Pith Number

pith:GHYIU4D7

pith:2021:GHYIU4D7CY2TH5MHEXCMTB6DZY

not attested not anchored not stored refs pending

On-chip integrated waveguide amplifiers on Erbium-doped thin film lithium niobate on insulator

Difeng Yin, Haisu Zhang, Jianhao Zhang, Junxia Zhou, Min Wang, Rongbo Wu, Wei Chen, Wei Chu, Ya Cheng, Youting Liang, Yuan Zhou, Zhaoxiang Liu, Zhe Wang, Zhiwei Fang

arxiv:2101.00783 v1 · 2021-01-04 · 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{GHYIU4D7CY2TH5MHEXCMTB6DZY}

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	2026-07-05T02:04:21.779969Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

31f08a707f163533f58725c4c987c3ce32e7d735ea7652deec40e8efae98f04e

Aliases

arxiv: 2101.00783 · arxiv_version: 2101.00783v1 · doi: 10.48550/arxiv.2101.00783 · pith_short_12: GHYIU4D7CY2T · pith_short_16: GHYIU4D7CY2TH5MH · pith_short_8: GHYIU4D7

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/GHYIU4D7CY2TH5MHEXCMTB6DZY \
  | 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: 31f08a707f163533f58725c4c987c3ce32e7d735ea7652deec40e8efae98f04e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "34a2fe84ad9d46a41b97e826e4b4ac4fdbd9fdbd131a27701a0b586e4cd6a550",
    "cross_cats_sorted": [
      "physics.app-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2021-01-04T05:48:04Z",
    "title_canon_sha256": "c3c482ed140139c55c4073def98911ce26ff0b0bcc8dc0c75e3394ba23bab724"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.00783",
    "kind": "arxiv",
    "version": 1
  }
}