Pith Number

pith:X7YFDWI4

pith:2021:X7YFDWI47ZBQL6TDMVJXFOBGCG

not attested not anchored not stored refs pending

The Hammer and the Nut: Is Bilevel Optimization Really Needed to Poison Linear Classifiers?

Ambra Demontis, Antonio Emanuele Cin\`a, Battista Biggio, Fabio Roli, Marcello Pelillo, Sebastiano Vascon

arxiv:2103.12399 v1 · 2021-03-23 · cs.LG · cs.AI · 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{X7YFDWI47ZBQL6TDMVJXFOBGCG}

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	2026-07-05T02:25:46.447325Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bff051d91cfe4305fa63655372b8261187db2414cf9d274b34251b721e775143

Aliases

arxiv: 2103.12399 · arxiv_version: 2103.12399v1 · doi: 10.48550/arxiv.2103.12399 · pith_short_12: X7YFDWI47ZBQ · pith_short_16: X7YFDWI47ZBQL6TD · pith_short_8: X7YFDWI4

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/X7YFDWI47ZBQL6TDMVJXFOBGCG \
  | 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: bff051d91cfe4305fa63655372b8261187db2414cf9d274b34251b721e775143

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f137f9f335acd15b22af9023e7fcbbc899c555b20ee92955e5c20f9835cf66c",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-03-23T09:08:10Z",
    "title_canon_sha256": "5f1a93c0738aef237d55dec341d2b36aa3cf2c59cc93f8c67ca94cd7397106b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.12399",
    "kind": "arxiv",
    "version": 1
  }
}