Pith Number

pith:WJDXDMLI

pith:2025:WJDXDMLI3E2YPR2XOGIDMMD24D

not attested not anchored not stored refs pending

Transformer-Based Extraction of Statutory Definitions from the U.S. Code

Arpana Hosabettu (Google), Harsh Shah (Cornell University)

arxiv:2504.16353 v1 · 2025-04-23 · cs.CL · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WJDXDMLI3E2YPR2XOGIDMMD24D}

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	2026-07-05T10:52:45.381725Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b24771b168d93587c757719036307ae0dcfc186c731d82298b886536bee5dacc

Aliases

arxiv: 2504.16353 · arxiv_version: 2504.16353v1 · doi: 10.48550/arxiv.2504.16353 · pith_short_12: WJDXDMLI3E2Y · pith_short_16: WJDXDMLI3E2YPR2X · pith_short_8: WJDXDMLI

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/WJDXDMLI3E2YPR2XOGIDMMD24D \
  | 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: b24771b168d93587c757719036307ae0dcfc186c731d82298b886536bee5dacc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "517706525eaa21350e2c8aa77ef3c33500e356a190b39017ab821262979cc521",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-04-23T02:09:53Z",
    "title_canon_sha256": "3e8d9ed5e3161a55504e289a76c138edc92937e3830f89b08873de1ccca1456b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.16353",
    "kind": "arxiv",
    "version": 1
  }
}