Pith Number

pith:HYWOVDIE

pith:2012:HYWOVDIEW4PWVDR2VCCFWGQQOU

not attested not anchored not stored refs pending

Decomposition of unitary matrices and quantum gates

Chi-Kwong Li, Rebecca Roberts, Xiaoyan Yin

arxiv:1210.7366 v4 · 2012-10-27 · 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{HYWOVDIEW4PWVDR2VCCFWGQQOU}

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	2026-05-18T03:31:32.563911Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e2cea8d04b71f6a8e3aa8845b1a107505f775a25472731db901f52414d465f6

Aliases

arxiv: 1210.7366 · arxiv_version: 1210.7366v4 · doi: 10.48550/arxiv.1210.7366 · pith_short_12: HYWOVDIEW4PW · pith_short_16: HYWOVDIEW4PWVDR2 · pith_short_8: HYWOVDIE

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/HYWOVDIEW4PWVDR2VCCFWGQQOU \
  | 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: 3e2cea8d04b71f6a8e3aa8845b1a107505f775a25472731db901f52414d465f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6a8931f8943bda63c708e1ee8616fac743176b8e659a8ed6356d8e3926fa53c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-10-27T19:38:25Z",
    "title_canon_sha256": "4596bfbf623cf554f9ec1d15cb7f0163cbc50d9aa498f489dc6669fde3397c0b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.7366",
    "kind": "arxiv",
    "version": 4
  }
}