Pith Number

pith:ISHYOHKH

pith:2017:ISHYOHKHLV7JVLBGYKM6WOZ5AV

not attested not anchored not stored refs pending

An improved quantum algorithm for ridge regression

Chao-Hua Yu, Fei Gao, Qiao-Yan Wen

arxiv:1707.09524 v5 · 2017-07-29 · 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{ISHYOHKHLV7JVLBGYKM6WOZ5AV}

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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 Data Fitting Algorithm for Non-sparse Matrices

Receipt and verification

First computed	2026-07-05T03:02:04.714239Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

448f871d475d7e9aac26c299eb3b3d0570fd64642951eda75eea57b4314ba8a7

Aliases

arxiv: 1707.09524 · arxiv_version: 1707.09524v5 · doi: 10.48550/arxiv.1707.09524 · pith_short_12: ISHYOHKHLV7J · pith_short_16: ISHYOHKHLV7JVLBG · pith_short_8: ISHYOHKH

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/ISHYOHKHLV7JVLBGYKM6WOZ5AV \
  | 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: 448f871d475d7e9aac26c299eb3b3d0570fd64642951eda75eea57b4314ba8a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "050202f5ab1a7ecb61bf479244323ca8cc548293c2c618db62caa0bdefed2d5c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-07-29T15:09:46Z",
    "title_canon_sha256": "fc0cd01b243a32522ca9d8290490e96d821caba39c88da3504d908f219c31931"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.09524",
    "kind": "arxiv",
    "version": 5
  }
}