Pith Number

pith:I3E7BPE7

pith:2017:I3E7BPE757WCGE3QDI57H4MGHQ

not attested not anchored not stored refs pending

Sketched Ridge Regression: Optimization Perspective, Statistical Perspective, and Model Averaging

Alex Gittens, Michael W. Mahoney, Shusen Wang

arxiv:1702.04837 v4 · 2017-02-16 · stat.ML · cs.LG · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{I3E7BPE757WCGE3QDI57H4MGHQ}

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	2026-05-18T00:16:45.499242Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

46c9f0bc9fefec2313701a3bf3f1863c3ad6d6325c97c13a59dcf322bb63f4c8

Aliases

arxiv: 1702.04837 · arxiv_version: 1702.04837v4 · doi: 10.48550/arxiv.1702.04837 · pith_short_12: I3E7BPE757WC · pith_short_16: I3E7BPE757WCGE3Q · pith_short_8: I3E7BPE7

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/I3E7BPE757WCGE3QDI57H4MGHQ \
  | 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: 46c9f0bc9fefec2313701a3bf3f1863c3ad6d6325c97c13a59dcf322bb63f4c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3bd7fb90f40be6866c6cb5b05fb0a6518d53b5c191e6a1952497f01a0369ccfb",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2017-02-16T02:01:26Z",
    "title_canon_sha256": "afc0f41d26548df33f3f1a157309b8c75720e2c417841fae6fa56e96741c3892"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.04837",
    "kind": "arxiv",
    "version": 4
  }
}