Pith Number

pith:IDG37Q3Z

pith:2018:IDG37Q3ZIQQJFYWF45XC5RZ4DP

not attested not anchored not stored refs pending

Weighted total variation based convex clustering

Guodong Xu, Hui Ji, Yu Xia

arxiv:1808.09144 v1 · 2018-08-28 · math.OC · cs.LG · 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{IDG37Q3ZIQQJFYWF45XC5RZ4DP}

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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.

Cited by

1 paper in Pith

A Unified Framework for Structure-Aware Clustering and Heterogeneous Causal Graph Learning

Receipt and verification

First computed	2026-05-18T00:07:04.358700Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40cdbfc379442092e2c5e76e2ec73c1bcd1ccf71e07b794451564bcd2e1f2fcf

Aliases

arxiv: 1808.09144 · arxiv_version: 1808.09144v1 · doi: 10.48550/arxiv.1808.09144 · pith_short_12: IDG37Q3ZIQQJ · pith_short_16: IDG37Q3ZIQQJFYWF · pith_short_8: IDG37Q3Z

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/IDG37Q3ZIQQJFYWF45XC5RZ4DP \
  | 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: 40cdbfc379442092e2c5e76e2ec73c1bcd1ccf71e07b794451564bcd2e1f2fcf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f9d05f2cded74ff83c6575601ceafb54cb3d6633c8d67667e97b26633ea83af6",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-08-28T07:19:43Z",
    "title_canon_sha256": "e8dba5f1444136768fb1c2da1861bfabd9ded3d293a63d923ff3b0d4ea7df1b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.09144",
    "kind": "arxiv",
    "version": 1
  }
}