Pith Number

pith:HQJVI5XU

pith:2018:HQJVI5XUJCXVGUTWJLZ24XTQF4

not attested not anchored not stored refs pending

Strong light illumination on gain-switched semiconductor lasers helps the eavesdropper in practical quantum key distribution systems

Hong Wang, Ming Gao, Xiang-Dong Meng, Yang-Yang Fei, Yi Yang, Zhi Ma

arxiv:1803.05616 v1 · 2018-03-15 · quant-ph · 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{HQJVI5XUJCXVGUTWJLZ24XTQF4}

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	2026-05-18T00:20:29.722588Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c135476f448af5352764af3ae5e702f3073d31dd2d9ac71eaac1018216b3394

Aliases

arxiv: 1803.05616 · arxiv_version: 1803.05616v1 · doi: 10.48550/arxiv.1803.05616 · pith_short_12: HQJVI5XUJCXV · pith_short_16: HQJVI5XUJCXVGUTW · pith_short_8: HQJVI5XU

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/HQJVI5XUJCXVGUTWJLZ24XTQF4 \
  | 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: 3c135476f448af5352764af3ae5e702f3073d31dd2d9ac71eaac1018216b3394

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd725caa338e81de70c7945ad684df6b15686c43336358846c62b02139145010",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-03-15T07:12:15Z",
    "title_canon_sha256": "f1fc0c7d322068dcdae826de27d434f4c98964e1ac7ad0951a8f5f12b7b71c83"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.05616",
    "kind": "arxiv",
    "version": 1
  }
}