Pith Number

pith:X2YXCYLN

pith:2026:X2YXCYLN2P23L655T6VU2YVPVR

not attested not anchored not stored refs pending

OptiClear: Differentiable Curvilinear Design Rule Legalization for Inverse-Designed Photonic Devices

Haoyu Yang, Hongjian Zhou, Jiaqi Gu, Nicholas Gangi, Zhaoran (Rena) Huang

arxiv:2607.03632 v1 · 2026-07-03 · physics.optics · cs.ET

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{X2YXCYLN2P23L655T6VU2YVPVR}

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	2026-07-07T02:17:58.426109Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

beb171616dd3f5b5fbbd9fab4d62afac53d36b43ba3448719b320ae3a63f9bdc

Aliases

arxiv: 2607.03632 · arxiv_version: 2607.03632v1 · doi: 10.48550/arxiv.2607.03632 · pith_short_12: X2YXCYLN2P23 · pith_short_16: X2YXCYLN2P23L655 · pith_short_8: X2YXCYLN

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/X2YXCYLN2P23L655T6VU2YVPVR \
  | 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: beb171616dd3f5b5fbbd9fab4d62afac53d36b43ba3448719b320ae3a63f9bdc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22b6a944c0b0e61e395e68f8098df36063f82c019a70b0f720127c03158051b4",
    "cross_cats_sorted": [
      "cs.ET"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2026-07-03T23:15:08Z",
    "title_canon_sha256": "74543aa853f6706e092cf9541878dd76840601a7301c16560462d92741f4ca7d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.03632",
    "kind": "arxiv",
    "version": 1
  }
}