Pith Number

pith:PNKUPQVW

pith:2015:PNKUPQVWX5YMH4A4HDPJTTZEJY

not attested not anchored not stored refs pending

A survey on feature weighting based K-Means algorithms

Renato Cordeiro de Amorim

arxiv:1601.03483 v1 · 2015-09-22 · 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{PNKUPQVWX5YMH4A4HDPJTTZEJY}

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	2026-05-18T01:22:53.339243Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b5547c2b6bf70c3f01c38de99cf244e2161841d41ebcb7e4ce7bd5e686e334b

Aliases

arxiv: 1601.03483 · arxiv_version: 1601.03483v1 · doi: 10.48550/arxiv.1601.03483 · pith_short_12: PNKUPQVWX5YM · pith_short_16: PNKUPQVWX5YMH4A4 · pith_short_8: PNKUPQVW

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/PNKUPQVWX5YMH4A4HDPJTTZEJY \
  | 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: 7b5547c2b6bf70c3f01c38de99cf244e2161841d41ebcb7e4ce7bd5e686e334b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "746305eb2215a4e48eab4f1bb634d017b5a0dbe9bd233cd7d3772f4b3a0c3e2d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2015-09-22T08:46:39Z",
    "title_canon_sha256": "f8c612a226ece0ceeeeca15869eb4b5ebc646f8fc87975a6ca32199e79acf102"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.03483",
    "kind": "arxiv",
    "version": 1
  }
}