Pith Number

pith:ZHLYFGFP

pith:2025:ZHLYFGFPQQCZEC6VZKVK2XS7F7

not attested not anchored not stored refs pending

Joint Learning in the Gaussian Single Index Model

Adrien Schertzer, Loucas Pillaud-Vivien

arxiv:2505.21336 v1 · 2025-05-27 · cs.LG · math.OC · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZHLYFGFPQQCZEC6VZKVK2XS7F7}

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	2026-07-05T11:10:40.395061Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c9d78298af8405920bd5caaaad5e5f2fe7e65be05fd61a703368565f82def9fc

Aliases

arxiv: 2505.21336 · arxiv_version: 2505.21336v1 · doi: 10.48550/arxiv.2505.21336 · pith_short_12: ZHLYFGFPQQCZ · pith_short_16: ZHLYFGFPQQCZEC6V · pith_short_8: ZHLYFGFP

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/ZHLYFGFPQQCZEC6VZKVK2XS7F7 \
  | 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: c9d78298af8405920bd5caaaad5e5f2fe7e65be05fd61a703368565f82def9fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80678be61fa6d31791a614c0bbb3c5c20e352d67396025507f46f78f0317eee5",
    "cross_cats_sorted": [
      "math.OC",
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-05-27T15:30:34Z",
    "title_canon_sha256": "db11a098b6a5a419151963abe13d06d6df4b9267878c29405c379c82997d8cc1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.21336",
    "kind": "arxiv",
    "version": 1
  }
}