Pith Number

pith:QFNCEG3Z

pith:2022:QFNCEG3ZP6CCVPQYOUHIITVRGR

not attested not anchored not stored refs pending

On-chip integrated Yb3+-doped waveguide amplifiers on thin film lithium niobate

Haisu Zhang, Jian Liu, Jianping Yu, Junxia Zhou, Min Wang, Rui Bao, Ting Huang, Ya Cheng, Youting Liang, Yuan Zhou, Zhe Wang, Zhihao Zhang, Zhiwei Fang

arxiv:2202.11548 v1 · 2022-02-23 · 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{QFNCEG3ZP6CCVPQYOUHIITVRGR}

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	2026-07-05T03:59:34.360027Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

815a221b797f842abe18750e844eb1345991df2ec5dd638a9c983f90718f3cc3

Aliases

arxiv: 2202.11548 · arxiv_version: 2202.11548v1 · doi: 10.48550/arxiv.2202.11548 · pith_short_12: QFNCEG3ZP6CC · pith_short_16: QFNCEG3ZP6CCVPQY · pith_short_8: QFNCEG3Z

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/QFNCEG3ZP6CCVPQYOUHIITVRGR \
  | 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: 815a221b797f842abe18750e844eb1345991df2ec5dd638a9c983f90718f3cc3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "68d47c78030f08f75c86a220fceb2d3cde4f5662271fec6a64c1229f4022c61c",
    "cross_cats_sorted": [
      "physics.app-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2022-02-23T14:46:13Z",
    "title_canon_sha256": "182ae430a9b2399490f7ef14cb8fc52bc34ab1314313fde1aca9b1cfd6f4a751"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.11548",
    "kind": "arxiv",
    "version": 1
  }
}