Pith Number

pith:DGOSRG4K

pith:2018:DGOSRG4KU4QJ3M3CENE36MOOPP

not attested not anchored not stored refs pending

Convex Clustering: Model, Theoretical Guarantee and Efficient Algorithm

Defeng Sun, Kim-Chuan Toh, Yancheng Yuan

arxiv:1810.02677 v1 · 2018-10-04 · cs.LG · math.OC · 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{DGOSRG4KU4QJ3M3CENE36MOOPP}

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	2026-05-18T00:04:01.030945Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

199d289b8aa7209db3622349bf31ce7bf413a50febbecd65794a5fcaa0c45c1a

Aliases

arxiv: 1810.02677 · arxiv_version: 1810.02677v1 · doi: 10.48550/arxiv.1810.02677 · pith_short_12: DGOSRG4KU4QJ · pith_short_16: DGOSRG4KU4QJ3M3C · pith_short_8: DGOSRG4K

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/DGOSRG4KU4QJ3M3CENE36MOOPP \
  | 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: 199d289b8aa7209db3622349bf31ce7bf413a50febbecd65794a5fcaa0c45c1a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "abc9fbd97af1ce43e1ded18846717717eee7729e45fe600171c24fbb53e27411",
    "cross_cats_sorted": [
      "math.OC",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-10-04T14:52:42Z",
    "title_canon_sha256": "6239e66e27750a286dc97b81217a0ce1625048642f4d2d008fe6bdfac4bf2444"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.02677",
    "kind": "arxiv",
    "version": 1
  }
}