Pith Number

pith:J5DW4SDH

pith:2019:J5DW4SDHXX4NTMLTHSAOPOQ6UK

not attested not anchored not stored refs pending

Kurdyka-{\L}ojasiewicz exponent via inf-projection

Guoyin Li, Peiran Yu, Ting Kei Pong

arxiv:1902.03635 v2 · 2019-02-10 · 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{J5DW4SDHXX4NTMLTHSAOPOQ6UK}

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

1 paper in Pith

Nonconvex Optimization Framework for Group-Sparse Feedback Linear-Quadratic Optimal Control: Penalty Approach

Receipt and verification

First computed	2026-07-05T02:06:28.482532Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f476e4867bdf8d9b1733c80e7ba1ea2bab3bed778ab13c2ff79158b201d2873

Aliases

arxiv: 1902.03635 · arxiv_version: 1902.03635v2 · doi: 10.48550/arxiv.1902.03635 · pith_short_12: J5DW4SDHXX4N · pith_short_16: J5DW4SDHXX4NTMLT · pith_short_8: J5DW4SDH

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/J5DW4SDHXX4NTMLTHSAOPOQ6UK \
  | 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: 4f476e4867bdf8d9b1733c80e7ba1ea2bab3bed778ab13c2ff79158b201d2873

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9517c0ee981d5892ee87d0bbc8eff0d3de8b29a86247d8e8d12877a1372d252b",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2019-02-10T17:27:27Z",
    "title_canon_sha256": "7945485d30116613f0b07e85ae625781df10fb45b5fd1a01b4a04f68331eaab5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.03635",
    "kind": "arxiv",
    "version": 2
  }
}