Pith Number

pith:BYC7DKKR

pith:2025:BYC7DKKRZRD6HZ2OSLOT6YALJI

not attested not anchored not stored refs pending

Learning a Single Index Model from Anisotropic Data with vanilla Stochastic Gradient Descent

Guillaume Braun, Masaaki Imaizumi, Minh Ha Quang

arxiv:2503.23642 v1 · 2025-03-31 · stat.ML · 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{BYC7DKKRZRD6HZ2OSLOT6YALJI}

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	2026-07-05T10:41:57.079835Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e05f1a951cc47e3e74e92dd3f600b4a0ec2ea8df95a32d79c5ee6113ca90f5b

Aliases

arxiv: 2503.23642 · arxiv_version: 2503.23642v1 · doi: 10.48550/arxiv.2503.23642 · pith_short_12: BYC7DKKRZRD6 · pith_short_16: BYC7DKKRZRD6HZ2O · pith_short_8: BYC7DKKR

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/BYC7DKKRZRD6HZ2OSLOT6YALJI \
  | 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: 0e05f1a951cc47e3e74e92dd3f600b4a0ec2ea8df95a32d79c5ee6113ca90f5b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec205bb6d6f9f1cebaf800b6631fe88dbfd1a996b0dd448a5c1571a41d5c9e47",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2025-03-31T01:07:30Z",
    "title_canon_sha256": "b7a7480a4262b880b236e1865f5bd13eb79674dcbfbee584c5c23cb016796ddb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.23642",
    "kind": "arxiv",
    "version": 1
  }
}