Pith Number

pith:UNSEYU43

pith:2025:UNSEYU434UQQGRMDLTMIYEHNK2

not attested not anchored not stored refs pending

Group zero-norm regularized robust loss minimization: proximal MM method and statistical error bound

Ling Liang, Shujun Bi

arxiv:2505.23294 v1 · 2025-05-29 · 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{UNSEYU434UQQGRMDLTMIYEHNK2}

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	2026-07-05T11:11:59.006364Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3644c539be5210345835cd88c10ed56bd31940eab584e50b8d0921c2650c51e

Aliases

arxiv: 2505.23294 · arxiv_version: 2505.23294v1 · doi: 10.48550/arxiv.2505.23294 · pith_short_12: UNSEYU434UQQ · pith_short_16: UNSEYU434UQQGRMD · pith_short_8: UNSEYU43

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/UNSEYU434UQQGRMDLTMIYEHNK2 \
  | 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: a3644c539be5210345835cd88c10ed56bd31940eab584e50b8d0921c2650c51e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa18f79e09050bef68e9cd392999f0ae9e19d333e5560435b36eda06b7d2a6ce",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2025-05-29T09:46:25Z",
    "title_canon_sha256": "76fc598fd255e8bbd711081bc23ebb4660f7890da1ec22b4e4579703096af027"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.23294",
    "kind": "arxiv",
    "version": 1
  }
}