Pith Number

pith:VOVUNUCX

pith:2025:VOVUNUCX5WLJ7EZRJ7GGS65CWE

not attested not anchored not stored refs pending

Bi-Level Optimization for Self-Supervised AI-Generated Face Detection

Baosheng Yu, Kede Ma, Mian Zou, Nan Zhong, Yibing Zhan

arxiv:2507.22824 v1 · 2025-07-30 · 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{VOVUNUCX5WLJ7EZRJ7GGS65CWE}

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	2026-07-05T11:45:49.850500Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

abab46d057ed969f93314fcc697ba2b133f292547c930d60a67a80ab9988eb5c

Aliases

arxiv: 2507.22824 · arxiv_version: 2507.22824v1 · doi: 10.48550/arxiv.2507.22824 · pith_short_12: VOVUNUCX5WLJ · pith_short_16: VOVUNUCX5WLJ7EZR · pith_short_8: VOVUNUCX

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/VOVUNUCX5WLJ7EZRJ7GGS65CWE \
  | 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: abab46d057ed969f93314fcc697ba2b133f292547c930d60a67a80ab9988eb5c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "310463a58caead22b9512c52e9e6fee87009b6df29a5bb465f3e6eee4a20383e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-07-30T16:38:29Z",
    "title_canon_sha256": "179ab79f997bd11ee2e385aff0b090be8d0acfcd67c56e84aa99a999455cb3f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.22824",
    "kind": "arxiv",
    "version": 1
  }
}