Pith Number

pith:UQ6MSBWN

pith:1999:UQ6MSBWN5CTOYLIYHKG6RIMEO6

not attested not anchored not stored refs pending

Practical quantum key distribution over a 48-km optical fiber network

C. Glen Peterson (Los Alamos National Laboratory), George L. Morgan, Richard J. Hughes

arxiv:quant-ph/9904038 v1 · 1999-04-08 · 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{UQ6MSBWN5CTOYLIYHKG6RIMEO6}

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	2026-05-18T01:37:52.559469Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a43cc906cde8a6ec2d183a8de8a18477846bfe1db7301f926a96c567e31fe164

Aliases

arxiv: quant-ph/9904038 · arxiv_version: quant-ph/9904038v1 · doi: 10.48550/arxiv.quant-ph/9904038 · pith_short_12: UQ6MSBWN5CTO · pith_short_16: UQ6MSBWN5CTOYLIY · pith_short_8: UQ6MSBWN

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/UQ6MSBWN5CTOYLIYHKG6RIMEO6 \
  | 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: a43cc906cde8a6ec2d183a8de8a18477846bfe1db7301f926a96c567e31fe164

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da29db15cb361615eec09db1328a05851fd811a82584757807a3b96b59497f3a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "1999-04-08T22:20:48Z",
    "title_canon_sha256": "cb3984fee3509b5705f1d6d6d582c530225609abe1f516e3d5d9809ddbcdce68"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/9904038",
    "kind": "arxiv",
    "version": 1
  }
}