Pith Number

pith:POTXXIW2

pith:2022:POTXXIW2SMHJOC2XWKMX5F3YZQ

not attested not anchored not stored refs pending

Collusion Resistant Federated Learning with Oblivious Distributed Differential Privacy

Antigoni Polychroniadou, David Byrd, Tucker Hybinette Balch, Vaikkunth Mugunthan

arxiv:2202.09897 v1 · 2022-02-20 · cs.CR · cs.AI · cs.MA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{POTXXIW2SMHJOC2XWKMX5F3YZQ}

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	2026-07-05T03:58:27.074077Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ba77ba2da930e970b57b2997e9778cc1d70cece0546a0961203facfaa846a75

Aliases

arxiv: 2202.09897 · arxiv_version: 2202.09897v1 · doi: 10.48550/arxiv.2202.09897 · pith_short_12: POTXXIW2SMHJ · pith_short_16: POTXXIW2SMHJOC2X · pith_short_8: POTXXIW2

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/POTXXIW2SMHJOC2XWKMX5F3YZQ \
  | 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: 7ba77ba2da930e970b57b2997e9778cc1d70cece0546a0961203facfaa846a75

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "15ab087f0989b7084cac8d5d779ef062a89808040c518d8b59c5fabaf106de0b",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.MA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2022-02-20T19:52:53Z",
    "title_canon_sha256": "a5e359ea62af417bfc22e1470f40721242fde967fc002ccf958085a3a965fff0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.09897",
    "kind": "arxiv",
    "version": 1
  }
}