Pith Number

pith:45ETT7XJ

pith:2026:45ETT7XJ4KRYGA53V2KRHE2OTN

not attested not anchored not stored refs pending

It's all In the (Exponential) Family: An Equivalence between Maximum Likelihood Estimation and Control Variates for Sketching Algorithms

Benedict H.W. Wong, Bhisham Dev Verma, Ding Zhang, Keegan Kang, Kerong Wang, Rameshwar Pratap

arxiv:2601.22378 v3 · 2026-01-29 · stat.ML · cs.LG · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{45ETT7XJ4KRYGA53V2KRHE2OTN}

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	2026-07-07T02:18:33.844352Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e74939fee9e2a38303bbae9513934e9b684b22a84671494b1c70a5058bc2a97c

Aliases

arxiv: 2601.22378 · arxiv_version: 2601.22378v3 · doi: 10.48550/arxiv.2601.22378 · pith_short_12: 45ETT7XJ4KRY · pith_short_16: 45ETT7XJ4KRYGA53 · pith_short_8: 45ETT7XJ

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/45ETT7XJ4KRYGA53V2KRHE2OTN \
  | 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: e74939fee9e2a38303bbae9513934e9b684b22a84671494b1c70a5058bc2a97c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a683ed642b3e05e189248983c0db61e8482d6e433c142d89abcc4e4c3e15a1d3",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2026-01-29T22:41:43Z",
    "title_canon_sha256": "c151a2d6f1d299cb8912982b86a5d50f9f26a0000b4f8bacfc4e1445411cbe8b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.22378",
    "kind": "arxiv",
    "version": 3
  }
}