Pith Number

pith:67EU6WAH

pith:2024:67EU6WAHXVQFOM6M5DS76IGY2X

not attested not anchored not stored refs pending

SPEAR:Exact Gradient Inversion of Batches in Federated Learning

Dimitar I. Dimitrov, Mark Niklas M\"uller, Martin Vechev, Maximilian Baader

arxiv:2403.03945 v3 · 2024-03-06 · cs.LG · cs.CR · cs.DC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{67EU6WAHXVQFOM6M5DS76IGY2X}

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	2026-07-05T09:45:45.242726Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7c94f5807bd605733cce8e5ff20d8d5c60835a453cc478df1ab7eb037cdc8b9

Aliases

arxiv: 2403.03945 · arxiv_version: 2403.03945v3 · doi: 10.48550/arxiv.2403.03945 · pith_short_12: 67EU6WAHXVQF · pith_short_16: 67EU6WAHXVQFOM6M · pith_short_8: 67EU6WAH

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/67EU6WAHXVQFOM6M5DS76IGY2X \
  | 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: f7c94f5807bd605733cce8e5ff20d8d5c60835a453cc478df1ab7eb037cdc8b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "25fe3fe9f1e30885fecb8cd76e90ae16b6463ccd24c5d574820eac5683d395b9",
    "cross_cats_sorted": [
      "cs.CR",
      "cs.DC"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2024-03-06T18:52:39Z",
    "title_canon_sha256": "cc7c147ff8cfcf33a2e3d252e81465d28b2d0a876d60f4c77147308590e97365"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2403.03945",
    "kind": "arxiv",
    "version": 3
  }
}