Pith Number

pith:WXHGHCPN

pith:2022:WXHGHCPNW4LYEGO2FCJLNQKUHT

not attested not anchored not stored refs pending

Monolithically integrated waveguide-coupled single-frequency microlaser on erbium-doped thin film lithium niobate

Difeng Yin, Haisu Zhang, Jian Liu, Junxia Zhou, Min Wang, Rongbo Wu, Shupeng Yu, Ya Cheng, Youting Liang, Yuan Zhou, Zhaoxiang Liu, Zhenhua Wang, Zhiwei Fang

arxiv:2201.11959 v1 · 2022-01-28 · 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{WXHGHCPNW4LYEGO2FCJLNQKUHT}

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	2026-07-05T03:52:18.925867Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b5ce6389edb7178219da2892b6c1543cccd99e63918bab4780005bee687dfde7

Aliases

arxiv: 2201.11959 · arxiv_version: 2201.11959v1 · doi: 10.48550/arxiv.2201.11959 · pith_short_12: WXHGHCPNW4LY · pith_short_16: WXHGHCPNW4LYEGO2 · pith_short_8: WXHGHCPN

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/WXHGHCPNW4LYEGO2FCJLNQKUHT \
  | 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: b5ce6389edb7178219da2892b6c1543cccd99e63918bab4780005bee687dfde7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "528ee8acd84eb70ffa862c12531bd7df12ecd3de1b90b11e4fd68e8a6961d479",
    "cross_cats_sorted": [
      "physics.app-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2022-01-28T07:04:28Z",
    "title_canon_sha256": "5814e280321a3745527018af5c25cec58135acb7942d597106c0495c83bb3b3a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.11959",
    "kind": "arxiv",
    "version": 1
  }
}