Pith Number

pith:D6PRI2OX

pith:2025:D6PRI2OXORE6SNMYQE4FGERUU5

not attested not anchored not stored refs pending

Safe Primal-Dual Optimization with a Single Smooth Constraint

Ilnura Usmanova, Kfir Yehuda Levy

arxiv:2505.09349 v1 · 2025-05-14 · 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{D6PRI2OXORE6SNMYQE4FGERUU5}

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	2026-07-05T11:03:06.819033Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f9f1469d77449e935988138531234a745137d6d4b7c8ebee2a923b366f9a1d6

Aliases

arxiv: 2505.09349 · arxiv_version: 2505.09349v1 · doi: 10.48550/arxiv.2505.09349 · pith_short_12: D6PRI2OXORE6 · pith_short_16: D6PRI2OXORE6SNMY · pith_short_8: D6PRI2OX

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/D6PRI2OXORE6SNMYQE4FGERUU5 \
  | 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: 1f9f1469d77449e935988138531234a745137d6d4b7c8ebee2a923b366f9a1d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6ca75383e7d480032f22236aa081913c02aed45b9c4d1b2aeaedc3c77c58297",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2025-05-14T12:54:29Z",
    "title_canon_sha256": "ef69d7c06b0b95fecebe153e7c25807fa754359dcf467c82834b032c07c9f929"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.09349",
    "kind": "arxiv",
    "version": 1
  }
}