Pith Number

pith:5JA5PVES

pith:2019:5JA5PVES6YEQL44TGLUOGJMS66

not attested not anchored not stored refs pending

Simultaneous Estimation of Number of Clusters and Feature Sparsity in Clustering High-Dimensional Data

Chien-Wei Lin, George Tseng, Xiangrui Zeng, Yujia Li

arxiv:1909.01930 v1 · 2019-09-04 · 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{5JA5PVES6YEQL44TGLUOGJMS66}

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	2026-07-05T00:02:21.821797Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea41d7d492f60905f39332e8e32592f798eccfb86698a091307746af2cbdb81a

Aliases

arxiv: 1909.01930 · arxiv_version: 1909.01930v1 · doi: 10.48550/arxiv.1909.01930 · pith_short_12: 5JA5PVES6YEQ · pith_short_16: 5JA5PVES6YEQL44T · pith_short_8: 5JA5PVES

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/5JA5PVES6YEQL44TGLUOGJMS66 \
  | 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: ea41d7d492f60905f39332e8e32592f798eccfb86698a091307746af2cbdb81a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b17135e6b1c509285bbb127cdf599b0df92b694689016478f2212848a7881df",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2019-09-04T16:36:34Z",
    "title_canon_sha256": "b33df9e1bbe3543bd0a71aad025c3254cd95613636f4fdeace931d3560af9f1b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.01930",
    "kind": "arxiv",
    "version": 1
  }
}