Pith Number

pith:TZJG62WB

pith:2025:TZJG62WB7JPFUX3AN2FA6TOZUM

not attested not anchored not stored refs pending

Adaptive sieving with semismooth Newton proximal augmented Lagrangian algorithm for multi-task Lasso problems

Bo Wang, Junfeng Yang, Lanyu Lin, Yong-jin Liu

arxiv:2504.15113 v1 · 2025-04-21 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TZJG62WB7JPFUX3AN2FA6TOZUM}

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	2026-07-05T10:51:56.457665Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e526f6ac1fa5e5a5f606e8a0f4dd9a3157dcff494669bdec1d9bf6bb0646e92

Aliases

arxiv: 2504.15113 · arxiv_version: 2504.15113v1 · doi: 10.48550/arxiv.2504.15113 · pith_short_12: TZJG62WB7JPF · pith_short_16: TZJG62WB7JPFUX3A · pith_short_8: TZJG62WB

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/TZJG62WB7JPFUX3AN2FA6TOZUM \
  | 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: 9e526f6ac1fa5e5a5f606e8a0f4dd9a3157dcff494669bdec1d9bf6bb0646e92

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "686b95cd48fdd8d1e0db9a80c4e34d0d63e348ad818b1684700f1007a9d7361a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2025-04-21T14:06:25Z",
    "title_canon_sha256": "f3f0da0c153ca33d2031857279dfbdec0b8cce253d6aac5a61fcd5713dfec228"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.15113",
    "kind": "arxiv",
    "version": 1
  }
}