Pith Number

pith:AITKSH3H

pith:2021:AITKSH3HOYT4RJLQQBX2PYKGHY

not attested not anchored not stored refs pending

Federated $f$-Differential Privacy

Qi Long, Qinqing Zheng, Shuxiao Chen, Weijie J. Su

arxiv:2102.11158 v1 · 2021-02-22 · stat.ML · cs.AI · cs.CR · cs.CV · 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{AITKSH3HOYT4RJLQQBX2PYKGHY}

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	2026-07-05T02:17:51.396299Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0226a91f677627c8a570806fa7e1463e230f8f4301eadb9c31df4d316cc8a858

Aliases

arxiv: 2102.11158 · arxiv_version: 2102.11158v1 · doi: 10.48550/arxiv.2102.11158 · pith_short_12: AITKSH3HOYT4 · pith_short_16: AITKSH3HOYT4RJLQ · pith_short_8: AITKSH3H

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/AITKSH3HOYT4RJLQQBX2PYKGHY \
  | 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: 0226a91f677627c8a570806fa7e1463e230f8f4301eadb9c31df4d316cc8a858

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1813b121d36c5c12a4e1a5427ea52d3c641f31e0b441c57f2810466005076e63",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CR",
      "cs.CV",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2021-02-22T16:28:21Z",
    "title_canon_sha256": "890444ac16d0e2dfed87c02925f84fc632b7f7952d11c90d3fabe2972d54f4df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.11158",
    "kind": "arxiv",
    "version": 1
  }
}