Pith Number

pith:U635WUN5

pith:2004:U635WUN555UXUBUYDA7HGC4UU6

not attested not anchored not stored refs pending

Optimized design of universal two-qubit gates

D. V. Khveshchenko, I. A. Grigorenko

arxiv:quant-ph/0412084 v1 · 2004-12-10 · quant-ph · cond-mat.mes-hall

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U635WUN555UXUBUYDA7HGC4UU6}

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	2026-05-18T03:24:19.964590Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7b7db51bdef697a0698183e730b94a7ade725445a54f674e45ff8b5e0e9d961

Aliases

arxiv: quant-ph/0412084 · arxiv_version: quant-ph/0412084v1 · doi: 10.48550/arxiv.quant-ph/0412084 · pith_short_12: U635WUN555UX · pith_short_16: U635WUN555UXUBUY · pith_short_8: U635WUN5

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/U635WUN555UXUBUYDA7HGC4UU6 \
  | 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: a7b7db51bdef697a0698183e730b94a7ade725445a54f674e45ff8b5e0e9d961

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb5b625bd42aabdbf5379a1790e6114f768fea761f064a52f95e8fd28e1dca89",
    "cross_cats_sorted": [
      "cond-mat.mes-hall"
    ],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2004-12-10T22:36:39Z",
    "title_canon_sha256": "ce5246a48655a7f808694e72324e5e291e4d969056e0ee752c80e230dc3d7e26"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0412084",
    "kind": "arxiv",
    "version": 1
  }
}