Pith Number

pith:7FA5GU3C

pith:2014:7FA5GU3CKA54KOLKXD3VILWJQG

not attested not anchored not stored refs pending

$k$-POD: A Method for $k$-Means Clustering of Missing Data

Eric C. Chi, Jocelyn T. Chi, Richard G. Baraniuk

arxiv:1411.7013 v3 · 2014-11-25 · stat.CO · 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{7FA5GU3CKA54KOLKXD3VILWJQG}

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	2026-05-18T00:14:07.115418Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f941d35362503bc5396ab8f7542ec981bb17d4bd347b6f1cbf878149839b3b6c

Aliases

arxiv: 1411.7013 · arxiv_version: 1411.7013v3 · doi: 10.48550/arxiv.1411.7013 · pith_short_12: 7FA5GU3CKA54 · pith_short_16: 7FA5GU3CKA54KOLK · pith_short_8: 7FA5GU3C

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/7FA5GU3CKA54KOLKXD3VILWJQG \
  | 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: f941d35362503bc5396ab8f7542ec981bb17d4bd347b6f1cbf878149839b3b6c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b125627ec65e93ff8c5b2d8f17bf7fe9029fcef7f2f46d812970528f99977064",
    "cross_cats_sorted": [
      "stat.ME"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.CO",
    "submitted_at": "2014-11-25T20:37:58Z",
    "title_canon_sha256": "c4c1a012d8b48e327f7ffe4981620eb91fd214f5d4884b202ac810d3a6062647"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.7013",
    "kind": "arxiv",
    "version": 3
  }
}