Pith Number

pith:7RH33O6Y

pith:2021:7RH33O6YAMIUKI6VBYV52TLECA

not attested not anchored not stored refs pending

On-chip erbium-doped lithium niobate microring lasers

Chen Yang, Dahuai Zheng, Fang Bo, Feng Gao, Guoquan Zhang, Hongde Liu, Jingjun Xu, Qiang Luo, Ru Zhang, Xuanyi Yu, Yongfa Kong, Zhengzhong Hao

arxiv:2103.09558 v2 · 2021-03-17 · 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{7RH33O6YAMIUKI6VBYV52TLECA}

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	2026-07-05T03:00:51.546704Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc4fbdbbd803114523d50e2bdd4d6410321a40873de26c4c870ad852fc089e26

Aliases

arxiv: 2103.09558 · arxiv_version: 2103.09558v2 · doi: 10.48550/arxiv.2103.09558 · pith_short_12: 7RH33O6YAMIU · pith_short_16: 7RH33O6YAMIUKI6V · pith_short_8: 7RH33O6Y

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/7RH33O6YAMIUKI6VBYV52TLECA \
  | 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: fc4fbdbbd803114523d50e2bdd4d6410321a40873de26c4c870ad852fc089e26

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9af3de9e81ce1811414cdd3fc78a7627a4eaef07c1c5bbe250ef2cd67d676fc7",
    "cross_cats_sorted": [
      "physics.app-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2021-03-17T10:43:13Z",
    "title_canon_sha256": "9b9813fa411bc8e6ef235bca688428cce54e5f56aaee4136cc40d58d6c605e8a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.09558",
    "kind": "arxiv",
    "version": 2
  }
}