Pith Number

pith:G7QGGUX3

pith:2026:G7QGGUX3OG2OMGO4TC6BVOOVGB

not attested not anchored not stored refs pending

Robust Estimation of Sparse Numerical Vectors under Local Differential Privacy

Bangzhou Xin, Pengfei Zhang, Puning Zhao, Shaowei Wang, Sheng Yue, Tianhang Zheng, Xiaochun Cao, Zhikun Zhang

arxiv:2607.27815 v1 · 2026-07-30 · stat.ML · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{G7QGGUX3OG2OMGO4TC6BVOOVGB}

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	2026-07-31T01:34:15.978676Z
Builder	pith-number-builder-2026-05-17-v1
Signature	unsigned_v0
Schema	pith-number/v1.0

Canonical hash

37e06352fb71b4e619dc98bc1ab9d530608b6e5d8b021ea7cfb3b865739ef108

Aliases

arxiv: 2607.27815 · arxiv_version: 2607.27815v1 · doi: 10.48550/arxiv.2607.27815 · pith_short_12: G7QGGUX3OG2O · pith_short_16: G7QGGUX3OG2OMGO4 · pith_short_8: G7QGGUX3

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/G7QGGUX3OG2OMGO4TC6BVOOVGB \
  | 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: 37e06352fb71b4e619dc98bc1ab9d530608b6e5d8b021ea7cfb3b865739ef108

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "814513a0fe46caf7bc599072d22790d11119f8307dbf3dc754ae1c03b403fdcb",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2026-07-30T07:55:09Z",
    "title_canon_sha256": "e53d53bd4f011a8ec12d7c537348a9e85bad7f018beda99ed5cfc1fc76778040"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.27815",
    "kind": "arxiv",
    "version": 1
  }
}