Pith Number

pith:5EQMKLZO

pith:2005:5EQMKLZOUZGRQZJSB6OARETF3E

not attested not anchored not stored refs pending

Generic Security Proof of Quantum Key Exchange using Squeezed States

Berry Schoenmakers, Karin Poels, Pim Tuyls

arxiv:quant-ph/0508072 v1 · 2005-08-09 · quant-ph · cs.CR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5EQMKLZOUZGRQZJSB6OARETF3E}

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	2026-05-18T00:23:46.411421Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e920c52f2ea64d1865320f9c089265d914f6094786d3c97c2589cca626d34ba1

Aliases

arxiv: quant-ph/0508072 · arxiv_version: quant-ph/0508072v1 · doi: 10.48550/arxiv.quant-ph/0508072 · pith_short_12: 5EQMKLZOUZGR · pith_short_16: 5EQMKLZOUZGRQZJS · pith_short_8: 5EQMKLZO

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/5EQMKLZOUZGRQZJSB6OARETF3E \
  | 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: e920c52f2ea64d1865320f9c089265d914f6094786d3c97c2589cca626d34ba1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f825902e7c33a875b18f528d23adb91bff0887af45ea0c1860a1c7642b70722d",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2005-08-09T08:08:55Z",
    "title_canon_sha256": "f411c4525adb93b500334be50c3a1fe6fee1998dc98cb0177216127a261046a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0508072",
    "kind": "arxiv",
    "version": 1
  }
}