Pith Number

pith:YDJD7DLN

pith:2018:YDJD7DLNPJOM5SXXKXEEJOV6KP

not attested not anchored not stored refs pending

Gradient Boosting With Piece-Wise Linear Regression Trees

Jian Li, Yu Shi, Zhize Li

arxiv:1802.05640 v3 · 2018-02-15 · 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{YDJD7DLNPJOM5SXXKXEEJOV6KP}

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	2026-05-17T23:42:15.475358Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c0d23f8d6d7a5ccecaf755c844babe53dd8162f327714ec6b0528236f4ffd053

Aliases

arxiv: 1802.05640 · arxiv_version: 1802.05640v3 · doi: 10.48550/arxiv.1802.05640 · pith_short_12: YDJD7DLNPJOM · pith_short_16: YDJD7DLNPJOM5SXX · pith_short_8: YDJD7DLN

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/YDJD7DLNPJOM5SXXKXEEJOV6KP \
  | 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: c0d23f8d6d7a5ccecaf755c844babe53dd8162f327714ec6b0528236f4ffd053

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe373cfb3d483836f5aaa72cce6b9d8833c4f8d6797720d1a635044999db9b34",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-02-15T16:26:35Z",
    "title_canon_sha256": "d88aa9c9aa2fc6589a8dd87d13921051f2174482ccf18d2ab638c05debf7b0f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.05640",
    "kind": "arxiv",
    "version": 3
  }
}