Pith Number

pith:O6UCFB3J

pith:2002:O6UCFB3JDQ3HZQLDP25H23GCH2

not attested not anchored not stored refs pending

Quantum Key Distribution with High Loss: Toward Global Secure Communication

W.-Y. Hwang

arxiv:quant-ph/0211153 v5 · 2002-11-24 · 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{O6UCFB3JDQ3HZQLDP25H23GCH2}

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

Demonstration of Quantum-Secure Communications in a Nuclear Reactor

Receipt and verification

First computed	2026-07-04T16:36:13.379557Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77a82287691c367cc1637eba7d6cc23e976007870c55d180e2ef4c100e302127

Aliases

arxiv: quant-ph/0211153 · arxiv_version: quant-ph/0211153v5 · doi: 10.48550/arxiv.quant-ph/0211153 · pith_short_12: O6UCFB3JDQ3H · pith_short_16: O6UCFB3JDQ3HZQLD · pith_short_8: O6UCFB3J

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/O6UCFB3JDQ3HZQLDP25H23GCH2 \
  | 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: 77a82287691c367cc1637eba7d6cc23e976007870c55d180e2ef4c100e302127

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "89b2062aab1607ca3c7f956aa881ddf56b6b13e92c584a430eeba4b5ec64e70e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2002-11-24T07:33:47Z",
    "title_canon_sha256": "b6ade1d48527e6b434cf047c0921685bfdd37a4900c0ca9e6dc7b9f9e6af4e81"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0211153",
    "kind": "arxiv",
    "version": 5
  }
}