Pith Number

pith:DSOV5EGG

pith:2025:DSOV5EGGAY254SCCXU66XQZ53V

not attested not anchored not stored refs pending

IllusionCAPTCHA: A CAPTCHA based on Visual Illusion

Gelei Deng, Jieshan Chen, Junchen Ding, Yi Liu, Yuekang Li, Yulei Sui, Ziqi Ding

arxiv:2502.05461 v2 · 2025-02-08 · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DSOV5EGGAY254SCCXU66XQZ53V}

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.

Cited by

1 paper in Pith

Hate in Plain Sight: On the Risks of Moderating AI-Generated Hateful Illusions

Receipt and verification

First computed	2026-07-05T10:18:13.245095Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c9d5e90c60635de4842bd3debc33ddd744ab346a3c60a3b67d83dd73ae955e3

Aliases

arxiv: 2502.05461 · arxiv_version: 2502.05461v2 · doi: 10.48550/arxiv.2502.05461 · pith_short_12: DSOV5EGGAY25 · pith_short_16: DSOV5EGGAY254SCC · pith_short_8: DSOV5EGG

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/DSOV5EGGAY254SCCXU66XQZ53V \
  | 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: 1c9d5e90c60635de4842bd3debc33ddd744ab346a3c60a3b67d83dd73ae955e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13b3111a9d02512fc28033e32533e08c1414b02175d2aad3b9e4b09266be2b6e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2025-02-08T06:03:03Z",
    "title_canon_sha256": "98cfeff575d06853d06b73e1b8e15d0f7f9c8554c7f698911534c363e2d37707"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.05461",
    "kind": "arxiv",
    "version": 2
  }
}