Pith Number

pith:NJBQU5OA

pith:2006:NJBQU5OA6QYYWSDB3ZUVJDOCCS

not attested not anchored not stored refs pending

Universal quantum circuit for n-qubit quantum gate: A programmable quantum gate

P. B. M. Sousa, R. V. Ramos

arxiv:quant-ph/0602174 v2 · 2006-02-21 · 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{NJBQU5OA6QYYWSDB3ZUVJDOCCS}

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

Hamiltonian Expressibility for Ansatz Selection in Variational Quantum Algorithms

Receipt and verification

First computed	2026-07-04T14:53:31.060054Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a430a75c0f4318b4861de69548dc214b6d3d382e4ad17d49221ac9b7531be76

Aliases

arxiv: quant-ph/0602174 · arxiv_version: quant-ph/0602174v2 · doi: 10.48550/arxiv.quant-ph/0602174 · pith_short_12: NJBQU5OA6QYY · pith_short_16: NJBQU5OA6QYYWSDB · pith_short_8: NJBQU5OA

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/NJBQU5OA6QYYWSDB3ZUVJDOCCS \
  | 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: 6a430a75c0f4318b4861de69548dc214b6d3d382e4ad17d49221ac9b7531be76

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b5417ef3fdb28bfd7630c05893805c2310a7d136e73dc22eba168b81e4329ce9",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2006-02-21T19:41:05Z",
    "title_canon_sha256": "f1364fa348827173203f4f808be24b6a9511cceedcc09717bbb505e2e873dcd3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0602174",
    "kind": "arxiv",
    "version": 2
  }
}