Pith Number

pith:TZ4R665V

pith:2021:TZ4R665VIEJRZYHB7MHTNM7EZU

not attested not anchored not stored refs pending

Fourier-component engineering to control light diffraction beyond subwavelength limit

Chul-sik Kee, Seong-Han Kim, Sun-Goo Lee

arxiv:2103.15461 v2 · 2021-03-29 · 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{TZ4R665VIEJRZYHB7MHTNM7EZU}

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	2026-07-05T02:28:56.703861Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e791f7bb541131ce0e1fb0f36b3e4cd14380e78c5e60914e2332d9e1da81813

Aliases

arxiv: 2103.15461 · arxiv_version: 2103.15461v2 · doi: 10.48550/arxiv.2103.15461 · pith_short_12: TZ4R665VIEJR · pith_short_16: TZ4R665VIEJRZYHB · pith_short_8: TZ4R665V

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/TZ4R665VIEJRZYHB7MHTNM7EZU \
  | 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: 9e791f7bb541131ce0e1fb0f36b3e4cd14380e78c5e60914e2332d9e1da81813

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cdc1df366d8b3ef26f932335e3fd53d8862a31b3d4b609c5177de2c510640819",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2021-03-29T09:52:49Z",
    "title_canon_sha256": "d3e32c0d162c9b7dc15f3541ffe3b363a5b203cf1dc04a91ab774bbaa01177a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.15461",
    "kind": "arxiv",
    "version": 2
  }
}