Pith Number

pith:N5OW7TRB

pith:2015:N5OW7TRBWHT7FFK6NORXLBQJIQ

not attested not anchored not stored refs pending

Delete or merge regressors for linear model selection

Agnieszka Prochenka, Aleksandra Maj-Ka\'nska, Piotr Pokarowski

arxiv:1505.04008 v1 · 2015-05-15 · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N5OW7TRBWHT7FFK6NORXLBQJIQ}

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	2026-05-18T01:24:03.726022Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f5d6fce21b1e7f2955e6ba375860944249315ef2a681d2e40f0544c5f72ff72

Aliases

arxiv: 1505.04008 · arxiv_version: 1505.04008v1 · doi: 10.48550/arxiv.1505.04008 · pith_short_12: N5OW7TRBWHT7 · pith_short_16: N5OW7TRBWHT7FFK6 · pith_short_8: N5OW7TRB

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/N5OW7TRBWHT7FFK6NORXLBQJIQ \
  | 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: 6f5d6fce21b1e7f2955e6ba375860944249315ef2a681d2e40f0544c5f72ff72

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "21af43db8afd32043d89e1e3de1c066055f4d202b0bb475663e631400dcaefd0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2015-05-15T10:11:39Z",
    "title_canon_sha256": "824b6b3abf348f5b155be3e60b1b022257f37724efe49ece74076e4bfe8f060c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.04008",
    "kind": "arxiv",
    "version": 1
  }
}