Pith Number

pith:RSFUNAEI

pith:2023:RSFUNAEIFM3MHZLGMLVOAFSZWS

not attested not anchored not stored refs pending

Sketched Ridgeless Linear Regression: The Role of Downsampling

Qiang Sun, Siyue Yang, Xin Chen, Yicheng Zeng

arxiv:2302.01088 v2 · 2023-02-02 · 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{RSFUNAEIFM3MHZLGMLVOAFSZWS}

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	2026-07-05T07:00:43.789607Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c8b4680882b36c3e56662eae01659b4b5ba835e74fdd6921554556d72532958

Aliases

arxiv: 2302.01088 · arxiv_version: 2302.01088v2 · doi: 10.48550/arxiv.2302.01088 · pith_short_12: RSFUNAEIFM3M · pith_short_16: RSFUNAEIFM3MHZLG · pith_short_8: RSFUNAEI

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/RSFUNAEIFM3MHZLGMLVOAFSZWS \
  | 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: 8c8b4680882b36c3e56662eae01659b4b5ba835e74fdd6921554556d72532958

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c3cdaeafafd0e3fe0a3599fa62fdb4b008c3949575cf2587969988de2e9de07",
    "cross_cats_sorted": [
      "stat.ML",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2023-02-02T13:21:09Z",
    "title_canon_sha256": "01ded297dfaf7b1ff146621b9b9610e6ca8375ae77535cb085a75468d4314956"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2302.01088",
    "kind": "arxiv",
    "version": 2
  }
}