Pith Number

pith:4JLBJY5L

pith:2009:4JLBJY5LEHBCSF43EUFXFI5C32

not attested not anchored not stored refs pending

The Case for Quantum Key Distribution

Douglas Stebila, Michele Mosca, Norbert L\"utkenhaus

arxiv:0902.2839 v2 · 2009-02-17 · 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{4JLBJY5LEHBCSF43EUFXFI5C32}

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	2026-07-04T17:20:06.964107Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e25614e3ab21c229179b250b72a3a2de99068f98e33f0fe39fb48f256e01eead

Aliases

arxiv: 0902.2839 · arxiv_version: 0902.2839v2 · doi: 10.48550/arxiv.0902.2839 · pith_short_12: 4JLBJY5LEHBC · pith_short_16: 4JLBJY5LEHBCSF43 · pith_short_8: 4JLBJY5L

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/4JLBJY5LEHBCSF43EUFXFI5C32 \
  | 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: e25614e3ab21c229179b250b72a3a2de99068f98e33f0fe39fb48f256e01eead

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "105955fc0e526b0b2dfc4de2248c8d34a4700c5b823da3252fc2e7224fba58c1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-02-17T05:31:36Z",
    "title_canon_sha256": "030801720b974ee75dacdcd2d4824cf8173d72ca8e6adb7060d36fcde63302ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.2839",
    "kind": "arxiv",
    "version": 2
  }
}