Pith Number

pith:RP2HTAH3

pith:2024:RP2HTAH34CDGMLQP42COQMGTUS

not attested not anchored not stored refs pending

A quantum algorithm for the Kalman filter using block encoding

Guofeng Zhang, Hao Shi, Ming Zhang

arxiv:2404.04554 v1 · 2024-04-06 · math.QA · cs.CE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RP2HTAH34CDGMLQP42COQMGTUS}

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

Quantum Solution Framework for Finite-Horizon LQG Control via Block Encodings and QSVT

Receipt and verification

First computed	2026-07-05T08:05:18.285404Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8bf47980fbe086662e0fe684e830d3a489e09f0249f4349de474f8a88a88051c

Aliases

arxiv: 2404.04554 · arxiv_version: 2404.04554v1 · doi: 10.48550/arxiv.2404.04554 · pith_short_12: RP2HTAH34CDG · pith_short_16: RP2HTAH34CDGMLQP · pith_short_8: RP2HTAH3

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/RP2HTAH34CDGMLQP42COQMGTUS \
  | 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: 8bf47980fbe086662e0fe684e830d3a489e09f0249f4349de474f8a88a88051c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ecb5853f9f6a68277ab37c38202e0fc1baac906829f4e504cdab2b0d49fa149",
    "cross_cats_sorted": [
      "cs.CE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.QA",
    "submitted_at": "2024-04-06T08:44:03Z",
    "title_canon_sha256": "7fbce7ed9d52c39e3e53b4cf0c4961e8cc5dafbb81f04c9bd08f5c9323df84b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2404.04554",
    "kind": "arxiv",
    "version": 1
  }
}