Pith Number

pith:QGALBTTW

pith:2023:QGALBTTWWIQXO4YKXJJD4264EW

not attested not anchored not stored refs pending

Optimal Multitask Linear Regression and Contextual Bandits under Sparse Heterogeneity

Donghwan Lee, Edgar Dobriban, Hamed Hassani, Hamsa Bastani, Kan Xu, Xinmeng Huang

arxiv:2306.06291 v3 · 2023-06-09 · stat.ML · cs.LG · stat.ME

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\usepackage{pith}
\pithnumber{QGALBTTWWIQXO4YKXJJD4264EW}

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Record completeness

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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

Multi-task Learning for Heterogeneous Multi-source Block-Wise Missing Data

Receipt and verification

First computed	2026-07-05T09:48:29.362552Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8180b0ce76b22177730aba523e6bdc25b54c479af89bb2cd310294f66718d8f7

Aliases

arxiv: 2306.06291 · arxiv_version: 2306.06291v3 · doi: 10.48550/arxiv.2306.06291 · pith_short_12: QGALBTTWWIQX · pith_short_16: QGALBTTWWIQXO4YK · pith_short_8: QGALBTTW

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/QGALBTTWWIQXO4YKXJJD4264EW \
  | 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: 8180b0ce76b22177730aba523e6bdc25b54c479af89bb2cd310294f66718d8f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce274cc2f6ea6c662dbcace66df7d2668e2775db76caf54ca724e2dc857dbb36",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ME"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2023-06-09T22:48:13Z",
    "title_canon_sha256": "89ac048cdf38ec3002603bb7b89e8f0a8883523632726d5315c446a8bdd07a9f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2306.06291",
    "kind": "arxiv",
    "version": 3
  }
}