Pith Number

pith:ZCAGQURV

pith:2019:ZCAGQURV3Q5JPU72JAJS2WO7K4

not attested not anchored not stored refs pending

Optimizing Ensemble Weights and Hyperparameters of Machine Learning Models for Regression Problems

Guiping Hu, Hieu Pham, Mohsen Shahhosseini

arxiv:1908.05287 v6 · 2019-08-14 · stat.ML · cs.LG · stat.ME

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\usepackage{pith}
\pithnumber{ZCAGQURV3Q5JPU72JAJS2WO7K4}

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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.

Cited by

1 paper in Pith

Maize Yield and Nitrate Loss Prediction with Machine Learning Algorithms

Receipt and verification

First computed	2026-07-05T01:48:06.285606Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c880685235dc3a97d3fa48132d59df570f35b7e4fe897b2016a71c99a553767d

Aliases

arxiv: 1908.05287 · arxiv_version: 1908.05287v6 · doi: 10.48550/arxiv.1908.05287 · pith_short_12: ZCAGQURV3Q5J · pith_short_16: ZCAGQURV3Q5JPU72 · pith_short_8: ZCAGQURV

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/ZCAGQURV3Q5JPU72JAJS2WO7K4 \
  | 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: c880685235dc3a97d3fa48132d59df570f35b7e4fe897b2016a71c99a553767d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d30d77a017b1eafb98b52b123a4bb991cbc94e4b145a69a7567104218578a257",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ME"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2019-08-14T18:01:02Z",
    "title_canon_sha256": "9a0906eeb7d9ca6caa3f7811c57dadf83f21dff58443a5e9df1d9d7b9be45dd2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.05287",
    "kind": "arxiv",
    "version": 6
  }
}