Pith Number

pith:542BRWEE

pith:2018:542BRWEEU7VUW4BHE4UQ7CZI5I

not attested not anchored not stored refs pending

Statistical mechanical analysis of sparse linear regression as a variable selection problem

Masato Okada, Tomoyuki Obuchi, Yoshinori Nakanishi-Ohno, Yoshiyuki Kabashima

arxiv:1805.11259 v2 · 2018-05-29 · cond-mat.dis-nn · cs.IT · math.IT · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{542BRWEEU7VUW4BHE4UQ7CZI5I}

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	2026-05-18T00:00:55.552484Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef3418d884a7eb4b702727290f8b28ea092a425eb8d48a83ef671f18e90581bd

Aliases

arxiv: 1805.11259 · arxiv_version: 1805.11259v2 · doi: 10.48550/arxiv.1805.11259 · pith_short_12: 542BRWEEU7VU · pith_short_16: 542BRWEEU7VUW4BH · pith_short_8: 542BRWEE

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/542BRWEEU7VUW4BHE4UQ7CZI5I \
  | 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: ef3418d884a7eb4b702727290f8b28ea092a425eb8d48a83ef671f18e90581bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df8f058b8dea051e42894eff854eb5a51f018c004b521d158a578fb2398ef3e5",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.dis-nn",
    "submitted_at": "2018-05-29T06:09:50Z",
    "title_canon_sha256": "9d0e32775e192a9e4a1897a2a52d5f56f7b2b5a2f22c32ce8cfa778b5a60eec5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.11259",
    "kind": "arxiv",
    "version": 2
  }
}