Pith Number

pith:ZU67HMLN

pith:2020:ZU67HMLNG2MAILDCFOUDFLCEK7

not attested not anchored not stored refs pending

$\lambda$-Regularized A-Optimal Design and its Approximation by $\lambda$-Regularized Proportional Volume Sampling

Uthaipon Tantipongpipat

arxiv:2006.11182 v1 · 2020-06-19 · cs.DS · cs.LG · math.OC · stat.CO · 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{ZU67HMLNG2MAILDCFOUDFLCEK7}

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.

Cited by

1 paper in Pith

Strong Formulations and Algorithms for Regularized A-optimal Design

Receipt and verification

First computed	2026-07-05T01:11:36.149094Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd3df3b16d3698042c622ba832ac4457cfd70db88f927eeb97c7a6a70f74929d

Aliases

arxiv: 2006.11182 · arxiv_version: 2006.11182v1 · doi: 10.48550/arxiv.2006.11182 · pith_short_12: ZU67HMLNG2MA · pith_short_16: ZU67HMLNG2MAILDC · pith_short_8: ZU67HMLN

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/ZU67HMLNG2MAILDCFOUDFLCEK7 \
  | 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: cd3df3b16d3698042c622ba832ac4457cfd70db88f927eeb97c7a6a70f74929d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "490a815747320dec54b349c0876c6ff19466c640de697dddcbdd2f9991a8b1fd",
    "cross_cats_sorted": [
      "cs.LG",
      "math.OC",
      "stat.CO",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2020-06-19T15:17:57Z",
    "title_canon_sha256": "ac0bb0d44300d62486cb69ea7ce55d70da2ac73add94554fa906c894620b80d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.11182",
    "kind": "arxiv",
    "version": 1
  }
}