Pith Number

pith:SXW4OSHO

pith:2016:SXW4OSHOYDVI52W2CQR4RXNMSL

not attested not anchored not stored refs pending

Robust Discriminative Clustering with Sparse Regularizers

Balamurugan Palaniappan, Francis Bach, Nicolas Flammarion

arxiv:1608.08052 v1 · 2016-08-29 · stat.ML · 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{SXW4OSHOYDVI52W2CQR4RXNMSL}

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	2026-05-18T01:07:48.838267Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

95edc748eec0ea8eeada1423c8ddac92fbd2694ee4d72ab6dbffe65fe958ca81

Aliases

arxiv: 1608.08052 · arxiv_version: 1608.08052v1 · doi: 10.48550/arxiv.1608.08052 · pith_short_12: SXW4OSHOYDVI · pith_short_16: SXW4OSHOYDVI52W2 · pith_short_8: SXW4OSHO

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/SXW4OSHOYDVI52W2CQR4RXNMSL \
  | 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: 95edc748eec0ea8eeada1423c8ddac92fbd2694ee4d72ab6dbffe65fe958ca81

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc86ea438e5fb4ce94252288cd77e194bb75781c19727355cd4cfb7d2c9067f7",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2016-08-29T14:00:21Z",
    "title_canon_sha256": "8300625862440211642867193ba1709c54bd5645f203010d4ef4488ec18c0c56"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.08052",
    "kind": "arxiv",
    "version": 1
  }
}