Pith Number

pith:NWGC5Z37

pith:2021:NWGC5Z37QZVXMM6VYTSRHTPH65

not attested not anchored not stored refs pending

Asymmetric parametric generation of images with nonlinear dielectric metasurfaces

Basudeb Sain, Joel Yang, Lei Wang, Sergey Kruk, Thomas Zentgraf, Yuri Kivshar, Zhaogang Dong

arxiv:2108.04425 v4 · 2021-08-10 · 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{NWGC5Z37QZVXMM6VYTSRHTPH65}

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	2026-07-05T05:27:16.214758Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d8c2ee77f866b7633d5c4e513cde7f7462bad53dad5f78ff75246cdf27975af

Aliases

arxiv: 2108.04425 · arxiv_version: 2108.04425v4 · doi: 10.48550/arxiv.2108.04425 · pith_short_12: NWGC5Z37QZVX · pith_short_16: NWGC5Z37QZVXMM6V · pith_short_8: NWGC5Z37

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/NWGC5Z37QZVXMM6VYTSRHTPH65 \
  | 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: 6d8c2ee77f866b7633d5c4e513cde7f7462bad53dad5f78ff75246cdf27975af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e66932d673a6e33ddc529811bbb9b60e9e1e42f9e0fff7ccdc9e2930b42294d6",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2021-08-10T03:15:58Z",
    "title_canon_sha256": "1e5edccdce12a26ebcd6dcb5918c20f885ea934735d0091c81ddb7b0401a40a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.04425",
    "kind": "arxiv",
    "version": 4
  }
}