Pith Number

pith:CQ2A6OMW

pith:2022:CQ2A6OMWEG7NURK5IU7K4KHVAQ

not attested not anchored not stored refs pending

Case law retrieval: problems, methods, challenges and evaluations in the last 20 years

Daniel Locke, Guido Zuccon

arxiv:2202.07209 v1 · 2022-02-15 · cs.IR · 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{CQ2A6OMWEG7NURK5IU7K4KHVAQ}

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.

Cited by

1 paper in Pith

Maat: The Agentic Legal Research Assistant for Competition Protection

Receipt and verification

First computed	2026-07-05T03:56:57.764111Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

14340f399621beda455d453eae28f5041e5da551dc21032947bef84b80ad5d0d

Aliases

arxiv: 2202.07209 · arxiv_version: 2202.07209v1 · doi: 10.48550/arxiv.2202.07209 · pith_short_12: CQ2A6OMWEG7N · pith_short_16: CQ2A6OMWEG7NURK5 · pith_short_8: CQ2A6OMW

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/CQ2A6OMWEG7NURK5IU7K4KHVAQ \
  | 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: 14340f399621beda455d453eae28f5041e5da551dc21032947bef84b80ad5d0d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3171313fe50083b2f318a7e103f557c41a644340b5d271295fe9f1571107b2cb",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2022-02-15T06:01:36Z",
    "title_canon_sha256": "3b9a938d9467dfe0f8e1aa5a7c107a6ebc8797c769358acaf982a08d069ba998"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.07209",
    "kind": "arxiv",
    "version": 1
  }
}