Pith Number

pith:EREWD5SJ

pith:2019:EREWD5SJU7XVSTJNO5UTMGAC5M

not attested not anchored not stored refs pending

FATSO: A family of operators for variable selection in linear models

J. Andr\'es Christen, Nicol\'as E. Kuschinski

arxiv:1904.05828 v1 · 2019-04-11 · 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{EREWD5SJU7XVSTJNO5UTMGAC5M}

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	2026-05-17T23:48:48.314884Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

244961f649a7ef594d2d7769361802eb1833e63cf87ff511a435756f651dda68

Aliases

arxiv: 1904.05828 · arxiv_version: 1904.05828v1 · doi: 10.48550/arxiv.1904.05828 · pith_short_12: EREWD5SJU7XV · pith_short_16: EREWD5SJU7XVSTJN · pith_short_8: EREWD5SJ

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/EREWD5SJU7XVSTJNO5UTMGAC5M \
  | 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: 244961f649a7ef594d2d7769361802eb1833e63cf87ff511a435756f651dda68

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca2ecbd163a3808929e2d9a9641f6bb8a82e540162b972c0e402bb59235c5de0",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2019-04-11T16:33:50Z",
    "title_canon_sha256": "e618e0f4f6bf61c54ee00eed15e1eae4b2d7dc6a6511cd6ccf0a1364bf8a943f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.05828",
    "kind": "arxiv",
    "version": 1
  }
}