Pith Number

pith:2WCAKCTQ

pith:2018:2WCAKCTQ72LIFRBFHP3XUNFAKE

not attested not anchored not stored refs pending

Model Selection Techniques -- An Overview

Jie Ding, Vahid Tarokh, Yuhong Yang

arxiv:1810.09583 v1 · 2018-10-22 · stat.ML · cs.IT · cs.LG · econ.EM · math.IT · physics.app-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2WCAKCTQ72LIFRBFHP3XUNFAKE}

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	2026-05-18T00:02:29.962632Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d584050a70fe9682c4253bf77a34a0510d3975a960ee2b79dad98c8f4a3052b3

Aliases

arxiv: 1810.09583 · arxiv_version: 1810.09583v1 · doi: 10.48550/arxiv.1810.09583 · pith_short_12: 2WCAKCTQ72LI · pith_short_16: 2WCAKCTQ72LIFRBF · pith_short_8: 2WCAKCTQ

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/2WCAKCTQ72LIFRBFHP3XUNFAKE \
  | 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: d584050a70fe9682c4253bf77a34a0510d3975a960ee2b79dad98c8f4a3052b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45a7566f6a8a7cdecd1f6a149d092ced02e95f10d9c409fcce9446bf46c478eb",
    "cross_cats_sorted": [
      "cs.IT",
      "cs.LG",
      "econ.EM",
      "math.IT",
      "physics.app-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2018-10-22T22:33:44Z",
    "title_canon_sha256": "82fd3c7fbcf199e5e6eb36d93abd777899d118d39cb33f8cd0cb937c258d8ace"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.09583",
    "kind": "arxiv",
    "version": 1
  }
}