Pith Number

pith:KKMQ22JP

pith:2019:KKMQ22JPFULZLUAKOUBPLBETOG

not attested not anchored not stored refs pending

Ultra-Compact Coupling Structures for Heterogeneously Integrated Silicon Lasers

An He, Hongwei Wang, Lu Sun, Xuhan Guo, Yikai Su

arxiv:1906.12027 v1 · 2019-06-28 · 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{KKMQ22JPFULZLUAKOUBPLBETOG}

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	2026-05-17T23:41:59.491362Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

52990d692f2d1795d00a7502f58493718933b94c67f72d863e64360bf38163ca

Aliases

arxiv: 1906.12027 · arxiv_version: 1906.12027v1 · doi: 10.48550/arxiv.1906.12027 · pith_short_12: KKMQ22JPFULZ · pith_short_16: KKMQ22JPFULZLUAK · pith_short_8: KKMQ22JP

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/KKMQ22JPFULZLUAKOUBPLBETOG \
  | 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: 52990d692f2d1795d00a7502f58493718933b94c67f72d863e64360bf38163ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c27103abfc73a0c4681c900afbbbd98e618ade71a8e24417b9007144fc8a3e1",
    "cross_cats_sorted": [
      "physics.app-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2019-06-28T03:24:54Z",
    "title_canon_sha256": "d37917f2dc823b31232055876ade21c89912763b8e90d2732c2567aa8e32586d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.12027",
    "kind": "arxiv",
    "version": 1
  }
}