Pith Number

pith:6OCINMDP

pith:2014:6OCINMDPXY2JROPJEM2DICIQWY

not attested not anchored not stored refs pending

A Comparison of Clustering and Missing Data Methods for Health Sciences

Christopher Johansen, Deanna Needell, Jerry L. Grenard, Ran Zhao

arxiv:1404.5899 v1 · 2014-04-22 · math.NA · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6OCINMDPXY2JROPJEM2DICIQWY}

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	2026-05-18T02:53:27.598877Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f38486b06fbe3498b9e92334340910b61e67f39366da3571c26587452f9aa3e2

Aliases

arxiv: 1404.5899 · arxiv_version: 1404.5899v1 · doi: 10.48550/arxiv.1404.5899 · pith_short_12: 6OCINMDPXY2J · pith_short_16: 6OCINMDPXY2JROPJ · pith_short_8: 6OCINMDP

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/6OCINMDPXY2JROPJEM2DICIQWY \
  | 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: f38486b06fbe3498b9e92334340910b61e67f39366da3571c26587452f9aa3e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f5d7f5986eeb5a5dc9253082bd918ecc8a5b8c911165ca53d1f7ec9b0e75b80",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-04-22T05:04:00Z",
    "title_canon_sha256": "a00f5e3c0cfc51ba7ebe3ca9377cb06149a3881187c06055a7ac86120b8bd2a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.5899",
    "kind": "arxiv",
    "version": 1
  }
}