Pith Number

pith:2H6ODNWU

pith:2025:2H6ODNWUFUKCQ4M6DHKCKTSC7F

not attested not anchored not stored refs pending

On the Inherent Privacy of Zeroth Order Projected Gradient Descent

Devansh Gupta, Meisam Razaviyayn, Vatsal Sharan

arxiv:2507.05610 v2 · 2025-07-08 · math.OC · 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{2H6ODNWUFUKCQ4M6DHKCKTSC7F}

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	2026-07-05T11:34:11.818496Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1fce1b6d42d1428719e19d4254e42f9760d9c8e12d6a796f8d2ee1b0db950c9

Aliases

arxiv: 2507.05610 · arxiv_version: 2507.05610v2 · doi: 10.48550/arxiv.2507.05610 · pith_short_12: 2H6ODNWUFUKC · pith_short_16: 2H6ODNWUFUKCQ4M6 · pith_short_8: 2H6ODNWU

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/2H6ODNWUFUKCQ4M6DHKCKTSC7F \
  | 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: d1fce1b6d42d1428719e19d4254e42f9760d9c8e12d6a796f8d2ee1b0db950c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eebd1863115db666794e4c39c0640374b36bbdf316e489decc7057a623b5e2f4",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2025-07-08T02:38:14Z",
    "title_canon_sha256": "df29051434a31aab9d64b383ec22737f5a96475128c1fe8af23bc9ca5dae5142"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.05610",
    "kind": "arxiv",
    "version": 2
  }
}