Pith Number

pith:SHLVTORM

pith:2021:SHLVTORMPPJWATWM7L2CYBH5YE

not attested not anchored not stored refs pending

Parameterized Complexity of Feature Selection for Categorical Data Clustering

Fedor V. Fomin, Kirill Simonov, Petr A. Golovach, Sayan Bandyapadhyay

arxiv:2105.03753 v2 · 2021-05-08 · cs.DS · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SHLVTORMPPJWATWM7L2CYBH5YE}

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	2026-07-05T03:07:06.419274Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

91d759ba2c7bd3604eccfaf42c04fdc116d9cda5589c5ffa9a6d80429a75378e

Aliases

arxiv: 2105.03753 · arxiv_version: 2105.03753v2 · doi: 10.48550/arxiv.2105.03753 · pith_short_12: SHLVTORMPPJW · pith_short_16: SHLVTORMPPJWATWM · pith_short_8: SHLVTORM

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/SHLVTORMPPJWATWM7L2CYBH5YE \
  | 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: 91d759ba2c7bd3604eccfaf42c04fdc116d9cda5589c5ffa9a6d80429a75378e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c32e0a8a8570d01e57ce355c6ecba45da6cd215ee9d72548e11e4e89227472b1",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2021-05-08T18:04:09Z",
    "title_canon_sha256": "42201c917451c61abd1af3b1a71f1474cb2faefc8ed760187654a32df78d9442"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.03753",
    "kind": "arxiv",
    "version": 2
  }
}