Pith Number

pith:G4LL2MUW

pith:2022:G4LL2MUWUYZ7PVFFVI6IHT7Z7G

not attested not anchored not stored refs pending

Packaging-enhanced optical fiber-chip interconnect with enlarged grating coupler and multimode fiber

Aref Asghari, Chao Wang, Chingwen Chang, Huiping Tian, James Fan, Jason Midkiff, JianYing Zhou, Ray T. Chen, Xiaochuan Xu

arxiv:2201.08248 v1 · 2022-01-18 · physics.app-ph · 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{G4LL2MUWUYZ7PVFFVI6IHT7Z7G}

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	2026-07-05T03:50:10.160862Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3716bd3296a633f7d4a5aa3c83cff9f98d1adc1b58908f59c29e5e2de459c7e9

Aliases

arxiv: 2201.08248 · arxiv_version: 2201.08248v1 · doi: 10.48550/arxiv.2201.08248 · pith_short_12: G4LL2MUWUYZ7 · pith_short_16: G4LL2MUWUYZ7PVFF · pith_short_8: G4LL2MUW

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/G4LL2MUWUYZ7PVFFVI6IHT7Z7G \
  | 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: 3716bd3296a633f7d4a5aa3c83cff9f98d1adc1b58908f59c29e5e2de459c7e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "800104b3133b6e97785f429d30ca3fbd69f64fee88af41a9f7a6b2b7db084119",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2022-01-18T17:55:10Z",
    "title_canon_sha256": "c53f3c53e4f0c7d4604662dafa123b71102d9ac15ac2f61af0655a6319312ad2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.08248",
    "kind": "arxiv",
    "version": 1
  }
}