Pith Number

pith:FWVGRVRJ

pith:2007:FWVGRVRJXEOP5EVPZNEKHWA5HB

not attested not anchored not stored refs pending

Quantum Cryptography: from Theory to Practice

Hoi-Kwong Lo, Norbert L\"utkenhaus

arxiv:quant-ph/0702202 v3 · 2007-02-22 · 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{FWVGRVRJXEOP5EVPZNEKHWA5HB}

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	2026-05-18T01:18:57.816098Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2daa68d629b91cfe92afcb48a3d81d386b979fce348e57fc53c3128960f80327

Aliases

arxiv: quant-ph/0702202 · arxiv_version: quant-ph/0702202v3 · doi: 10.48550/arxiv.quant-ph/0702202 · pith_short_12: FWVGRVRJXEOP · pith_short_16: FWVGRVRJXEOP5EVP · pith_short_8: FWVGRVRJ

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/FWVGRVRJXEOP5EVPZNEKHWA5HB \
  | 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: 2daa68d629b91cfe92afcb48a3d81d386b979fce348e57fc53c3128960f80327

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b46e7b0724cc523e847e0517731e45e5d8c8e52db824ca91e19f7bd82bf4052",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2007-02-22T01:32:42Z",
    "title_canon_sha256": "0c25ab139580c572c39a09e05e64b99f8436de47a4acf06a82f27f622e8b522f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0702202",
    "kind": "arxiv",
    "version": 3
  }
}