Pith Number

pith:72XUAMTE

pith:2025:72XUAMTEUCXQ76PUMD33QAEYGZ

not attested not anchored not stored refs pending

Subgradient Regularization: A Descent-Oriented Subgradient Method for Nonsmooth Optimization

Hanyang Li, Ying Cui

arxiv:2505.07143 v1 · 2025-05-11 · 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{72XUAMTEUCXQ76PUMD33QAEYGZ}

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

3 papers in Pith

Parameterized Complexity of Stationarity Testing for Piecewise-Affine Functions and Shallow CNN Losses

Receipt and verification

First computed	2026-07-05T11:01:43.236065Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

feaf403264a0af0ff9f460f7b800983649078036e9726cfa9abcc350bb018f6f

Aliases

arxiv: 2505.07143 · arxiv_version: 2505.07143v1 · doi: 10.48550/arxiv.2505.07143 · pith_short_12: 72XUAMTEUCXQ · pith_short_16: 72XUAMTEUCXQ76PU · pith_short_8: 72XUAMTE

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/72XUAMTEUCXQ76PUMD33QAEYGZ \
  | 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: feaf403264a0af0ff9f460f7b800983649078036e9726cfa9abcc350bb018f6f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e6579d97ce64daa443d10fabe1f88497d3ebed5e3d635e0f8d2bcc7315646cc2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2025-05-11T23:03:45Z",
    "title_canon_sha256": "7b60d81152a5f21745dcc09c97ebb91306e81b3ddcb466ba1ac26caa3e8e8fd5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.07143",
    "kind": "arxiv",
    "version": 1
  }
}