Pith Number

pith:LJ4CY2KA

pith:2025:LJ4CY2KAISMZMLTPXY4NTXJKIY

not attested not anchored not stored refs pending

Backdoor Poisoning Attack Against Face Spoofing Attack Detection Methods

Koichi Ito, Shota Iwamatsu, Takafumi Aoki

arxiv:2509.03108 v2 · 2025-09-03 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LJ4CY2KAISMZMLTPXY4NTXJKIY}

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	2026-07-05T12:10:59.995345Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a782c69404499962e6fbe38d9dd2a4608f11044f643a0b5e03ed45056d825a7

Aliases

arxiv: 2509.03108 · arxiv_version: 2509.03108v2 · doi: 10.48550/arxiv.2509.03108 · pith_short_12: LJ4CY2KAISMZ · pith_short_16: LJ4CY2KAISMZMLTP · pith_short_8: LJ4CY2KA

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/LJ4CY2KAISMZMLTPXY4NTXJKIY \
  | 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: 5a782c69404499962e6fbe38d9dd2a4608f11044f643a0b5e03ed45056d825a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c9ef75cdc0abba139d01f0ed026bd2d2d22793f1b5de766108e901f6d398211d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-09-03T08:05:36Z",
    "title_canon_sha256": "206ffd8a167acc363a6257c8d9907d3fc7766ddfb333354f1c9e56ad11bd0231"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.03108",
    "kind": "arxiv",
    "version": 2
  }
}