Pith Number

pith:IYM27L7Z

pith:2023:IYM27L7ZNJH4MED4E7VIYVLFH4

not attested not anchored not stored refs pending

Iterative Regularization with k-support Norm: An Important Complement to Sparse Recovery

Bhaskar Mukhoty, Bin Gu, William de Vazelhes, Xiao-Tong Yuan

arxiv:2401.05394 v4 · 2023-12-19 · eess.SP · cs.LG · math.OC · 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{IYM27L7ZNJH4MED4E7VIYVLFH4}

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	2026-07-05T07:58:26.522470Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4619afaff96a4fc6107c27ea8c55653f3afb34d941c35f951de79e53faef5905

Aliases

arxiv: 2401.05394 · arxiv_version: 2401.05394v4 · doi: 10.48550/arxiv.2401.05394 · pith_short_12: IYM27L7ZNJH4 · pith_short_16: IYM27L7ZNJH4MED4 · pith_short_8: IYM27L7Z

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/IYM27L7ZNJH4MED4E7VIYVLFH4 \
  | 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: 4619afaff96a4fc6107c27ea8c55653f3afb34d941c35f951de79e53faef5905

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d42f8afaf0774b6a86920aad9485602f42edcd7b5b02c88f923aa34201274ac",
    "cross_cats_sorted": [
      "cs.LG",
      "math.OC",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2023-12-19T09:21:08Z",
    "title_canon_sha256": "288d23761d1c5f18733a439698151072f0920218803474f30def3163b4d0697c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2401.05394",
    "kind": "arxiv",
    "version": 4
  }
}