Pith Number

pith:A35YULHZ

pith:2020:A35YULHZ4KFDYJOVDSZHTIJMWJ

not attested not anchored not stored refs pending

MurTree: Optimal Classification Trees via Dynamic Programming and Search

Anna Lukina, Christopher Leckie, Emir Demirovi\'c, Emmanuel Hebrard, James Bailey, Jeffrey Chan, Kotagiri Ramamohanarao, Peter J. Stuckey

arxiv:2007.12652 v4 · 2020-07-24 · 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{A35YULHZ4KFDYJOVDSZHTIJMWJ}

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	2026-07-05T04:35:54.935828Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06fb8a2cf9e28a3c25d51cb279a12cb24f6fd422ee770fbdc7a45b62ab010d7a

Aliases

arxiv: 2007.12652 · arxiv_version: 2007.12652v4 · doi: 10.48550/arxiv.2007.12652 · pith_short_12: A35YULHZ4KFD · pith_short_16: A35YULHZ4KFDYJOV · pith_short_8: A35YULHZ

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/A35YULHZ4KFDYJOVDSZHTIJMWJ \
  | 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: 06fb8a2cf9e28a3c25d51cb279a12cb24f6fd422ee770fbdc7a45b62ab010d7a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d8d8b6fdf9bfd219d0f5d78c091cfffbf6d5a23a4e037660e4de692af731c64",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.DS",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2020-07-24T17:06:55Z",
    "title_canon_sha256": "38d6d78143b3de4dd684979e6eefb04cad001eda86c1f58dceb0305e5d8e8294"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.12652",
    "kind": "arxiv",
    "version": 4
  }
}