Pith Number

pith:XFHCUFQG

pith:2022:XFHCUFQGIA3557P77URD5Q7AIJ

not attested not anchored not stored refs pending

Projection Valued Measure-based Quantum Machine Learning for Multi-Class Classification

Hankyul Baek, Joongheon Kim, Won Joon Yun

arxiv:2210.16731 v2 · 2022-10-30 · quant-ph · cs.AI · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XFHCUFQGIA3557P77URD5Q7AIJ}

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	2026-07-05T05:15:43.775837Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b94e2a16064037defdfffd223ec3e0425cd4ee5ff707886ef7570b2eeba595ea

Aliases

arxiv: 2210.16731 · arxiv_version: 2210.16731v2 · doi: 10.48550/arxiv.2210.16731 · pith_short_12: XFHCUFQGIA35 · pith_short_16: XFHCUFQGIA3557P7 · pith_short_8: XFHCUFQG

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/XFHCUFQGIA3557P77URD5Q7AIJ \
  | 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: b94e2a16064037defdfffd223ec3e0425cd4ee5ff707886ef7570b2eeba595ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4da960348a24b337940dc7699ae1a68f4a2ca16a54f056e7d3c3c5471abe5702",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2022-10-30T03:12:53Z",
    "title_canon_sha256": "a453c8581a078782e730f0763c5d39771699f0fd83ff0e1748cba794fa674d9d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2210.16731",
    "kind": "arxiv",
    "version": 2
  }
}