Pith Number

pith:G4XF7ENF

pith:2019:G4XF7ENFHWTQX4KOM3P54ZO7R2

not attested not anchored not stored refs pending

Optimal Estimation of Change in a Population of Parameters

Ramya Korlakai Vinayak, Sham M. Kakade, Weihao Kong

arxiv:1911.12568 v1 · 2019-11-28 · cs.LG · math.ST · stat.ML · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{G4XF7ENFHWTQX4KOM3P54ZO7R2}

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	2026-07-05T00:22:46.703835Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

372e5f91a53da70bf14e66dfde65df8e83aaf04686eef66637d5c8c4a53c103b

Aliases

arxiv: 1911.12568 · arxiv_version: 1911.12568v1 · doi: 10.48550/arxiv.1911.12568 · pith_short_12: G4XF7ENFHWTQ · pith_short_16: G4XF7ENFHWTQX4KO · pith_short_8: G4XF7ENF

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/G4XF7ENFHWTQX4KOM3P54ZO7R2 \
  | 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: 372e5f91a53da70bf14e66dfde65df8e83aaf04686eef66637d5c8c4a53c103b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8461bebed014ad46249641a56382539dc89bbd9c3d808af10c2580c7ede66792",
    "cross_cats_sorted": [
      "math.ST",
      "stat.ML",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-11-28T07:43:03Z",
    "title_canon_sha256": "8b8eb63abafd687acef7b57586e3d0a740b5d5a96046d8f25b7defa77ab30f44"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.12568",
    "kind": "arxiv",
    "version": 1
  }
}