Pith Number

pith:SQ44XG54

pith:2026:SQ44XG54FH2AFU6GNZBVCD5Y4R

not attested not anchored not stored refs pending

LoRA-based Adaptation Alone Is Not Enough: Understanding the Limits of Foundation Models for Face Presentation Attack Detection

Anjith George, Marcel S\'ebastien, Peter Lorenz

arxiv:2608.09633 v1 · 2026-08-10 · cs.CV · 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{SQ44XG54FH2AFU6GNZBVCD5Y4R}

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	2026-08-11T02:24:42.580711Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9439cb9bbc29f402d3c66e43510fb8e45b40bfc6e875e3db2ace3f954573eb46

Aliases

arxiv: 2608.09633 · arxiv_version: 2608.09633v1 · doi: 10.48550/arxiv.2608.09633 · pith_short_12: SQ44XG54FH2A · pith_short_16: SQ44XG54FH2AFU6G · pith_short_8: SQ44XG54

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/SQ44XG54FH2AFU6GNZBVCD5Y4R \
  | 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: 9439cb9bbc29f402d3c66e43510fb8e45b40bfc6e875e3db2ace3f954573eb46

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "29d8670208c0a461fc39ad06bbfd9c76e80228daf14d5fc8b37b8dbe0d6a0f1b",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-08-10T14:13:23Z",
    "title_canon_sha256": "b45cf6e1e1a46e6679b7e6971c0195806cd841b96b41ad20b08395dab9793938"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.09633",
    "kind": "arxiv",
    "version": 1
  }
}