Pith Number

pith:GHNZIMG6

pith:2022:GHNZIMG6IUUN7UASTFOPTCEABA

not attested not anchored not stored refs pending

Counteracting Dark Web Text-Based CAPTCHA with Generative Adversarial Learning for Proactive Cyber Threat Intelligence

Hsinchun Chen, MohammadReza Ebrahimi, Ning Zhang, Weifeng Li

arxiv:2201.02799 v2 · 2022-01-08 · 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{GHNZIMG6IUUN7UASTFOPTCEABA}

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	2026-07-05T03:48:48.968214Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

31db9430de4528dfd012995cf988800823eb71787a35bdb6e5c21ca448a43300

Aliases

arxiv: 2201.02799 · arxiv_version: 2201.02799v2 · doi: 10.48550/arxiv.2201.02799 · pith_short_12: GHNZIMG6IUUN · pith_short_16: GHNZIMG6IUUN7UAS · pith_short_8: GHNZIMG6

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/GHNZIMG6IUUN7UASTFOPTCEABA \
  | 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: 31db9430de4528dfd012995cf988800823eb71787a35bdb6e5c21ca448a43300

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8dafc481312eb43db6c8ea6511ae486f1edd8979ed80bad5f27a36a7063637fc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2022-01-08T09:53:31Z",
    "title_canon_sha256": "a3d646ed14404127e02ba8343bc7e0eeb165feea95ff16818a9079acd480142c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.02799",
    "kind": "arxiv",
    "version": 2
  }
}