Pith Number

pith:4KSDJZYP

pith:2005:4KSDJZYPB2QKFNABSN3DJPN6HD

not attested not anchored not stored refs pending

A new algorithm for producing quantum circuits using KAK decompositions

Hiroshi Sekigawa, Yasuhito Kawano, Yumi Nakajima

arxiv:quant-ph/0509196 v4 · 2005-09-28 · 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{4KSDJZYPB2QKFNABSN3DJPN6HD}

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

Control Protocols for Entangling Gates for Group-IV Color-Centers in Diamond

Receipt and verification

First computed	2026-07-04T14:50:43.331222Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2a434e70f0ea0a2b401937634bdbe38d26fefc47e4f33fffdbf6ba9b9d5fd33

Aliases

arxiv: quant-ph/0509196 · arxiv_version: quant-ph/0509196v4 · doi: 10.48550/arxiv.quant-ph/0509196 · pith_short_12: 4KSDJZYPB2QK · pith_short_16: 4KSDJZYPB2QKFNAB · pith_short_8: 4KSDJZYP

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/4KSDJZYPB2QKFNABSN3DJPN6HD \
  | 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: e2a434e70f0ea0a2b401937634bdbe38d26fefc47e4f33fffdbf6ba9b9d5fd33

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "269beb003b945b3ae2671a2724ea5cfed51358abe60b7c47c026d6ce2034cb3a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2005-09-28T10:32:45Z",
    "title_canon_sha256": "49d1f36cb47d2064b7a3c01c16a3b72ae7016a901e0e7bdd800fc907510fc1f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0509196",
    "kind": "arxiv",
    "version": 4
  }
}