Pith Number

pith:KDTGJFEZ

pith:2021:KDTGJFEZPIRIX22N2D6XTAP5WH

not attested not anchored not stored refs pending

A high-gain cladded waveguide amplifier on erbium doped thin-film lithium niobate fabricated using photolithography assisted chemo-mechanical etching

Difeng Yin, Haisu Zhang, Jianping Yu, Jintian Lin, Junxia Zhou, Min Wang, Rongbo Wu, Ya Cheng, Youting Liang, Yuan Zhou, Zhaoxiang Liu, Zhiwei Fang

arxiv:2111.05571 v1 · 2021-11-10 · 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{KDTGJFEZPIRIX22N2D6XTAP5WH}

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	2026-07-05T03:30:46.022902Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

50e66494997a228beb4dd0fd7981fdb1d71a2b965542a6e7ef3075dee1e69966

Aliases

arxiv: 2111.05571 · arxiv_version: 2111.05571v1 · doi: 10.48550/arxiv.2111.05571 · pith_short_12: KDTGJFEZPIRI · pith_short_16: KDTGJFEZPIRIX22N · pith_short_8: KDTGJFEZ

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/KDTGJFEZPIRIX22N2D6XTAP5WH \
  | 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: 50e66494997a228beb4dd0fd7981fdb1d71a2b965542a6e7ef3075dee1e69966

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e2eaa427226b00db142c4ccbd957e769efe422267efecd86c674dbefbdf0511",
    "cross_cats_sorted": [
      "physics.app-ph"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2021-11-10T08:44:58Z",
    "title_canon_sha256": "eb9631036e34a68e31ae34757945b2fe3f718806c4413c4f2218a048682db683"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.05571",
    "kind": "arxiv",
    "version": 1
  }
}