Pith Number

pith:5P7A5DJX

pith:2016:5P7A5DJXXWPSMVOID6W5ODJ3CF

not attested not anchored not stored refs pending

The Kalman Decomposition for Linear Quantum Systems

Guofeng Zhang, Ian R. Petersen, John E. Gough, Symeon Grivopoulos

arxiv:1606.05719 v4 · 2016-06-18 · quant-ph · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5P7A5DJXXWPSMVOID6W5ODJ3CF}

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	2026-05-18T00:42:39.454376Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ebfe0e8d37bd9f2655c81fadd70d3b11588506c705bfb908e0ce913571550b8d

Aliases

arxiv: 1606.05719 · arxiv_version: 1606.05719v4 · doi: 10.48550/arxiv.1606.05719 · pith_short_12: 5P7A5DJXXWPS · pith_short_16: 5P7A5DJXXWPSMVOI · pith_short_8: 5P7A5DJX

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/5P7A5DJXXWPSMVOID6W5ODJ3CF \
  | 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: ebfe0e8d37bd9f2655c81fadd70d3b11588506c705bfb908e0ce913571550b8d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db47a2af170c1e9251ef696a06613e5dd24495d78b41baf1b6a265f7e3a7427e",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-06-18T04:14:46Z",
    "title_canon_sha256": "5438e17392d3db82ef832ba516ef562402c34c44dc0cae7e427b5026bbc92cd4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.05719",
    "kind": "arxiv",
    "version": 4
  }
}