Pith Number

pith:N7PF77LX

pith:2018:N7PF77LXK4KTNM7XR4Z4WYQ7AP

not attested not anchored not stored refs pending

Tweedie Gradient Boosting for Extremely Unbalanced Zero-inflated Data

He Zhou, Wei Qian, Yi Yang

arxiv:1811.10192 v2 · 2018-11-26 · stat.CO · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N7PF77LXK4KTNM7XR4Z4WYQ7AP}

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	2026-07-05T00:19:18.941794Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6fde5ffd77571536b3f78f33cb621f03ec7239af45b93e09fe10b8a69718610f

Aliases

arxiv: 1811.10192 · arxiv_version: 1811.10192v2 · doi: 10.48550/arxiv.1811.10192 · pith_short_12: N7PF77LXK4KT · pith_short_16: N7PF77LXK4KTNM7X · pith_short_8: N7PF77LX

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/N7PF77LXK4KTNM7XR4Z4WYQ7AP \
  | 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: 6fde5ffd77571536b3f78f33cb621f03ec7239af45b93e09fe10b8a69718610f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "301d83f66ebabe668080d7b99c705b5132221113e75584c89b1dde70a287e4cb",
    "cross_cats_sorted": [
      "stat.ME"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.CO",
    "submitted_at": "2018-11-26T06:11:34Z",
    "title_canon_sha256": "cee420a3b7326441e8dfc581662a65392d1238e939cb2ac857875dcbb6e15349"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.10192",
    "kind": "arxiv",
    "version": 2
  }
}