Pith Number

pith:PTF7G6TJ

pith:2024:PTF7G6TJEQ6KKMIV2U65BQX7XQ

not attested not anchored not stored refs pending

Enhancing Regression Models for Complex Systems Using Evolutionary Techniques for Feature Engineering

Jos\'e L. Ayala, Jos\'e L. Risco-Mart\'in, Jos\'e M. Moya, Marina Zapater, Patricia Arroba

arxiv:2407.00001 v1 · 2024-03-14 · cs.DC · cs.AR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PTF7G6TJEQ6KKMIV2U65BQX7XQ}

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	2026-07-05T08:38:12.855889Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ccbf37a69243ca53115d53dd0c2ffbc044f2a9f4c1842889c4e03031002226b

Aliases

arxiv: 2407.00001 · arxiv_version: 2407.00001v1 · doi: 10.48550/arxiv.2407.00001 · pith_short_12: PTF7G6TJEQ6K · pith_short_16: PTF7G6TJEQ6KKMIV · pith_short_8: PTF7G6TJ

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/PTF7G6TJEQ6KKMIV2U65BQX7XQ \
  | 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: 7ccbf37a69243ca53115d53dd0c2ffbc044f2a9f4c1842889c4e03031002226b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4206ab3343869aa014a8f1d9d6525b8836c171c428f790ad4aa0d44f5145cc10",
    "cross_cats_sorted": [
      "cs.AR"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2024-03-14T18:37:31Z",
    "title_canon_sha256": "6b601c842d4e0e167484bdfbf3665078c93c76d85da0e6164ad69e6de361d94f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2407.00001",
    "kind": "arxiv",
    "version": 1
  }
}