Pith Number

pith:NLUGIG4L

pith:2022:NLUGIG4LW4NVKAU2VTPFQ4YJ4S

not attested not anchored not stored refs pending

Full Geometric Control of Hidden Color Information in Diffraction Gratings under Angled White Light Illumination

Cheng-Wei Qiu, Hailong Liu, Hao Wang, Hongtao Wang, Joel K.W. Yang, John You En Chan, Qifeng Ruan, Zhiyuan Yan

arxiv:2204.06191 v2 · 2022-04-13 · 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{NLUGIG4LW4NVKAU2VTPFQ4YJ4S}

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	2026-07-05T05:14:13.281040Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ae8641b8bb71b55029aacde587309e4a01a3bf1035830160cb6eb191c531cfe

Aliases

arxiv: 2204.06191 · arxiv_version: 2204.06191v2 · doi: 10.48550/arxiv.2204.06191 · pith_short_12: NLUGIG4LW4NV · pith_short_16: NLUGIG4LW4NVKAU2 · pith_short_8: NLUGIG4L

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/NLUGIG4LW4NVKAU2VTPFQ4YJ4S \
  | 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: 6ae8641b8bb71b55029aacde587309e4a01a3bf1035830160cb6eb191c531cfe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "819426c707ed3d42d23480514c7f296550649a623fa830caf4ffb552d2059a33",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2022-04-13T06:39:41Z",
    "title_canon_sha256": "a42c9f3e267fb92443419c990cf5819696981984825b6e11c46c558045076115"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.06191",
    "kind": "arxiv",
    "version": 2
  }
}