Pith Number

pith:SGHMI6VU

pith:2004:SGHMI6VUW4I6IYNHOI6YYIPO5S

not attested not anchored not stored refs pending

Efficient and Robust Quantum Key Distribution With Minimal State Tomography

Berthold-Georg Englert, Dagomir Kaszlikowski, Hui Khoon Ng, Janet Anders, Jaroslav \v{R}eh\'a\v{c}ek, Wee Kang Chua

arxiv:quant-ph/0412075 v4 · 2004-12-09 · 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{SGHMI6VUW4I6IYNHOI6YYIPO5S}

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

Quantum randomness beyond projective measurements

Receipt and verification

First computed	2026-07-04T15:11:39.269286Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

918ec47ab4b711e461a7723d8c21eeecb70c809980d733314142d40a5fdbe3a7

Aliases

arxiv: quant-ph/0412075 · arxiv_version: quant-ph/0412075v4 · doi: 10.48550/arxiv.quant-ph/0412075 · pith_short_12: SGHMI6VUW4I6 · pith_short_16: SGHMI6VUW4I6IYNH · pith_short_8: SGHMI6VU

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/SGHMI6VUW4I6IYNHOI6YYIPO5S \
  | 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: 918ec47ab4b711e461a7723d8c21eeecb70c809980d733314142d40a5fdbe3a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1719036e8b8b4e3367ac40c80af8f636df6f6f0a02a9d94d0710fb2a144f1aad",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2004-12-09T22:13:52Z",
    "title_canon_sha256": "bcf3376836012b68ce908f002bbc68b9001b88363e5504d47729417ba4e9d59d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0412075",
    "kind": "arxiv",
    "version": 4
  }
}