Pith Number

pith:T4S4FWGY

pith:2006:T4S4FWGYOAFL3UP5MWNPD6CFZ2

not attested not anchored not stored refs pending

Efficient Photonic Crystal Cavity-Waveguide Couplers

Andrei Faraon, Dirk Englund, Edo Waks, Ilya Fushman, Jelena Vuckovic

arxiv:physics/0610105 v1 · 2006-10-13 · 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{T4S4FWGYOAFL3UP5MWNPD6CFZ2}

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	2026-05-18T01:38:06.514096Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f25c2d8d8700abdd1fd659af1f845cea0aec4e368360738ad8a699ffab76b4f

Aliases

arxiv: physics/0610105 · arxiv_version: physics/0610105v1 · doi: 10.48550/arxiv.physics/0610105 · pith_short_12: T4S4FWGYOAFL · pith_short_16: T4S4FWGYOAFL3UP5 · pith_short_8: T4S4FWGY

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/T4S4FWGYOAFL3UP5MWNPD6CFZ2 \
  | 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: 9f25c2d8d8700abdd1fd659af1f845cea0aec4e368360738ad8a699ffab76b4f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb0bdc5fe1188ae5c9e81fbd28e96d6f05f4da8da4425ef9074422c08449ce06",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "physics.optics",
    "submitted_at": "2006-10-13T23:12:32Z",
    "title_canon_sha256": "98feacdabc92ac8b7e0da275dfb18b5383f33512fce9b53f2ceac8192edb5ccb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0610105",
    "kind": "arxiv",
    "version": 1
  }
}