Pith Number

pith:WF6K3EZ4

pith:2025:WF6K3EZ422BADAKGR77CGSSTH2

not attested not anchored not stored refs pending

Group-wise Scaling and Orthogonal Decomposition for Domain-Invariant Feature Extraction in Face Anti-Spoofing

Haeun Noh, Jongwon Choi, Jungmin Lee, Kanghee Lee, Seungjin Jung, Yonghyun Jeong

arxiv:2507.04006 v1 · 2025-07-05 · 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{WF6K3EZ422BADAKGR77CGSSTH2}

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	2026-07-05T11:32:40.671429Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b17cad933cd6820181468ffe234a533ea60441dfcb474af1368678c6f37fb808

Aliases

arxiv: 2507.04006 · arxiv_version: 2507.04006v1 · doi: 10.48550/arxiv.2507.04006 · pith_short_12: WF6K3EZ422BA · pith_short_16: WF6K3EZ422BADAKG · pith_short_8: WF6K3EZ4

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/WF6K3EZ422BADAKGR77CGSSTH2 \
  | 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: b17cad933cd6820181468ffe234a533ea60441dfcb474af1368678c6f37fb808

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24bc326dd82ad3618db73eacf61cb1687ceb1f94b005a788b6f18e78c12f239f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-07-05T11:20:19Z",
    "title_canon_sha256": "853bfa55a4df42a855a079c493b7bb3e37dcc2e6dee6c84444fe6e272ae37067"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.04006",
    "kind": "arxiv",
    "version": 1
  }
}