Pith Number

pith:VUAG6T7K

pith:2025:VUAG6T7KZ7HYVUDHGZXBCVGQJS

not attested not anchored not stored refs pending

Broadband and Ultra-Compact Adiabatic Coupler Based on Linearly Tapered Silicon Waveguides

Ahmed Bayoumi, Ahmed Khalil, Dimitrios Velenis, Filippo Ferraro, Joris Van Campenhout, Maumita Chakrabarti, Philippe Absil, Pol Van Dorpe, Qingzhong Deng, Wim Bogaerts, Yoojin Ban

arxiv:2504.20512 v3 · 2025-04-29 · 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{VUAG6T7KZ7HYVUDHGZXBCVGQJS}

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	2026-07-05T10:58:26.862903Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad006f4feacfcf8ad067366e1154d04ca533a2cff5d52300862474712e1868b8

Aliases

arxiv: 2504.20512 · arxiv_version: 2504.20512v3 · doi: 10.48550/arxiv.2504.20512 · pith_short_12: VUAG6T7KZ7HY · pith_short_16: VUAG6T7KZ7HYVUDH · pith_short_8: VUAG6T7K

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/VUAG6T7KZ7HYVUDHGZXBCVGQJS \
  | 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: ad006f4feacfcf8ad067366e1154d04ca533a2cff5d52300862474712e1868b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f0461964ac1bf82b139a49c460ebdd5dda81ec25b9137bcbc6d08bfe3d017a9b",
    "cross_cats_sorted": [
      "physics.app-ph"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2025-04-29T07:52:16Z",
    "title_canon_sha256": "832fe1342a5c1ded3da50d3a186c77c61fd48dd2f948fceb741c89d8a37ada78"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.20512",
    "kind": "arxiv",
    "version": 3
  }
}