Pith Number

pith:SNYUBF4Q

pith:2020:SNYUBF4QCWHUIC7S57J6KAWNTC

not attested not anchored not stored refs pending

Complete Dictionary Learning via $\ell_p$-norm Maximization

Jun Zhang, Khaled B. Letaief, Vincent Lau, Ye Xue, Yifei Shen

arxiv:2002.10043 v3 · 2020-02-24 · cs.LG · cs.IT · eess.SP · math.IT · 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{SNYUBF4QCWHUIC7S57J6KAWNTC}

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.

Cited by

1 paper in Pith

Fixed Budget vs. Covering Target: The Partial Set Cover Boundary for Bounded VC-Dimension

Receipt and verification

First computed	2026-07-05T01:19:26.192643Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9371409790158f440bf2efd3e502cd98944138cdd354f5dcda46e4c1d01777b5

Aliases

arxiv: 2002.10043 · arxiv_version: 2002.10043v3 · doi: 10.48550/arxiv.2002.10043 · pith_short_12: SNYUBF4QCWHU · pith_short_16: SNYUBF4QCWHUIC7S · pith_short_8: SNYUBF4Q

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/SNYUBF4QCWHUIC7S57J6KAWNTC \
  | 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: 9371409790158f440bf2efd3e502cd98944138cdd354f5dcda46e4c1d01777b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e50958a1aab76bdf88e81ff637cf195d5f264f7e1461181557445b1905c9ee56",
    "cross_cats_sorted": [
      "cs.IT",
      "eess.SP",
      "math.IT",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2020-02-24T02:33:01Z",
    "title_canon_sha256": "4f18993136c2df5b23efbdf7d5308a3983e5fac8e72fc3ff84187c53f2491e2b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.10043",
    "kind": "arxiv",
    "version": 3
  }
}