Pith Number

pith:JCFGHQ3O

pith:2023:JCFGHQ3O7YKXV2DPZYXOEXLKXE

not attested not anchored not stored refs pending

Building an Invisible Shield for Your Portrait against Deepfakes

Chengbin Quan, Errui Ding, Hang Zhou, Jiazhi Guan, Lirui Deng, Tianshu Hu, Youjian Zhao, Zhizhi Guo

arxiv:2305.12881 v1 · 2023-05-22 · cs.CV · cs.MM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JCFGHQ3O7YKXV2DPZYXOEXLKXE}

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	2026-07-05T06:12:16.215727Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

488a63c36efe157ae86fce2ee25d6ab93d1510a024823ad9cffb4693600fe6c4

Aliases

arxiv: 2305.12881 · arxiv_version: 2305.12881v1 · doi: 10.48550/arxiv.2305.12881 · pith_short_12: JCFGHQ3O7YKX · pith_short_16: JCFGHQ3O7YKXV2DP · pith_short_8: JCFGHQ3O

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/JCFGHQ3O7YKXV2DPZYXOEXLKXE \
  | 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: 488a63c36efe157ae86fce2ee25d6ab93d1510a024823ad9cffb4693600fe6c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e302a5441409b846e1b078778b0a6f3c37fa0936b474337857db1b56200bca93",
    "cross_cats_sorted": [
      "cs.MM"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2023-05-22T10:01:28Z",
    "title_canon_sha256": "e8594477eabf098c201c80887efc6ed49f9cc87ffaf339c9cf0c6e86d49f547e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2305.12881",
    "kind": "arxiv",
    "version": 1
  }
}