Pith Number

pith:MWRKAAB4

pith:2017:MWRKAAB42HHMCFQ4LXR6HID3E7

not attested not anchored not stored refs pending

Provably noise-robust, regularised $k$-means clustering

Shai Ben-David, Shrinu Kushagra, Yaoliang Yu

arxiv:1711.11247 v3 · 2017-11-30 · 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{MWRKAAB42HHMCFQ4LXR6HID3E7}

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	2026-05-18T00:07:18.192009Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

65a2a0003cd1cec1161c5de3e3a07b27d98fba3c48976ea05ba9e46dee4bbb38

Aliases

arxiv: 1711.11247 · arxiv_version: 1711.11247v3 · doi: 10.48550/arxiv.1711.11247 · pith_short_12: MWRKAAB42HHM · pith_short_16: MWRKAAB42HHMCFQ4 · pith_short_8: MWRKAAB4

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/MWRKAAB42HHMCFQ4LXR6HID3E7 \
  | 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: 65a2a0003cd1cec1161c5de3e3a07b27d98fba3c48976ea05ba9e46dee4bbb38

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7dab7942fdd83788b71939be89a72820d945ecb2fd2b8c25bfc9c66b2ad3de22",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2017-11-30T06:23:52Z",
    "title_canon_sha256": "e2e8b20b32da9a4e6328fc6563c0a74eb8b29ecb41e19a86306564c98d5ba9cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.11247",
    "kind": "arxiv",
    "version": 3
  }
}