Pith. sign in
Pith Number

pith:KGHH74YY

pith:2025:KGHH74YYYI2FM5XUGHPMDDX2DD
not attested not anchored not stored refs pending

Radial Epiderivative Based Fritz John and KKT Conditions in Nonsmooth Nonconvex Optimization

Jen-Chih Yao, Jian-Wen Peng, Refail Kasimbeyli

arxiv:2509.01272 v1 · 2025-09-01 · math.OC

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{KGHH74YYYI2FM5XUGHPMDDX2DD}

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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.
Receipt and verification
First computed 2026-07-05T12:02:57.328641Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

518e7ff318c2345676f431dec18efa18e7f7e3c69a55afc32927204b7300d07a

Aliases

arxiv: 2509.01272 · arxiv_version: 2509.01272v1 · doi: 10.48550/arxiv.2509.01272 · pith_short_12: KGHH74YYYI2F · pith_short_16: KGHH74YYYI2FM5XU · pith_short_8: KGHH74YY
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/KGHH74YYYI2FM5XUGHPMDDX2DD \
  | 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: 518e7ff318c2345676f431dec18efa18e7f7e3c69a55afc32927204b7300d07a
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "cfe95aeb5c632a67a02f43224b4af86d275e1e7721ce8e3aa07b08addefaf537",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2025-09-01T08:59:16Z",
    "title_canon_sha256": "76e3dfe0eb6193c03036da56558b8371b1e846a81ab617435ecc8cf798416081"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.01272",
    "kind": "arxiv",
    "version": 1
  }
}