Pith Number

pith:NLKFZT33

pith:2026:NLKFZT33FEGVUFQT2GIBGJWQUN

not attested not anchored not stored refs pending

Lumberjack: Better Differentially Private Random Forests through Heavy Hitter Detection in Trees

Aur\'elien Bellet, Christian Janos Lebeda, David Erb, Tudor Cebere

arxiv:2605.22756 v1 · 2026-05-21 · cs.LG · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NLKFZT33FEGVUFQT2GIBGJWQUN}

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	2026-05-22T02:04:53.555971Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ad45ccf7b290d5a1613d1901326d0a36d0550aeb10b79a1aaf586c0e9371aff

Aliases

arxiv: 2605.22756 · arxiv_version: 2605.22756v1 · doi: 10.48550/arxiv.2605.22756 · pith_short_12: NLKFZT33FEGV · pith_short_16: NLKFZT33FEGVUFQT · pith_short_8: NLKFZT33

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/NLKFZT33FEGVUFQT2GIBGJWQUN \
  | 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: 6ad45ccf7b290d5a1613d1901326d0a36d0550aeb10b79a1aaf586c0e9371aff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8687921494bd908fe8214b9178e36e4a5529b4dff83c21f478e94f165759972e",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-05-21T17:23:04Z",
    "title_canon_sha256": "98327af9b0d3c9ab218d0645be4046abb561686d90dbef93c9ed2fe3a197b8a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.22756",
    "kind": "arxiv",
    "version": 1
  }
}