Pith Number

pith:QXAA6HDG

pith:2025:QXAA6HDGEG2AY5S5GHPF7SF6TQ

not attested not anchored not stored refs pending

Robust Non-Linear Correlations via Polynomial Regression

Luca Giuliani, Michele Lombardi

arxiv:2509.09380 v1 · 2025-09-11 · cs.LG · cs.AI · cs.NA · math.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{QXAA6HDGEG2AY5S5GHPF7SF6TQ}

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	2026-07-05T12:09:35.189012Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85c00f1c6621b40c765d31de5fc8be9c1297d71bb79ae136bab1e696e0890880

Aliases

arxiv: 2509.09380 · arxiv_version: 2509.09380v1 · doi: 10.48550/arxiv.2509.09380 · pith_short_12: QXAA6HDGEG2A · pith_short_16: QXAA6HDGEG2AY5S5 · pith_short_8: QXAA6HDG

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/QXAA6HDGEG2AY5S5GHPF7SF6TQ \
  | 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: 85c00f1c6621b40c765d31de5fc8be9c1297d71bb79ae136bab1e696e0890880

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c188c6c0b4155325705c110cabb4ad07b6afb49c6421839e005d343abdb7860",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.NA",
      "math.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-09-11T11:55:48Z",
    "title_canon_sha256": "cbcf53ff1639adcab7d14b7efd488c906a24e7fe5b38cce0338de47e240c3e14"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.09380",
    "kind": "arxiv",
    "version": 1
  }
}