Pith Number

pith:WL3I63GO

pith:2016:WL3I63GOYP3RZ4QG7RNJWRO4NJ

not attested not anchored not stored refs pending

Solving Ridge Regression using Sketched Preconditioned SVRG

Alon Gonen, Francesco Orabona, Shai Shalev-Shwartz

arxiv:1602.02350 v2 · 2016-02-07 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WL3I63GOYP3RZ4QG7RNJWRO4NJ}

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	2026-05-18T01:13:37.706721Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2f68f6ccec3f71cf206fc5a9b45dc6a557974369f745b993290c4ee08987fa3

Aliases

arxiv: 1602.02350 · arxiv_version: 1602.02350v2 · doi: 10.48550/arxiv.1602.02350 · pith_short_12: WL3I63GOYP3R · pith_short_16: WL3I63GOYP3RZ4QG · pith_short_8: WL3I63GO

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/WL3I63GOYP3RZ4QG7RNJWRO4NJ \
  | 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: b2f68f6ccec3f71cf206fc5a9b45dc6a557974369f745b993290c4ee08987fa3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d8e5a3be48ca85003b9b048cc55a69173625e1d669056dad4a07f0f42e49471a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2016-02-07T08:37:18Z",
    "title_canon_sha256": "6e79054f8a27a83e46863417c0d1a5188c338a49d023d6fee028d656c9bc815e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.02350",
    "kind": "arxiv",
    "version": 2
  }
}