Pith Number

pith:3QF4JTYN

pith:2015:3QF4JTYNOKEISQ3EJVUZYLILDA

not attested not anchored not stored refs pending

Optimal prediction for sparse linear models? Lower bounds for coordinate-separable M-estimators

Martin J. Wainwright, Michael I. Jordan, Yuchen Zhang

arxiv:1503.03188 v2 · 2015-03-11 · math.ST · stat.ML · 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{3QF4JTYNOKEISQ3EJVUZYLILDA}

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	2026-05-18T01:25:47.210011Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc0bc4cf0d72888943644d699c2d0b1819ce733aa5b6214811bc1c00a5da696d

Aliases

arxiv: 1503.03188 · arxiv_version: 1503.03188v2 · doi: 10.48550/arxiv.1503.03188 · pith_short_12: 3QF4JTYNOKEI · pith_short_16: 3QF4JTYNOKEISQ3E · pith_short_8: 3QF4JTYN

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/3QF4JTYNOKEISQ3EJVUZYLILDA \
  | 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: dc0bc4cf0d72888943644d699c2d0b1819ce733aa5b6214811bc1c00a5da696d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d51dcedfbba8e6f7c504377e97deb009944d7a3a1b078b6680aab34f0d4ef24b",
    "cross_cats_sorted": [
      "stat.ML",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2015-03-11T06:22:44Z",
    "title_canon_sha256": "75002e4d97013cd1a6d3bdb2b8d4c6451c24e0d9a4b48bb9fdb2d1ed4ee602ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.03188",
    "kind": "arxiv",
    "version": 2
  }
}