Pith Number

pith:6JDBVEOK

pith:2020:6JDBVEOKPXDBINE7RWPO3HJ4T3

not attested not anchored not stored refs pending

An Internal Cluster Validity Index Using a Distance-based Separability Measure

Murray Loew, Shuyue Guan

arxiv:2009.01328 v2 · 2020-09-02 · cs.LG · cs.CV · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6JDBVEOKPXDBINE7RWPO3HJ4T3}

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	2026-07-05T02:04:28.644395Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f2461a91ca7dc614349f8d9eed9d3c9ed6b94fa7c789f0e6ae4c0593a67dd2d3

Aliases

arxiv: 2009.01328 · arxiv_version: 2009.01328v2 · doi: 10.48550/arxiv.2009.01328 · pith_short_12: 6JDBVEOKPXDB · pith_short_16: 6JDBVEOKPXDBINE7 · pith_short_8: 6JDBVEOK

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/6JDBVEOKPXDBINE7RWPO3HJ4T3 \
  | 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: f2461a91ca7dc614349f8d9eed9d3c9ed6b94fa7c789f0e6ae4c0593a67dd2d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0441ebe98e08441dc58a7ac9f79f38265486bf609abf6dd1d2da3ff95332e42e",
    "cross_cats_sorted": [
      "cs.CV",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2020-09-02T20:20:29Z",
    "title_canon_sha256": "12b50fe767a5dc8a297a62abe1655cee04f58a40d3aa74a20f4735f355e5c191"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.01328",
    "kind": "arxiv",
    "version": 2
  }
}