Pith Number

pith:QXP2MUAL

pith:2025:QXP2MUAL32BUUXATH5RMV7Z5IH

not attested not anchored not stored refs pending

An Exact Penalty Approach for Equality Constrained Optimization over a Convex Set

Kim-Chuan Toh, Nachuan Xiao, Shiwei Wang, Tianyun Tang

arxiv:2505.02495 v1 · 2025-05-05 · 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{QXP2MUAL32BUUXATH5RMV7Z5IH}

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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

Optimization over the intersection of manifolds

Receipt and verification

First computed	2026-07-05T10:58:38.017952Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85dfa6500bde834a5c133f62caff3d41d1750e86602b5edcca439361b93063d6

Aliases

arxiv: 2505.02495 · arxiv_version: 2505.02495v1 · doi: 10.48550/arxiv.2505.02495 · pith_short_12: QXP2MUAL32BU · pith_short_16: QXP2MUAL32BUUXAT · pith_short_8: QXP2MUAL

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/QXP2MUAL32BUUXATH5RMV7Z5IH \
  | 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: 85dfa6500bde834a5c133f62caff3d41d1750e86602b5edcca439361b93063d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "046502aa98f768bb50e715811794697b55cae9d3fecf121d7d67170b0de8c427",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2025-05-05T09:23:21Z",
    "title_canon_sha256": "ff7a2dbe97287c768d0d499eadb6eb47b0c73047c31b9ad3bb96ab91c8a84f94"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.02495",
    "kind": "arxiv",
    "version": 1
  }
}