Pith Number

pith:4ZQCFVNK

pith:2023:4ZQCFVNK7YEFOO3LOUPTKXTYOW

not attested not anchored not stored refs pending

Global and Preference-based Optimization with Mixed Variables using Piecewise Affine Surrogates

Alberto Bemporad, Mengjia Zhu

arxiv:2302.04686 v4 · 2023-02-09 · math.OC · cs.LG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4ZQCFVNK7YEFOO3LOUPTKXTYOW}

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	2026-07-05T09:47:25.293559Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e66022d5aafe08573b6b751f355e7875b11e3fdfd9ae8dc9ee526fa174801faa

Aliases

arxiv: 2302.04686 · arxiv_version: 2302.04686v4 · doi: 10.48550/arxiv.2302.04686 · pith_short_12: 4ZQCFVNK7YEF · pith_short_16: 4ZQCFVNK7YEFOO3L · pith_short_8: 4ZQCFVNK

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/4ZQCFVNK7YEFOO3LOUPTKXTYOW \
  | 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: e66022d5aafe08573b6b751f355e7875b11e3fdfd9ae8dc9ee526fa174801faa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4de14656b92891f2b00d05a411e0c6286c7f875c8490def19f38f7a072fe240f",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2023-02-09T15:04:35Z",
    "title_canon_sha256": "b1a1dce657c00cabe58b498e7c22864890bd50e5d5610a414239fbdbdf5e9a0a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2302.04686",
    "kind": "arxiv",
    "version": 4
  }
}