Pith Number

pith:NINOG2DL

pith:2026:NINOG2DLF4WD43UDLRJVSAS7RN

not attested not anchored not stored refs pending

Inverse-designed photonic interfaces beyond eigenmode expansion limits

Chengfei Shang, Cheng Wang, Hanke Feng, Yifan Wu, Zhaoxi Chen

arxiv:2607.06243 v1 · 2026-07-07 · 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{NINOG2DLF4WD43UDLRJVSAS7RN}

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	2026-07-08T01:19:18.918014Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a1ae3686b2f2c3e6e835c5359025f8b59c3624dc78bbbeb6c16154dde9d6550

Aliases

arxiv: 2607.06243 · arxiv_version: 2607.06243v1 · doi: 10.48550/arxiv.2607.06243 · pith_short_12: NINOG2DLF4WD · pith_short_16: NINOG2DLF4WD43UD · pith_short_8: NINOG2DL

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/NINOG2DLF4WD43UDLRJVSAS7RN \
  | 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: 6a1ae3686b2f2c3e6e835c5359025f8b59c3624dc78bbbeb6c16154dde9d6550

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4cb76aad0e2df7e2a82d376aa9b7c3c071974e0ce0cae2b94b2875ca73cd0dd",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2026-07-07T13:08:28Z",
    "title_canon_sha256": "86a92987f43f286dd208e88b49fea2a1c0ea50cfaa089f10f194d7dc479cadde"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.06243",
    "kind": "arxiv",
    "version": 1
  }
}