Pith Number

pith:7QJCI4MS

pith:2016:7QJCI4MSWWEFL37KCIFCS7GSIO

not attested not anchored not stored refs pending

A Constant-Factor Bi-Criteria Approximation Guarantee for $k$-means++

Dennis Wei

arxiv:1605.04986 v1 · 2016-05-16 · cs.LG · cs.CG

Open paper page JSON What is a Pith Number?

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

Receipt and verification

First computed	2026-05-18T01:14:37.776498Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc12247192b58855efea120a297cd243b2522788d80920a7ce48ab5b10b5c403

Aliases

arxiv: 1605.04986 · arxiv_version: 1605.04986v1 · doi: 10.48550/arxiv.1605.04986

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/7QJCI4MSWWEFL37KCIFCS7GSIO \
  | 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: fc12247192b58855efea120a297cd243b2522788d80920a7ce48ab5b10b5c403

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ac40cc1177b180a68405d062451e57611463bf195e64a60edee9185f8ac1bd0",
    "cross_cats_sorted": [
      "cs.CG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2016-05-16T23:41:55Z",
    "title_canon_sha256": "c1b979c37211407a8d4a996254219ce6ee37bf1db9ab1cdddda07437e2f66545"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.04986",
    "kind": "arxiv",
    "version": 1
  }
}