Pith Number

pith:NORTXOIC

pith:2017:NORTXOIC5T2GGPYZXOTXTHEA5G

not attested not anchored not stored refs pending

Continuous-variable QKD over 50km commercial fiber

Binjie Chu, Christian Weedbrook, Chunchao Xu, Gan Wang, Hong Guo, Mei Li, Nan Meng, Song Yu, Weiwen Cai, Xiangyu Wang, Xiaoxiong Zhang, Xinyu Gao, Xueying Zhang, Yi-Chen Zhang, Yijia Zhao, Yundi Huang, Zheng Wang, Zhengyu Li, Zhenya Wang, Ziyang Chen, Ziyong Zheng

arxiv:1709.04618 v2 · 2017-09-14 · 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{NORTXOIC5T2GGPYZXOTXTHEA5G}

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	2026-05-17T23:44:43.525835Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ba33bb902ecf4633f19bba7799c80e994a28e577e30a874ff5c9b31b440a64a

Aliases

arxiv: 1709.04618 · arxiv_version: 1709.04618v2 · doi: 10.48550/arxiv.1709.04618 · pith_short_12: NORTXOIC5T2G · pith_short_16: NORTXOIC5T2GGPYZ · pith_short_8: NORTXOIC

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/NORTXOIC5T2GGPYZXOTXTHEA5G \
  | 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: 6ba33bb902ecf4633f19bba7799c80e994a28e577e30a874ff5c9b31b440a64a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "88d7dfc9b261903fa54181cb9f324de9d85ce131a248de66f5df496bf213f8c9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-09-14T05:39:51Z",
    "title_canon_sha256": "164284079ae3d1c20e69f77910942c99904b23f76620554e8537fec0d46e18d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.04618",
    "kind": "arxiv",
    "version": 2
  }
}