Pith Number

pith:KPY5HP7M

pith:2025:KPY5HP7MVPJ43EJSYPSACHTFUX

not attested not anchored not stored refs pending

Learning based convex approximation for constrained parametric optimization

Jianchen Hu, Kang Liu, Wei Peng

arxiv:2505.04037 v1 · 2025-05-07 · math.OC · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KPY5HP7MVPJ43EJSYPSACHTFUX}

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	2026-07-05T10:59:35.497224Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53f1d3bfecabd3cd9132c3e4011e65a5fc814b31c1aeffd00d4e50ef2829f813

Aliases

arxiv: 2505.04037 · arxiv_version: 2505.04037v1 · doi: 10.48550/arxiv.2505.04037 · pith_short_12: KPY5HP7MVPJ4 · pith_short_16: KPY5HP7MVPJ43EJS · pith_short_8: KPY5HP7M

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/KPY5HP7MVPJ43EJSYPSACHTFUX \
  | 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: 53f1d3bfecabd3cd9132c3e4011e65a5fc814b31c1aeffd00d4e50ef2829f813

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f787e2627b32fffe3690644669f3eec27fabe0f976564ef3557f30ba7287de54",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2025-05-07T00:33:14Z",
    "title_canon_sha256": "e4ff09eba8dd380e6615bfe1ba0fcd0be190227879d0c976d0ddacb06972dd0d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.04037",
    "kind": "arxiv",
    "version": 1
  }
}