Pith Number

pith:PS6JQ57C

pith:2015:PS6JQ57CDR3TUUNNQBOZ5V7G2Y

not attested not anchored not stored refs pending

Seeding K-Means using Method of Moments

Sayantan Dasgupta

arxiv:1511.05933 v8 · 2015-11-18 · 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{PS6JQ57CDR3TUUNNQBOZ5V7G2Y}

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	2026-05-18T01:00:53.585141Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7cbc9877e21c773a51ad805d9ed7e6d602dcc141028838c34a29e2c8297a779f

Aliases

arxiv: 1511.05933 · arxiv_version: 1511.05933v8 · doi: 10.48550/arxiv.1511.05933 · pith_short_12: PS6JQ57CDR3T · pith_short_16: PS6JQ57CDR3TUUNN · pith_short_8: PS6JQ57C

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/PS6JQ57CDR3TUUNNQBOZ5V7G2Y \
  | 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: 7cbc9877e21c773a51ad805d9ed7e6d602dcc141028838c34a29e2c8297a779f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32ca5931adb985cf388e13b7a04d7384b30d2cfa658b7e35a4db8d3d56cafaff",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2015-11-18T20:26:42Z",
    "title_canon_sha256": "35858d9d8429a42e3cc69b94263b9eb7beb139c80da3480aad912065fc1371b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.05933",
    "kind": "arxiv",
    "version": 8
  }
}