Pith Number

pith:FPB5KQVU

pith:2025:FPB5KQVULQOGDKBECT5O3GUQOE

not attested not anchored not stored refs pending

Progressively Sampled Equality-Constrained Optimization

Daniel P. Robinson, Frank E. Curtis, Lingjun Guo

arxiv:2510.00417 v2 · 2025-10-01 · math.OC · cs.LG · 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{FPB5KQVULQOGDKBECT5O3GUQOE}

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	2026-05-18T02:44:33.165856Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2bc3d542b45c1c61a82414faed9a90710d28832ff9b82809203ec34a8ac397eb

Aliases

arxiv: 2510.00417 · arxiv_version: 2510.00417v2 · doi: 10.48550/arxiv.2510.00417 · pith_short_12: FPB5KQVULQOG · pith_short_16: FPB5KQVULQOGDKBE · pith_short_8: FPB5KQVU

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/FPB5KQVULQOGDKBECT5O3GUQOE \
  | 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: 2bc3d542b45c1c61a82414faed9a90710d28832ff9b82809203ec34a8ac397eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3be96b1cb763a8ae273b593b8275febfb09cadad02c7bfa12beff2ce49fad670",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2025-10-01T01:58:17Z",
    "title_canon_sha256": "ab7a816cf987d99c01948e3424c91f0ee17a64e4fb3269831d1c4dbb25bfffb9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2510.00417",
    "kind": "arxiv",
    "version": 2
  }
}