Pith Number

pith:L6YA5H5B

pith:2019:L6YA5H5BDZD5XM7D2DYZII6HB3

not attested not anchored not stored refs pending

Quantum-enhanced least-square support vector machine: simplified quantum algorithm and sparse solutions

Dan-Bo Zhang, Jie Lin, Shuo Zhang, Tan Li, Wan-Su Bao, Xiang Wang

arxiv:1908.01462 v1 · 2019-08-05 · 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{L6YA5H5BDZD5XM7D2DYZII6HB3}

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	2026-07-05T01:18:37.680408Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5fb00e9fa11e47dbb3e3d0f19423c70ed7eecf6b83a00c9ce5d10b6bc068d665

Aliases

arxiv: 1908.01462 · arxiv_version: 1908.01462v1 · doi: 10.48550/arxiv.1908.01462 · pith_short_12: L6YA5H5BDZD5 · pith_short_16: L6YA5H5BDZD5XM7D · pith_short_8: L6YA5H5B

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/L6YA5H5BDZD5XM7D2DYZII6HB3 \
  | 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: 5fb00e9fa11e47dbb3e3d0f19423c70ed7eecf6b83a00c9ce5d10b6bc068d665

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eaa486da8fccab4ed87375c600041ae0e119ceca5d805ae16f22f1b1e7b491d5",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-08-05T04:29:55Z",
    "title_canon_sha256": "54a65c8c72a3785e3d143901601ba1d5e1919acad73c27428ba69e5507b2ab16"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.01462",
    "kind": "arxiv",
    "version": 1
  }
}