Pith Number

pith:RC4WSTQK

pith:2026:RC4WSTQK4BGTCNL6UGSSBIR7NQ

not attested not anchored not stored refs pending

Ion-Implanted Silicon Nanoregions Enable Ultra-Low-Loss Trimming of Cladded Photonic Integrated Circuits

Akhil Varri, Anna P. Ovvyan, Liam McRae, Rongyang Xu, Seongmin Jo, Shabnam Taheriniya, Vincent Spreter, Wolfram H. P. Pernice, Xiansong Meng, Xinyu Ma, Zhongyu Tang

arxiv:2607.08266 v1 · 2026-07-09 · physics.optics · physics.app-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RC4WSTQK4BGTCNL6UGSSBIR7NQ}

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	2026-07-10T01:19:31.347671Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

88b9694e0ae04d31357ea1a520a23f6c0fee3a088cfb14c82f9fe099d6ef6d57

Aliases

arxiv: 2607.08266 · arxiv_version: 2607.08266v1 · doi: 10.48550/arxiv.2607.08266 · pith_short_12: RC4WSTQK4BGT · pith_short_16: RC4WSTQK4BGTCNL6 · pith_short_8: RC4WSTQK

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/RC4WSTQK4BGTCNL6UGSSBIR7NQ \
  | 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: 88b9694e0ae04d31357ea1a520a23f6c0fee3a088cfb14c82f9fe099d6ef6d57

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b3d791582856c0f75251202e69812dc731acd1cd7ded820b4bcd7e3d56cbaa5",
    "cross_cats_sorted": [
      "physics.app-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2026-07-09T09:08:33Z",
    "title_canon_sha256": "dfeac337ce663837d6e0ec9a36066f1863e712ac29b78a8bed0a5ffab7b2dda5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.08266",
    "kind": "arxiv",
    "version": 1
  }
}