Pith Number

pith:CAAO263F

pith:2020:CAAO263FLODZW6IQBL4LQDXURG

not attested not anchored not stored refs pending

SoK: Training Machine Learning Models over Multiple Sources with Privacy Preservation

Guopeng Lin, Haoqi Wu, Jiaxuan Wang, Lushan Song, Weili Han, Wenqiang Ruan

arxiv:2012.03386 v2 · 2020-12-06 · cs.CR · 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{CAAO263FLODZW6IQBL4LQDXURG}

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	2026-07-05T05:50:02.829507Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1000ed7b655b879b79100af8b80ef489a27ce083b82be8c874963ff1638424e6

Aliases

arxiv: 2012.03386 · arxiv_version: 2012.03386v2 · doi: 10.48550/arxiv.2012.03386 · pith_short_12: CAAO263FLODZ · pith_short_16: CAAO263FLODZW6IQ · pith_short_8: CAAO263F

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/CAAO263FLODZW6IQBL4LQDXURG \
  | 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: 1000ed7b655b879b79100af8b80ef489a27ce083b82be8c874963ff1638424e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2f968d9e9565a9e4a247c284552edce9a362cfb926cf0b6f2513da9c117ef8a",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2020-12-06T22:24:28Z",
    "title_canon_sha256": "6602b894509e85b1101cbfee5dcd11df0b0f18e5b7de31c4fb3674a35b0a39b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.03386",
    "kind": "arxiv",
    "version": 2
  }
}