Pith Number

pith:YQ4SRAGY

pith:2020:YQ4SRAGYFUFSETSIKEI36LCTEA

not attested not anchored not stored refs pending

Quantum inspired K-means algorithm using matrix product states

Chu Guo, Xiao Shi, Yun Shang

arxiv:2006.06164 v2 · 2020-06-11 · physics.comp-ph · 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{YQ4SRAGYFUFSETSIKEI36LCTEA}

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	2026-07-05T01:11:34.518266Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4392880d82d0b224e485111bf2c53201551e68e6d1c836a11997cc34b7b26ca

Aliases

arxiv: 2006.06164 · arxiv_version: 2006.06164v2 · doi: 10.48550/arxiv.2006.06164 · pith_short_12: YQ4SRAGYFUFS · pith_short_16: YQ4SRAGYFUFSETSI · pith_short_8: YQ4SRAGY

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/YQ4SRAGYFUFSETSIKEI36LCTEA \
  | 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: c4392880d82d0b224e485111bf2c53201551e68e6d1c836a11997cc34b7b26ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80d080ab06b22f4a2d8c929e178d9c99c01d99498aff38cb736a1bf5e63f823b",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2020-06-11T03:00:48Z",
    "title_canon_sha256": "be7f69b34556eb409cadfe0dcfcef1fb69726496a275880425afbb62d0a235fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.06164",
    "kind": "arxiv",
    "version": 2
  }
}