Pith Number

pith:ADS4TYKD

pith:2013:ADS4TYKDZGGD5U5DA77LLBDKL5

not attested not anchored not stored refs pending

Generalizing k-means for an arbitrary distance matrix

Bal\'azs Szalkai

arxiv:1303.6001 v1 · 2013-03-24 · 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{ADS4TYKDZGGD5U5DA77LLBDKL5}

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	2026-05-18T03:29:52.283230Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

00e5c9e143c98c3ed3a307feb5846a5f725556bf018cdaa8733c041d28ccbd09

Aliases

arxiv: 1303.6001 · arxiv_version: 1303.6001v1 · doi: 10.48550/arxiv.1303.6001 · pith_short_12: ADS4TYKDZGGD · pith_short_16: ADS4TYKDZGGD5U5D · pith_short_8: ADS4TYKD

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/ADS4TYKDZGGD5U5DA77LLBDKL5 \
  | 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: 00e5c9e143c98c3ed3a307feb5846a5f725556bf018cdaa8733c041d28ccbd09

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5477d96ddefd8f155032ad4361e4ec9f05f15cb01d6d16011e9b235b9a9e64bd",
    "cross_cats_sorted": [
      "cs.CV",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2013-03-24T22:33:15Z",
    "title_canon_sha256": "c80315334b205d5265c32a7b4a06a9255c33ce3235233f693c5b15b4aafe5439"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.6001",
    "kind": "arxiv",
    "version": 1
  }
}