Pith Number

pith:XDV7I2LP

pith:2016:XDV7I2LPEH4F4NB3FOZABC7VZ5

not attested not anchored not stored refs pending

Sparse Convex Clustering

Binhuan Wang, Will Wei Sun, Yilong Zhang, Yixin Fang

arxiv:1601.04586 v4 · 2016-01-18 · stat.ME · 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{XDV7I2LPEH4F4NB3FOZABC7VZ5}

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	2026-05-17T23:57:16.023177Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b8ebf4696f21f85e343b2bb2008bf5cf76f1d086191fd17a4087d703847fa48e

Aliases

arxiv: 1601.04586 · arxiv_version: 1601.04586v4 · doi: 10.48550/arxiv.1601.04586 · pith_short_12: XDV7I2LPEH4F · pith_short_16: XDV7I2LPEH4F4NB3 · pith_short_8: XDV7I2LP

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/XDV7I2LPEH4F4NB3FOZABC7VZ5 \
  | 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: b8ebf4696f21f85e343b2bb2008bf5cf76f1d086191fd17a4087d703847fa48e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea5524df67488a2479cdd99cd6a9d20e084e9aacb1b30bbd3fe9dd15d5bbaa73",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2016-01-18T16:03:35Z",
    "title_canon_sha256": "2530c7296f9930b8e5b6073153da4af2d96e291195a93ec74fc52749b70c5260"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.04586",
    "kind": "arxiv",
    "version": 4
  }
}