Pith Number

pith:4LE22YQL

pith:2025:4LE22YQL6UOCQXRZSWPMCPFYTL

not attested not anchored not stored refs pending

Arrayed waveguide gratings in lithium tantalate integrated photonics

Chengli Wang, Grigory Lihachev, Jiachen Cai, Jianqi Hu, Shivaprasad U. Hulyal, Tobias J. Kippenberg

arxiv:2504.12917 v1 · 2025-04-17 · 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{4LE22YQL6UOCQXRZSWPMCPFYTL}

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	2026-07-05T11:43:31.825541Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2c9ad620bf51c285e39959ec13cb89afa79a8279aa28d4b0e66b9087947d77b

Aliases

arxiv: 2504.12917 · arxiv_version: 2504.12917v1 · doi: 10.48550/arxiv.2504.12917 · pith_short_12: 4LE22YQL6UOC · pith_short_16: 4LE22YQL6UOCQXRZ · pith_short_8: 4LE22YQL

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/4LE22YQL6UOCQXRZSWPMCPFYTL \
  | 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: e2c9ad620bf51c285e39959ec13cb89afa79a8279aa28d4b0e66b9087947d77b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "deb7fafde3807e0adbaf44f99d1da8d7ee139782210d7678c07944256a59479a",
    "cross_cats_sorted": [
      "physics.app-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2025-04-17T13:06:02Z",
    "title_canon_sha256": "a49bb3737339e66f68b7e55380f64f596f9279d3c4391a9eb8b47bdb1ef21137"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.12917",
    "kind": "arxiv",
    "version": 1
  }
}