Pith Number

pith:EQQ7DXTB

pith:2019:EQQ7DXTBIW6XOXHFXZKVCXSKVC

not attested not anchored not stored refs pending

Subspace Clustering of Very Sparse High-Dimensional Data

Hankui Peng, Idris Eckley, Ioannis Tsalamanis, Nicos Pavlidis

arxiv:1901.09108 v1 · 2019-01-25 · stat.ML · 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{EQQ7DXTBIW6XOXHFXZKVCXSKVC}

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	2026-05-17T23:55:30.523633Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2421f1de6145bd775ce5be55515e4aa8955f60486cf4188fb22655efd2ebb4f6

Aliases

arxiv: 1901.09108 · arxiv_version: 1901.09108v1 · doi: 10.48550/arxiv.1901.09108 · pith_short_12: EQQ7DXTBIW6X · pith_short_16: EQQ7DXTBIW6XOXHF · pith_short_8: EQQ7DXTB

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/EQQ7DXTBIW6XOXHFXZKVCXSKVC \
  | 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: 2421f1de6145bd775ce5be55515e4aa8955f60486cf4188fb22655efd2ebb4f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "597969c8da8b499c13af504538f870b2ffb1befee7416772e5ce3d00791fb1dd",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2019-01-25T22:30:20Z",
    "title_canon_sha256": "e3002b9c02d72ce623150335776a943e46d5660c7388a9aea87a51c68fd17d6e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.09108",
    "kind": "arxiv",
    "version": 1
  }
}