Pith Number

pith:TUKCLI6U

pith:2021:TUKCLI6UJC4NPE3QRCSFCV77ZU

not attested not anchored not stored refs pending

Nonconvex flexible sparsity regularization: theory and monotone numerical schemes

Daria Ghilli, Dirk A. Lorenz, Elena Resmerita

arxiv:2111.06281 v1 · 2021-11-11 · math.OC · cs.NA · math.AP · math.NA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TUKCLI6UJC4NPE3QRCSFCV77ZU}

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	2026-07-05T03:30:59.963670Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9d1425a3d448b8d7937088a45157ffcd0ce9faef44647108267ad43551d7112f

Aliases

arxiv: 2111.06281 · arxiv_version: 2111.06281v1 · doi: 10.48550/arxiv.2111.06281 · pith_short_12: TUKCLI6UJC4N · pith_short_16: TUKCLI6UJC4NPE3Q · pith_short_8: TUKCLI6U

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/TUKCLI6UJC4NPE3QRCSFCV77ZU \
  | 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: 9d1425a3d448b8d7937088a45157ffcd0ce9faef44647108267ad43551d7112f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d9b5c1587d434ae8ae4077ccb95dc173b69b34ea6414dd4a28bc981561d0efaa",
    "cross_cats_sorted": [
      "cs.NA",
      "math.AP",
      "math.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2021-11-11T15:46:23Z",
    "title_canon_sha256": "0152e78e27a0ae76875c988e7d89d96e4ef5b2869f8526894af4c553131357ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.06281",
    "kind": "arxiv",
    "version": 1
  }
}