Pith Number

pith:OIJ52JZI

pith:2022:OIJ52JZI5NAUIIAQJIXVB5HEUP

not attested not anchored not stored refs pending

MT-GBM: A Multi-Task Gradient Boosting Machine with Shared Decision Trees

Changhua Meng, Weiqiang Wang, Zhenzhe Ying, ZhiFeng Li, Zhuoer Xu

arxiv:2201.06239 v2 · 2022-01-17 · 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{OIJ52JZI5NAUIIAQJIXVB5HEUP}

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	2026-07-05T03:50:53.995222Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7213dd2728eb414420104a2f50f4e4a3ca418aab3bc529689f50692eaeaaa1d2

Aliases

arxiv: 2201.06239 · arxiv_version: 2201.06239v2 · doi: 10.48550/arxiv.2201.06239 · pith_short_12: OIJ52JZI5NAU · pith_short_16: OIJ52JZI5NAUIIAQ · pith_short_8: OIJ52JZI

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/OIJ52JZI5NAUIIAQJIXVB5HEUP \
  | 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: 7213dd2728eb414420104a2f50f4e4a3ca418aab3bc529689f50692eaeaaa1d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b28736323fa43ed9ad90f9c328d93bb8a9ee2b39f00bf66692d9425fe6d3e6e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2022-01-17T06:43:14Z",
    "title_canon_sha256": "2a8500279345bd71046c41e0ac4fb04132c3ddda0b90d10fc52c4806abc06ad8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.06239",
    "kind": "arxiv",
    "version": 2
  }
}