Pith Number

pith:EJHUVUJN

pith:2018:EJHUVUJN6SML7T4L5FQ5AIQ42X

not attested not anchored not stored refs pending

q-means: A quantum algorithm for unsupervised machine learning

Alessandro Luongo, Anupam Prakash, Iordanis Kerenidis, Jonas Landman

arxiv:1812.03584 v2 · 2018-12-10 · quant-ph · 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{EJHUVUJN6SML7T4L5FQ5AIQ42X}

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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

A resource-efficient quantum-walker Quantum RAM

Receipt and verification

First computed	2026-07-05T02:48:15.851696Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

224f4ad12df498bfcf8be961d0221cd5d92063ed03ae616a10dbba52f9bda1de

Aliases

arxiv: 1812.03584 · arxiv_version: 1812.03584v2 · doi: 10.48550/arxiv.1812.03584 · pith_short_12: EJHUVUJN6SML · pith_short_16: EJHUVUJN6SML7T4L · pith_short_8: EJHUVUJN

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/EJHUVUJN6SML7T4L5FQ5AIQ42X \
  | 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: 224f4ad12df498bfcf8be961d0221cd5d92063ed03ae616a10dbba52f9bda1de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73c0056f667cf31c5da2ad446c4e8242ea846b34f2a28836408e2400579899bd",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-12-10T00:25:50Z",
    "title_canon_sha256": "e84f76d2bd3628631cd84eede93421d98c99736c27447b6b3fdd872d7bf60bbb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.03584",
    "kind": "arxiv",
    "version": 2
  }
}