Pith Number

pith:UXBPAQ52

pith:2023:UXBPAQ52UM6MLY6SKAP2KWUQEE

not attested not anchored not stored refs pending

Defense Against Model Extraction Attacks on Recommender Systems

Cheng Long, Hongxu Chen, Hongzhi Yin, Sixiao Zhang

arxiv:2310.16335 v1 · 2023-10-25 · 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{UXBPAQ52UM6MLY6SKAP2KWUQEE}

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	2026-07-05T07:04:55.970727Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5c2f043baa33cc5e3d2501fa55a90213f9fb458121fb52286d2382c481bed46

Aliases

arxiv: 2310.16335 · arxiv_version: 2310.16335v1 · doi: 10.48550/arxiv.2310.16335 · pith_short_12: UXBPAQ52UM6M · pith_short_16: UXBPAQ52UM6MLY6S · pith_short_8: UXBPAQ52

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/UXBPAQ52UM6MLY6SKAP2KWUQEE \
  | 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: a5c2f043baa33cc5e3d2501fa55a90213f9fb458121fb52286d2382c481bed46

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04baf2ec2a7463f4d5b109d0c7f4fd8f43f02ec4a8de92a29ac2daedcd52a03f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2023-10-25T03:30:42Z",
    "title_canon_sha256": "f4622b43d22bec42e31a51a5d366dfd7641ebba784d7b3c8cc45e13afe25669a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2310.16335",
    "kind": "arxiv",
    "version": 1
  }
}