Pith Number

pith:5SOWSZLP

pith:2025:5SOWSZLPZCKB4U5TQENZ3WSGK5

not attested not anchored not stored refs pending

K-Means Panel Data Clustering in the Presence of Small Groups

Mikihito Nishi

arxiv:2508.15408 v1 · 2025-08-21 · econ.EM · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5SOWSZLPZCKB4U5TQENZ3WSGK5}

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	2026-07-05T11:57:11.753549Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec9d69656fc8941e53b3811b9dda465776dc885b99491a8e51070a50760d2820

Aliases

arxiv: 2508.15408 · arxiv_version: 2508.15408v1 · doi: 10.48550/arxiv.2508.15408 · pith_short_12: 5SOWSZLPZCKB · pith_short_16: 5SOWSZLPZCKB4U5T · pith_short_8: 5SOWSZLP

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/5SOWSZLPZCKB4U5TQENZ3WSGK5 \
  | 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: ec9d69656fc8941e53b3811b9dda465776dc885b99491a8e51070a50760d2820

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3fc76a5d6317afb40831b694294396cbadb582dec855adacb6a73d30ff01ec0c",
    "cross_cats_sorted": [
      "stat.ME"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "econ.EM",
    "submitted_at": "2025-08-21T10:02:49Z",
    "title_canon_sha256": "50dc8b8adb183613f9baa7740055a3edd8b6bde9cb687f905e4086dea49f00a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.15408",
    "kind": "arxiv",
    "version": 1
  }
}