Pith Number

pith:JRI33OGT

pith:2020:JRI33OGTEAJIGXPO6RUAE2SHQL

not attested not anchored not stored refs pending

Hacking single-photon avalanche detector in quantum key distribution via pulse illumination

Anqi Huang, Huan Chen, Jiangfang Ding, Junjie Wu, Ping Xu, Shi-Hai Sun, Xiang Fu, Xiaogang Qiang, Zhihao Wu

arxiv:2002.09146 v2 · 2020-02-21 · 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{JRI33OGTEAJIGXPO6RUAE2SHQL}

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	2026-07-05T01:42:33.759780Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4c51bdb8d32012835deef468026a4782d47f4eddbe7a05a5bc196dd9af2c9426

Aliases

arxiv: 2002.09146 · arxiv_version: 2002.09146v2 · doi: 10.48550/arxiv.2002.09146 · pith_short_12: JRI33OGTEAJI · pith_short_16: JRI33OGTEAJIGXPO · pith_short_8: JRI33OGT

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/JRI33OGTEAJIGXPO6RUAE2SHQL \
  | 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: 4c51bdb8d32012835deef468026a4782d47f4eddbe7a05a5bc196dd9af2c9426

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "71dcb53388a3460d63fc85ec669e222ee98239d4970eeb8a88292af7d45c5241",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-02-21T06:05:18Z",
    "title_canon_sha256": "e21ef1430dadac0e016858d4a8788ca292ff680d534bba6a7024ced99dbcf72f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.09146",
    "kind": "arxiv",
    "version": 2
  }
}