Pith Number

pith:XQQT2ZWO

pith:2018:XQQT2ZWOV2PYOC3WLSIG6N2G5A

not attested not anchored not stored refs pending

High Efficiency Postprocessing for Continuous-variable Quantum Key Distribution: Using All Raw Keys for Parameter Estimation and Key Extraction

Hong Guo, Song Yu, Xiangyu Wang, Yi-Chen Zhang

arxiv:1806.00173 v1 · 2018-06-01 · 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{XQQT2ZWOV2PYOC3WLSIG6N2G5A}

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	2026-05-18T00:14:27.712341Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc213d66ceae9f870b765c906f3746e81e769a3935c5e470df91bdd7099a45f0

Aliases

arxiv: 1806.00173 · arxiv_version: 1806.00173v1 · doi: 10.48550/arxiv.1806.00173 · pith_short_12: XQQT2ZWOV2PY · pith_short_16: XQQT2ZWOV2PYOC3W · pith_short_8: XQQT2ZWO

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/XQQT2ZWOV2PYOC3WLSIG6N2G5A \
  | 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: bc213d66ceae9f870b765c906f3746e81e769a3935c5e470df91bdd7099a45f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "daaf3109bce5c460a5c63273575e3ee0a8242253bbe63651ba1f4ea14706758c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-06-01T02:40:53Z",
    "title_canon_sha256": "098353885a290ee1c5c4415fc2a623dfbda5aa032f67a593a956df3fe7c46c47"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.00173",
    "kind": "arxiv",
    "version": 1
  }
}