Pith Number

pith:3PME6NVB

pith:2018:3PME6NVBNUD45N5FMALBPCY472

not attested not anchored not stored refs pending

Are we there yet? Understanding the challenges faced in complying with the General Data Protection Regulation (GDPR)

Helena Webb, Jason R.C. Nurse, Sean Sirur

arxiv:1808.07338 v1 · 2018-08-22 · cs.CY · cs.CR · cs.NI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3PME6NVBNUD45N5FMALBPCY472}

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	2026-05-18T00:07:29.138445Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dbd84f36a16d07ceb7a56016178b1cfe8c0f6bbb979338308162ee3a492b0203

Aliases

arxiv: 1808.07338 · arxiv_version: 1808.07338v1 · doi: 10.48550/arxiv.1808.07338 · pith_short_12: 3PME6NVBNUD4 · pith_short_16: 3PME6NVBNUD45N5F · pith_short_8: 3PME6NVB

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/3PME6NVBNUD45N5FMALBPCY472 \
  | 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: dbd84f36a16d07ceb7a56016178b1cfe8c0f6bbb979338308162ee3a492b0203

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3367bf1c298a53ec6afd9b4da0fc7026f862c07e48a79b16424a4f8f493b0bd0",
    "cross_cats_sorted": [
      "cs.CR",
      "cs.NI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2018-08-22T12:52:07Z",
    "title_canon_sha256": "b30430cbd126159d2fea53841a484e30cdf25b6bbf5366db9746fa971173e429"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.07338",
    "kind": "arxiv",
    "version": 1
  }
}