Pith Number

pith:NSOQ6UVV

pith:2022:NSOQ6UVVCWARPJFUJXOHL3W3TF

not attested not anchored not stored refs pending

Exploiting Data Sparsity in Secure Cross-Platform Social Recommendation

Carl Yang, Chaochao Chen, Jamie Cui, Lingjuan Lyu, Li Wang

arxiv:2202.07253 v1 · 2022-02-15 · cs.LG · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NSOQ6UVVCWARPJFUJXOHL3W3TF}

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	2026-07-05T03:56:58.207098Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c9d0f52b5158117a4b44ddc75eedb995bac017ae7abb97d4aeef2c355e493b8

Aliases

arxiv: 2202.07253 · arxiv_version: 2202.07253v1 · doi: 10.48550/arxiv.2202.07253 · pith_short_12: NSOQ6UVVCWAR · pith_short_16: NSOQ6UVVCWARPJFU · pith_short_8: NSOQ6UVV

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/NSOQ6UVVCWARPJFUJXOHL3W3TF \
  | 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: 6c9d0f52b5158117a4b44ddc75eedb995bac017ae7abb97d4aeef2c355e493b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e0f582c05a4291678cad5aad2bc1548cbf53175d3a79bf565926fbed6f7b9b4c",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2022-02-15T08:46:34Z",
    "title_canon_sha256": "b0e1765a973e682f436e6e1300824a4bc62fa2a228a056cd26b396325401143b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.07253",
    "kind": "arxiv",
    "version": 1
  }
}