Pith Number

pith:YU4ESF3U

pith:2026:YU4ESF3ULVMOV23ZQXSKBG37JF

not attested not anchored not stored refs pending

X-rated Compliance Theater: An Empirical Evaluation of European Age Verification Systems in Adult Websites

Michekle Carminati, Simone Lavermicocca, Stefano Longari

arxiv:2606.08667 v1 · 2026-06-07 · 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{YU4ESF3ULVMOV23ZQXSKBG37JF}

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	2026-06-09T01:05:43.215588Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c5384917745d58eaeb7985e4a09b7f494aae080de3ccb825382f3736e7538ccd

Aliases

arxiv: 2606.08667 · arxiv_version: 2606.08667v1 · doi: 10.48550/arxiv.2606.08667 · pith_short_12: YU4ESF3ULVMO · pith_short_16: YU4ESF3ULVMOV23Z · pith_short_8: YU4ESF3U

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/YU4ESF3ULVMOV23ZQXSKBG37JF \
  | 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: c5384917745d58eaeb7985e4a09b7f494aae080de3ccb825382f3736e7538ccd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b74e0269ba30b5432ca15fd5060034552e5747ea013d7fd08006c56a3b5e377e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2026-06-07T15:19:19Z",
    "title_canon_sha256": "9c669cd145691ff07a49b3863c716badabe9da6adc51fbb6128756ba57e84e08"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.08667",
    "kind": "arxiv",
    "version": 1
  }
}