Pith Number

pith:RO54ZQQ5

pith:2015:RO54ZQQ56SFJ3WS75RS2MHH543

not attested not anchored not stored refs pending

Power of the Spacing test for Least-Angle Regression

Jean-Marc Aza\"is, St\'ephane Mourareau, Yohann De Castro

arxiv:1503.05093 v4 · 2015-03-17 · math.ST · stat.ME · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RO54ZQQ56SFJ3WS75RS2MHH543}

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	2026-05-18T01:30:34.746740Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8bbbccc21df48a9dda5fec65a61cfde6fbe12e3352f7937a1965ea36e0c66d5d

Aliases

arxiv: 1503.05093 · arxiv_version: 1503.05093v4 · doi: 10.48550/arxiv.1503.05093 · pith_short_12: RO54ZQQ56SFJ · pith_short_16: RO54ZQQ56SFJ3WS7 · pith_short_8: RO54ZQQ5

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/RO54ZQQ56SFJ3WS75RS2MHH543 \
  | 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: 8bbbccc21df48a9dda5fec65a61cfde6fbe12e3352f7937a1965ea36e0c66d5d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a3ea66440d6d35755249d130e300b551f24453283692757b6cd122de3d6f20aa",
    "cross_cats_sorted": [
      "stat.ME",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2015-03-17T15:32:08Z",
    "title_canon_sha256": "5264f8cd8096c9e715c0e82286c65c399670bdd04385df28bdaae4644424bbf4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.05093",
    "kind": "arxiv",
    "version": 4
  }
}