Pith Number

pith:HCHBABCB

pith:2025:HCHBABCBWJOAOQD5XXLNAM3XA6

not attested not anchored not stored refs pending

Computational Identification of Regulatory Statements in EU Legislation

Christiaan Meijer, Gijs Jan Brandsma, Jens Blom-Hansen, Kody Moodley

arxiv:2505.00479 v1 · 2025-05-01 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HCHBABCBWJOAOQD5XXLNAM3XA6}

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	2026-07-05T10:57:14.200776Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

388e100441b25c07407dbdd6d0337707a001004b2645c2ba2aa4bfd0de46a36b

Aliases

arxiv: 2505.00479 · arxiv_version: 2505.00479v1 · doi: 10.48550/arxiv.2505.00479 · pith_short_12: HCHBABCBWJOA · pith_short_16: HCHBABCBWJOAOQD5 · pith_short_8: HCHBABCB

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/HCHBABCBWJOAOQD5XXLNAM3XA6 \
  | 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: 388e100441b25c07407dbdd6d0337707a001004b2645c2ba2aa4bfd0de46a36b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6848eca1f790679a62836abbc81d5a13bcfbe8fa760bf6f18c9c8fa3258d883e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-05-01T12:11:32Z",
    "title_canon_sha256": "f890ddc47ef4f6e4247b4fe1bb67fa0ab472b2ec0564daf308c7a2c70664178f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.00479",
    "kind": "arxiv",
    "version": 1
  }
}