Pith Number

pith:E6K4Z6BI

pith:2026:E6K4Z6BIVXVSJSD3UORGBZY4LE

not attested not anchored not stored refs pending

CPG-PAD: Concept-Informed Prompts Guided Presentation Attack Detection

Ajian Liu, Haoyuan Zhang, Li Gao, Siran Peng, Xiangyu Zhu, Zhen Lei

arxiv:2607.01303 v1 · 2026-07-01 · cs.CV · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E6K4Z6BIVXVSJSD3UORGBZY4LE}

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	2026-07-03T00:16:56.827237Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2795ccf828adeb24c87ba3a260e71c59052d64fafe78bac606914c91416e435b

Aliases

arxiv: 2607.01303 · arxiv_version: 2607.01303v1 · doi: 10.48550/arxiv.2607.01303 · pith_short_12: E6K4Z6BIVXVS · pith_short_16: E6K4Z6BIVXVSJSD3 · pith_short_8: E6K4Z6BI

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/E6K4Z6BIVXVSJSD3UORGBZY4LE \
  | 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: 2795ccf828adeb24c87ba3a260e71c59052d64fafe78bac606914c91416e435b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8445cd42b75664ff2ab95e5f50af41de7baa6cddc5d27aa45b82f1d528389f75",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-07-01T15:33:45Z",
    "title_canon_sha256": "06ba090b9c814f01a775a513abced146ba41f97812ec4e92437fcc6ee1a0419c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.01303",
    "kind": "arxiv",
    "version": 1
  }
}