Pith Number

pith:WXA5XA3K

pith:2022:WXA5XA3KRCUMPJIXMDEP53CBKK

not attested not anchored not stored refs pending

Sensitive control of broad-area semiconductor lasers by cavity shape

Hui Cao, KyungDuk Kim, Ortwin Hess, Qi Jie Wang, Stefan Bittner, Stefano Guazzotti, Yongquan Zeng, Yuhao Jin

arxiv:2201.02695 v2 · 2022-01-07 · 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{WXA5XA3KRCUMPJIXMDEP53CBKK}

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	2026-07-05T04:25:35.189634Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b5c1db836a88a8c7a51760c8feec4152b8711bcd4926d5e6b013cf97420b9364

Aliases

arxiv: 2201.02695 · arxiv_version: 2201.02695v2 · doi: 10.48550/arxiv.2201.02695 · pith_short_12: WXA5XA3KRCUM · pith_short_16: WXA5XA3KRCUMPJIX · pith_short_8: WXA5XA3K

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/WXA5XA3KRCUMPJIXMDEP53CBKK \
  | 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: b5c1db836a88a8c7a51760c8feec4152b8711bcd4926d5e6b013cf97420b9364

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "67112e38c12d9b8643423c4cee21f319eaff0381e9991652b22c01a0ce97e088",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2022-01-07T22:26:32Z",
    "title_canon_sha256": "21789b9e30dc5a6c9cdf8dc9c4c8f307e70ccfc192660c47dfb6014fb6901b21"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.02695",
    "kind": "arxiv",
    "version": 2
  }
}