Pith Number

pith:JT25TGL4

pith:2025:JT25TGL4FSFYJLDHC4KTCQVF6W

not attested not anchored not stored refs pending

Enabling the Reuse of Personal Data in Research: A Classification Model for Legal Compliance

Eduard Mata i Noguera, Ignasi Labastida i Juan, Ruben Ortiz Uroz

arxiv:2505.15183 v2 · 2025-05-21 · cs.CY · cs.DB

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JT25TGL4FSFYJLDHC4KTCQVF6W}

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	2026-05-20T01:04:54.266565Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4cf5d9997c2c8b84ac6717153142a5f5956b17214ce1cdb926d6ba0e2142d657

Aliases

arxiv: 2505.15183 · arxiv_version: 2505.15183v2 · doi: 10.48550/arxiv.2505.15183 · pith_short_12: JT25TGL4FSFY · pith_short_16: JT25TGL4FSFYJLDH · pith_short_8: JT25TGL4

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/JT25TGL4FSFYJLDHC4KTCQVF6W \
  | 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: 4cf5d9997c2c8b84ac6717153142a5f5956b17214ce1cdb926d6ba0e2142d657

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c41225400da35c49b271291be83a47513e1bbfa667e36887f2530f4676c2943",
    "cross_cats_sorted": [
      "cs.DB"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2025-05-21T06:59:26Z",
    "title_canon_sha256": "8a0017d4bb2a8009a6eeb5a518bc303792c98a2411fa914345ed24e5cd615f35"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.15183",
    "kind": "arxiv",
    "version": 2
  }
}