Pith Number

pith:XR3XXFVA

pith:2019:XR3XXFVAMWZJ4VY5JR6WQHYZRM

not attested not anchored not stored refs pending

Secure quantum key distribution with realistic devices

Feihu Xu, Hoi-Kwong Lo, Jian-Wei Pan, Qiang Zhang, Xiongfeng Ma

arxiv:1903.09051 v3 · 2019-03-21 · 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{XR3XXFVAMWZJ4VY5JR6WQHYZRM}

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.

Cited by

1 paper in Pith

Teleportation-based collective attacks in Gaussian quantum key distribution

Receipt and verification

First computed	2026-07-05T01:06:30.245035Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc777b96a065b29e571d4c7d681f198b3fd48a1ff05a979261e4ba42b791bcda

Aliases

arxiv: 1903.09051 · arxiv_version: 1903.09051v3 · doi: 10.48550/arxiv.1903.09051 · pith_short_12: XR3XXFVAMWZJ · pith_short_16: XR3XXFVAMWZJ4VY5 · pith_short_8: XR3XXFVA

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/XR3XXFVAMWZJ4VY5JR6WQHYZRM \
  | 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: bc777b96a065b29e571d4c7d681f198b3fd48a1ff05a979261e4ba42b791bcda

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed9c05cdf88748bab3e5ab7d5abdd335d50b9294da4132a8fb9553a89b462951",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-03-21T15:21:16Z",
    "title_canon_sha256": "36bcefc25f9d8813b17e3547cdeee86c676a5ce2e68b5b5c0f6b43068fce0a3c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.09051",
    "kind": "arxiv",
    "version": 3
  }
}