Pith Number

pith:PY5HG4IY

pith:2019:PY5HG4IYP7DFXUF3Y3KOJOZWJC

not attested not anchored not stored refs pending

PD-ML-Lite: Private Distributed Machine Learning from Lighweight Cryptography

Maksim Tsikhanovich, Malik Magdon-Ismail, Muhammad Ishaq, Vassilis Zikas

arxiv:1901.07986 v2 · 2019-01-23 · cs.LG · cs.CR · 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{PY5HG4IYP7DFXUF3Y3KOJOZWJC}

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	2026-05-17T23:48:50.181867Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e3a7371187fc65bd0bbc6d4e4bb364896300c194e654365f95d9a2595bcff2e

Aliases

arxiv: 1901.07986 · arxiv_version: 1901.07986v2 · doi: 10.48550/arxiv.1901.07986 · pith_short_12: PY5HG4IYP7DF · pith_short_16: PY5HG4IYP7DFXUF3 · pith_short_8: PY5HG4IY

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/PY5HG4IYP7DFXUF3Y3KOJOZWJC \
  | 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: 7e3a7371187fc65bd0bbc6d4e4bb364896300c194e654365f95d9a2595bcff2e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c81dd906d7a65bb1ca79fe4ef5cba67ec19178ba6aff91e0c2c33bdd6ddea90",
    "cross_cats_sorted": [
      "cs.CR",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-01-23T16:34:28Z",
    "title_canon_sha256": "43836ec62b000847e300f2b9ea410a83c11446ff166b2c889d455cfdc7b36968"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.07986",
    "kind": "arxiv",
    "version": 2
  }
}