Pith Number

pith:BUEGL6QB

pith:2025:BUEGL6QBX5ZY6BS6K2HSSVFWVI

not attested not anchored not stored refs pending

SP2RINT: Spatially-Decoupled Physics-Inspired Progressive Inverse Optimization for Scalable, PDE-Constrained Meta-Optical Neural Network Training

Boyang Zhang, Duane S. Boning, Jiaqi Gu, Nicholas Gangi, Pingchuan Ma, Qi Jing, Tsung-Wei Huang, Yu Yao, Zhaoran Huang, Zhengqi Gao, Ziang Yin

arxiv:2505.18377 v2 · 2025-05-23 · physics.optics · cs.AI · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BUEGL6QBX5ZY6BS6K2HSSVFWVI}

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	2026-07-05T11:11:46.233392Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d0865fa01bf738f065e568f2954b6aa308bb3dc309f92a9f2a65d9353840887

Aliases

arxiv: 2505.18377 · arxiv_version: 2505.18377v2 · doi: 10.48550/arxiv.2505.18377 · pith_short_12: BUEGL6QBX5ZY · pith_short_16: BUEGL6QBX5ZY6BS6 · pith_short_8: BUEGL6QB

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/BUEGL6QBX5ZY6BS6K2HSSVFWVI \
  | 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: 0d0865fa01bf738f065e568f2954b6aa308bb3dc309f92a9f2a65d9353840887

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f99472286c26776714a9c2450743e59ebd96671746d2b14b79c670128e9243ac",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2025-05-23T21:05:40Z",
    "title_canon_sha256": "6c475d2e8cbda03f4472a272a4743d810dd3808c40e752d29c0aaef064a50080"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.18377",
    "kind": "arxiv",
    "version": 2
  }
}