Pith Number

pith:U5OZM45W

pith:2024:U5OZM45WR73KP25NGMTCLFEVXG

not attested not anchored not stored refs pending

Mixed-Integer Linear Optimization for Semi-Supervised Optimal Classification Trees

Jan Pablo Burgard, Maria Eduarda Pinheiro, Martin Schmidt

arxiv:2401.09848 v3 · 2024-01-18 · 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{U5OZM45WR73KP25NGMTCLFEVXG}

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	2026-05-29T01:04:34.590793Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a75d9673b68ff6a7ebad3326259495b99221101dc6ba51479a61db406490f090

Aliases

arxiv: 2401.09848 · arxiv_version: 2401.09848v3 · doi: 10.48550/arxiv.2401.09848 · pith_short_12: U5OZM45WR73K · pith_short_16: U5OZM45WR73KP25N · pith_short_8: U5OZM45W

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/U5OZM45WR73KP25NGMTCLFEVXG \
  | 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: a75d9673b68ff6a7ebad3326259495b99221101dc6ba51479a61db406490f090

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "103ba430bcf9777a7f2085d569f28d10726879e7cc6ddd069835ad86693a508e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2024-01-18T10:05:03Z",
    "title_canon_sha256": "118ac709d0933b0826b087e74dd53badb87cbc4e3fc14a9665b3baf046217ca8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2401.09848",
    "kind": "arxiv",
    "version": 3
  }
}