Pith Number

pith:BP6OGROF

pith:2024:BP6OGROF66TN6F4VXEKGFXSUZU

not attested not anchored not stored refs pending

Lower Bounds for Private Estimation of Gaussian Covariance Matrices under All Reasonable Parameter Regimes

Nick Harvey, Victor S. Portella

arxiv:2404.17714 v1 · 2024-04-26 · cs.DS · cs.CR · cs.LG · 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{BP6OGROF66TN6F4VXEKGFXSUZU}

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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

Lower Bounds for Public-Private Learning under Distribution Shift

Receipt and verification

First computed	2026-07-05T08:12:53.251218Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0bfce345c5f7a6df1795b91462de54cd119018cf7217469c78858ffc75c02c36

Aliases

arxiv: 2404.17714 · arxiv_version: 2404.17714v1 · doi: 10.48550/arxiv.2404.17714 · pith_short_12: BP6OGROF66TN · pith_short_16: BP6OGROF66TN6F4V · pith_short_8: BP6OGROF

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/BP6OGROF66TN6F4VXEKGFXSUZU \
  | 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: 0bfce345c5f7a6df1795b91462de54cd119018cf7217469c78858ffc75c02c36

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ff3e3461012867b7eb81672b616707daacb8cd19252163e304db41c2461744f",
    "cross_cats_sorted": [
      "cs.CR",
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2024-04-26T22:17:32Z",
    "title_canon_sha256": "49586cb9e70034a3ec367614292b54ca9928a493f00491725c3268d04ed9516c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2404.17714",
    "kind": "arxiv",
    "version": 1
  }
}