Pith Number

pith:QL75YRIS

pith:2020:QL75YRISGHJUXYYPSDPY5AVBIL

not attested not anchored not stored refs pending

Optimal Decision Trees for Nonlinear Metrics

Emir Demirovi\'c, Peter J. Stuckey

arxiv:2009.06921 v2 · 2020-09-15 · cs.LG · cs.AI · cs.DS · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QL75YRISGHJUXYYPSDPY5AVBIL}

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	2026-07-05T04:35:55.128020Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82ffdc451231d34be30f90df8e82a142c646213135a7cdb388511710cab5e798

Aliases

arxiv: 2009.06921 · arxiv_version: 2009.06921v2 · doi: 10.48550/arxiv.2009.06921 · pith_short_12: QL75YRISGHJU · pith_short_16: QL75YRISGHJUXYYP · pith_short_8: QL75YRIS

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/QL75YRISGHJUXYYPSDPY5AVBIL \
  | 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: 82ffdc451231d34be30f90df8e82a142c646213135a7cdb388511710cab5e798

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d486e1d74712a2f2615e4dbbf8a03b0fdddae86aa64217add145c3d636bf1aca",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.DS",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2020-09-15T08:30:56Z",
    "title_canon_sha256": "35e32917b92da00f1dce54feb73dc16854ee27e8c799ef7851626ed9e179b275"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.06921",
    "kind": "arxiv",
    "version": 2
  }
}