Pith Number

pith:45JO2EO5

pith:2025:45JO2EO5OMCAVKXMKOU73YE2MR

not attested not anchored not stored refs pending

A Unified Blockwise Measurement Design for Learning Quantum Channels and Lindbladians via Low-Rank Matrix Sensing

Jianfeng Lu, Quanjun Lang

arxiv:2501.14080 v1 · 2025-01-23 · quant-ph · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{45JO2EO5OMCAVKXMKOU73YE2MR}

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	2026-07-05T10:04:45.008102Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e752ed11dd73040aaaec53a9fde09a64437136aa7eeb540dedd188934bd6290a

Aliases

arxiv: 2501.14080 · arxiv_version: 2501.14080v1 · doi: 10.48550/arxiv.2501.14080 · pith_short_12: 45JO2EO5OMCA · pith_short_16: 45JO2EO5OMCAVKXM · pith_short_8: 45JO2EO5

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/45JO2EO5OMCAVKXMKOU73YE2MR \
  | 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: e752ed11dd73040aaaec53a9fde09a64437136aa7eeb540dedd188934bd6290a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13cb66551ec57d76030d99f2ab408c6b271ef9f09547c3eb813a6beb2b7ec9d2",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-01-23T20:36:45Z",
    "title_canon_sha256": "e50da74002a7299bd2c8beaf2223191029f78cfb2f6c11b9e623c11a8229a0d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.14080",
    "kind": "arxiv",
    "version": 1
  }
}