Pith Number

pith:XOADSQDS

pith:2026:XOADSQDSLCWAZ5CE52WHIVZWCC

not attested not anchored not stored refs pending

Foundation Models for Face Presentation Attack Detection: A Unified Linear-Probing Benchmark

Anjith George, Peter Lorenz, S\'ebastien Marcel

arxiv:2607.26993 v1 · 2026-07-29 · 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{XOADSQDSLCWAZ5CE52WHIVZWCC}

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	2026-07-30T01:23:16.980353Z
Builder	pith-number-builder-2026-05-17-v1
Signature	unsigned_v0
Schema	pith-number/v1.0

Canonical hash

bb8039407258ac0cf444eeac74573610955eaf68153c0a99cdae1d06a824e5b3

Aliases

arxiv: 2607.26993 · arxiv_version: 2607.26993v1 · doi: 10.48550/arxiv.2607.26993 · pith_short_12: XOADSQDSLCWA · pith_short_16: XOADSQDSLCWAZ5CE · pith_short_8: XOADSQDS

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/XOADSQDSLCWAZ5CE52WHIVZWCC \
  | 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: bb8039407258ac0cf444eeac74573610955eaf68153c0a99cdae1d06a824e5b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "faeb1e7eb766df0e325215577e3d70c570e0fad7fdb501a86f140b8ae1ae3619",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-07-29T14:52:25Z",
    "title_canon_sha256": "160c622731aedb9ad9e5cd85d59fd1541d4199110a86a582a44dbb0f056cb883"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.26993",
    "kind": "arxiv",
    "version": 1
  }
}