Pith Number

pith:AQY43MK7

pith:2005:AQY43MK7RJ2WMTUAHRZQ2GL7MW

not attested not anchored not stored refs pending

Codes for Key Generation in Quantum Cryptography

Berthold-Georg Englert, Chaoping Xing, Fang-Wei Fu, Harald Niederreiter

arxiv:quant-ph/0504093 v1 · 2005-04-12 · 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{AQY43MK7RJ2WMTUAHRZQ2GL7MW}

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	2026-05-18T00:36:52.310961Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0431cdb15f8a75664e803c730d197f65a187a52498f578615a00b7e7babebcd2

Aliases

arxiv: quant-ph/0504093 · arxiv_version: quant-ph/0504093v1 · doi: 10.48550/arxiv.quant-ph/0504093 · pith_short_12: AQY43MK7RJ2W · pith_short_16: AQY43MK7RJ2WMTUA · pith_short_8: AQY43MK7

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/AQY43MK7RJ2WMTUAHRZQ2GL7MW \
  | 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: 0431cdb15f8a75664e803c730d197f65a187a52498f578615a00b7e7babebcd2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd6033919235ad0cf460a962bc7696384aec41f8a81204dd746c91bb82621b44",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2005-04-12T14:37:55Z",
    "title_canon_sha256": "b47182439d066495ee9d7b772dde2b3812f5d7b0e5ebdf17af3182f3be94e864"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0504093",
    "kind": "arxiv",
    "version": 1
  }
}