Pith Number

pith:Q34VT4VH

pith:2022:Q34VT4VH5ZSAG63QKUNYUHGGVR

not attested not anchored not stored refs pending

Automated machine learning for secure key rate in discrete-modulated continuous-variable quantum key distribution

Chen-Long Li, Hua-Lei Yin, Jie Gu, Min-Gang Zhou, Wen-Bo Liu, Zeng-Bing Chen, Zhi-Ping Liu

arxiv:2201.09419 v2 · 2022-01-24 · quant-ph · cs.CR · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q34VT4VH5ZSAG63QKUNYUHGGVR}

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	2026-07-05T04:17:38.904123Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86f959f2a7ee64037b70551b8a1cc6ac5666b97f7f15314c9ac6c5bbcf8bf9cd

Aliases

arxiv: 2201.09419 · arxiv_version: 2201.09419v2 · doi: 10.48550/arxiv.2201.09419 · pith_short_12: Q34VT4VH5ZSA · pith_short_16: Q34VT4VH5ZSAG63Q · pith_short_8: Q34VT4VH

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/Q34VT4VH5ZSAG63QKUNYUHGGVR \
  | 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: 86f959f2a7ee64037b70551b8a1cc6ac5666b97f7f15314c9ac6c5bbcf8bf9cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a3f9caaaa378cb9a7e21aebe7799d83b068e6f60e0a15fb3c65cdd8f7b17fdb8",
    "cross_cats_sorted": [
      "cs.CR",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2022-01-24T02:21:28Z",
    "title_canon_sha256": "2d70938481381f241834b9171f8d0f90d382bc20ff703027c5a50ba6bfa686b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.09419",
    "kind": "arxiv",
    "version": 2
  }
}