Pith Number

pith:3ME6LZC2

pith:2013:3ME6LZC2OK2PVSBME36TK7LBCU

not attested not anchored not stored refs pending

On multi-class learning through the minimization of the confusion matrix norm

C\'ecile Capponi (LIF), Sokol Ko\c{c}o (LIF)

arxiv:1303.4015 v2 · 2013-03-16 · 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{3ME6LZC2OK2PVSBME36TK7LBCU}

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	2026-05-18T03:08:14.157740Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db09e5e45a72b4fac82c26fd357d61152571ae74f456bd2fd26910e2628f97cb

Aliases

arxiv: 1303.4015 · arxiv_version: 1303.4015v2 · doi: 10.48550/arxiv.1303.4015 · pith_short_12: 3ME6LZC2OK2P · pith_short_16: 3ME6LZC2OK2PVSBM · pith_short_8: 3ME6LZC2

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/3ME6LZC2OK2PVSBME36TK7LBCU \
  | 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: db09e5e45a72b4fac82c26fd357d61152571ae74f456bd2fd26910e2628f97cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e0d6ada2cc87146b33323def78762654094cd02c34a4d9e06a4c0dc3fbaeaa2f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2013-03-16T20:09:16Z",
    "title_canon_sha256": "bb2efb8a80c2c8a577dcdd8c0fe007c498dc57c4efdb31dafa041d411e6e71bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.4015",
    "kind": "arxiv",
    "version": 2
  }
}