Pith Number

pith:N57AKWFM

pith:2021:N57AKWFMLELNQDOMUAXD5XWGFB

not attested not anchored not stored refs pending

Machine Learning-Based Optimization of Chiral Photonic Nanostructures: Evolution- and Neural Network-Based Design

Arash Rahimi-Iman, Oliver Mey

arxiv:2111.06272 v1 · 2021-11-11 · physics.optics · physics.app-ph · stat.ML

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N57AKWFMLELNQDOMUAXD5XWGFB}

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	2026-07-05T03:57:16.104621Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f7e0558ac5916d80dcca02e3edec628798504c66a3c494f895710f2901e7dbf

Aliases

arxiv: 2111.06272 · arxiv_version: 2111.06272v1 · doi: 10.48550/arxiv.2111.06272 · pith_short_12: N57AKWFMLELN · pith_short_16: N57AKWFMLELNQDOM · pith_short_8: N57AKWFM

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/N57AKWFMLELNQDOMUAXD5XWGFB \
  | 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: 6f7e0558ac5916d80dcca02e3edec628798504c66a3c494f895710f2901e7dbf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1169a8bc9f7e71b67eafb6978dacb02b4ff6908648c94a488cc3ee5ae7343dfc",
    "cross_cats_sorted": [
      "physics.app-ph",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2021-11-11T15:29:36Z",
    "title_canon_sha256": "5cb124e876116d0a70c1f8c187d27f8291826e5ca7dbab04d662c985ad6cad8d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.06272",
    "kind": "arxiv",
    "version": 1
  }
}