Pith Number

pith:OA5XDV6X

pith:2023:OA5XDV6XWWV3N4RKXK3UDQX7UZ

not attested not anchored not stored refs pending

Security boundaries of an optical power limiter for protecting quantum key distribution systems

Anqi Huang, Binwu Gao, Dongyang Wang, Jiangfang Ding, Junjie Wu, Konstantin Zaitsev, Qingquan Peng, Qin Liao, Ying Guo, Yingwen Liu

arxiv:2303.12355 v3 · 2023-03-22 · quant-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{OA5XDV6XWWV3N4RKXK3UDQX7UZ}

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	2026-07-05T07:39:26.889476Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

703b71d7d7b5abb6f22abab741c2ffa64a377a601c4a963e940aaccc2004702c

Aliases

arxiv: 2303.12355 · arxiv_version: 2303.12355v3 · doi: 10.48550/arxiv.2303.12355 · pith_short_12: OA5XDV6XWWV3 · pith_short_16: OA5XDV6XWWV3N4RK · pith_short_8: OA5XDV6X

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/OA5XDV6XWWV3N4RKXK3UDQX7UZ \
  | 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: 703b71d7d7b5abb6f22abab741c2ffa64a377a601c4a963e940aaccc2004702c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf09aff4f4fae5fa2362538f0aa2d9c18749665baa9ece7727f905b8071a8c32",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2023-03-22T07:46:42Z",
    "title_canon_sha256": "902430593d094a8ae7a0113b66f99ee88d9be34c236962ee33a3d0d034e06253"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.12355",
    "kind": "arxiv",
    "version": 3
  }
}