Pith Number

pith:2HKQTS4I

pith:2019:2HKQTS4IHCPD356GKDRICD2UJP

not attested not anchored not stored refs pending

Gradient Perturbation is Underrated for Differentially Private Convex Optimization

Da Yu, Huishuai Zhang, Jian Yin, Tie-Yan Liu, Wei Chen

arxiv:1911.11363 v2 · 2019-11-26 · 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{2HKQTS4IHCPD356GKDRICD2UJP}

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	2026-07-05T01:45:59.557206Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1d509cb88389e3df7c650e2810f544be56439dc401a86e6799ad41e9cf9cad2

Aliases

arxiv: 1911.11363 · arxiv_version: 1911.11363v2 · doi: 10.48550/arxiv.1911.11363 · pith_short_12: 2HKQTS4IHCPD · pith_short_16: 2HKQTS4IHCPD356G · pith_short_8: 2HKQTS4I

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/2HKQTS4IHCPD356GKDRICD2UJP \
  | 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: d1d509cb88389e3df7c650e2810f544be56439dc401a86e6799ad41e9cf9cad2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "321e8f70d2cdb04e8f8cd4d09503ef1a4db669f3ef6b8f5d8da0649c9b5b91e2",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-11-26T06:18:02Z",
    "title_canon_sha256": "6aa8d4dc70cb24ee0816e86565482b3a1a78992ef86f5454f6c905f1aa3ff26d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.11363",
    "kind": "arxiv",
    "version": 2
  }
}