Pith Number

pith:R2RLK5YI

pith:2019:R2RLK5YI3VHDJVVROJA7TH6IEA

not attested not anchored not stored refs pending

Challenges of Privacy-Preserving Machine Learning in IoT

Chaojie Gu, Dixing Xu, Linshan Jiang, Mengyao Zheng, Peng Cheng, Rui Tan

arxiv:1909.09804 v1 · 2019-09-21 · cs.CR · 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{R2RLK5YI3VHDJVVROJA7TH6IEA}

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	2026-07-05T00:06:14.461679Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8ea2b57708dd4e34d6b17241f99fc820267372c4a51865e98231790c6844666b

Aliases

arxiv: 1909.09804 · arxiv_version: 1909.09804v1 · doi: 10.48550/arxiv.1909.09804 · pith_short_12: R2RLK5YI3VHD · pith_short_16: R2RLK5YI3VHDJVVR · pith_short_8: R2RLK5YI

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/R2RLK5YI3VHDJVVROJA7TH6IEA \
  | 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: 8ea2b57708dd4e34d6b17241f99fc820267372c4a51865e98231790c6844666b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c8bcc5b8eb26f6defebb855a2056bb59ab4d6feca6c4ed21605c61aca8fefd76",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2019-09-21T10:12:48Z",
    "title_canon_sha256": "343f06b2dbb96d8d0de32645ac0d410c375c1aca9f7c869b18a3ffbb65baddf2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.09804",
    "kind": "arxiv",
    "version": 1
  }
}