Pith Number

pith:NI5GYOPB

pith:2014:NI5GYOPBBZX7BWQ2OBUWMGLMS4

not attested not anchored not stored refs pending

An Inequality with Applications to Structured Sparsity and Multitask Dictionary Learning

Andreas Maurer, Bernardino Romera-Paredes, Massimiliano Pontil

arxiv:1402.1864 v2 · 2014-02-08 · 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{NI5GYOPBBZX7BWQ2OBUWMGLMS4}

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	2026-05-18T02:50:12.882932Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a3a6c39e10e6ff0da1a706966196c970474d28cfc45e88654715a476f9da3a3

Aliases

arxiv: 1402.1864 · arxiv_version: 1402.1864v2 · doi: 10.48550/arxiv.1402.1864 · pith_short_12: NI5GYOPBBZX7 · pith_short_16: NI5GYOPBBZX7BWQ2 · pith_short_8: NI5GYOPB

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/NI5GYOPBBZX7BWQ2OBUWMGLMS4 \
  | 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: 6a3a6c39e10e6ff0da1a706966196c970474d28cfc45e88654715a476f9da3a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b26acc595ffd35ca2796aad1e84b0ec026ae3374851de8cb51d76eb3d23e756d",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2014-02-08T16:39:30Z",
    "title_canon_sha256": "2b556a81cf0f0d37c31dbcdaa43500bebb3ea9666579205dedf2b42e15b110e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.1864",
    "kind": "arxiv",
    "version": 2
  }
}