea3a591283b32d4868c24ccbf6add6147a6b84454f375f64b5365598c52b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "42704c7771d94913e2f3b4570da70fdb5b7ad54044bad8160c1edfc61f61d618",
    "cross_cats_sorted": [
      "physics.app-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2021-12-19T12:09:58Z",
    "title_canon_sha256": "1595bf1e3d5a699fa3359d928c8383b48652488e2aa8c32c39ca22437d65f357"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.10130",
    "kind": "arxiv",
    "version": 1
  }
}