Pith Number

pith:645C5KKP

pith:2025:645C5KKPOB7LULGVOFSMJZVXGW

not attested not anchored not stored refs pending

Heterogeneous-free narrow linewidth semiconductor laser with optical injection locking

Anthony E. Kelly, John H. Marsh, Jue Wang, Lianping Hou, Stephen. J. Sweeney, Xiao Sun, Yiming Sun, Yupei Wang, Zhibo Li

arxiv:2501.07657 v1 · 2025-01-13 · physics.optics

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{645C5KKPOB7LULGVOFSMJZVXGW}

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	2026-07-05T10:00:48.267407Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f73a2ea94f707eba2cd57164c4e6b735993034e83539e94b66027071eac8f0ca

Aliases

arxiv: 2501.07657 · arxiv_version: 2501.07657v1 · doi: 10.48550/arxiv.2501.07657 · pith_short_12: 645C5KKPOB7L · pith_short_16: 645C5KKPOB7LULGV · pith_short_8: 645C5KKP

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/645C5KKPOB7LULGVOFSMJZVXGW \
  | 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: f73a2ea94f707eba2cd57164c4e6b735993034e83539e94b66027071eac8f0ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43fce3427a9cf56482aff4d9b2d2b69b705e0833b3b4dec1f3cb9908ed9a081d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2025-01-13T19:32:30Z",
    "title_canon_sha256": "8d95ff6e91bbde6ef116956c2b14bd358a9dcbe13d607b8b153b429a9f40c257"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.07657",
    "kind": "arxiv",
    "version": 1
  }
}