Pith Number

pith:ZBSHFP3C

pith:2025:ZBSHFP3CMA6GVIFHZZP4V45I6Y

not attested not anchored not stored refs pending

Enhancing finite-difference based derivative-free optimization methods with machine learning

Estelle Massart, Geovani Nunes Grapiglia, Timoth\'e Taminiau

arxiv:2502.07435 v1 · 2025-02-11 · 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{ZBSHFP3CMA6GVIFHZZP4V45I6Y}

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	2026-07-05T10:12:37.329050Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c86472bf62603c6aa0a7ce5fcaf3a8f623f4caa243c83dad13f9b8d81eed3a16

Aliases

arxiv: 2502.07435 · arxiv_version: 2502.07435v1 · doi: 10.48550/arxiv.2502.07435 · pith_short_12: ZBSHFP3CMA6G · pith_short_16: ZBSHFP3CMA6GVIFH · pith_short_8: ZBSHFP3C

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/ZBSHFP3CMA6GVIFHZZP4V45I6Y \
  | 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: c86472bf62603c6aa0a7ce5fcaf3a8f623f4caa243c83dad13f9b8d81eed3a16

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f88f3cb4fec430b1487333dfbb57d579f83a4ec67ae3625decf5aaafbf3612f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2025-02-11T10:24:35Z",
    "title_canon_sha256": "67fbc34d5996885e8665af870382aa09d9aaf229a06a31b904ce931d61040438"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.07435",
    "kind": "arxiv",
    "version": 1
  }
}