Pith Number

pith:VIET2QJZ

pith:2013:VIET2QJZCCA7ZJAHWLMWZJPDPM

not attested not anchored not stored refs pending

A Unified Framework for Representation-based Subspace Clustering of Out-of-sample and Large-scale Data

Huajin Tang, Lei Zhang, Shijie Xiao, Xi Peng, Zhang Yi

arxiv:1309.6487 v2 · 2013-09-25 · cs.LG · cs.CV · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VIET2QJZCCA7ZJAHWLMWZJPDPM}

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	2026-05-18T00:44:29.492307Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aa093d41391081fca407b2d96ca5e37b267a3d20d321c6208b2b40f4bccdc118

Aliases

arxiv: 1309.6487 · arxiv_version: 1309.6487v2 · doi: 10.48550/arxiv.1309.6487 · pith_short_12: VIET2QJZCCA7 · pith_short_16: VIET2QJZCCA7ZJAH · pith_short_8: VIET2QJZ

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/VIET2QJZCCA7ZJAHWLMWZJPDPM \
  | 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: aa093d41391081fca407b2d96ca5e37b267a3d20d321c6208b2b40f4bccdc118

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d7d65de14d68436e0b6d8a69473ab1f8939619de7423c4d67d08f04d031f035",
    "cross_cats_sorted": [
      "cs.CV",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2013-09-25T12:53:13Z",
    "title_canon_sha256": "868b277c080b8e7eb9bc8fe7521c5ef4089a8adb9713c6f63f33705048d649f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.6487",
    "kind": "arxiv",
    "version": 2
  }
}