Pith Number

pith:OUZKPPPI

pith:2022:OUZKPPPIG5FWCIVVNPBDHCDK5J

not attested not anchored not stored refs pending

Differential Private Knowledge Transfer for Privacy-Preserving Cross-Domain Recommendation

Chaochao Chen, Huiwen Wu, Jiajie Su, Lingjuan Lyu, Li Wang, Xiaolin Zheng

arxiv:2202.04893 v1 · 2022-02-10 · 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{OUZKPPPIG5FWCIVVNPBDHCDK5J}

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	2026-07-05T03:55:55.434247Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7532a7bde8374b6122b56bc233886aea64f47a8e3fd3ff73aebf1ec75112ccd2

Aliases

arxiv: 2202.04893 · arxiv_version: 2202.04893v1 · doi: 10.48550/arxiv.2202.04893 · pith_short_12: OUZKPPPIG5FW · pith_short_16: OUZKPPPIG5FWCIVV · pith_short_8: OUZKPPPI

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/OUZKPPPIG5FWCIVVNPBDHCDK5J \
  | 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: 7532a7bde8374b6122b56bc233886aea64f47a8e3fd3ff73aebf1ec75112ccd2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bee8f0ad40705aaa178a5174016adffd792130352aca8583a64c90852a84e106",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2022-02-10T08:31:37Z",
    "title_canon_sha256": "62e440b6fe55e941cb9e69261056474fe19c3d581c060fda4e309dfda75b21e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.04893",
    "kind": "arxiv",
    "version": 1
  }
}