Pith Number

pith:XMXL5G3K

pith:2015:XMXL5G3KWLFXLSVUOCDAX6QTGI

not attested not anchored not stored refs pending

Robust Subspace Clustering via Tighter Rank Approximation

Chong Peng, Qiang Cheng, Zhao Kang

arxiv:1510.08971 v1 · 2015-10-30 · cs.CV · cs.AI · cs.LG · 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{XMXL5G3KWLFXLSVUOCDAX6QTGI}

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	2026-05-18T01:28:23.917714Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb2ebe9b6ab2cb75cab470860bfa133210400556275a1798dae43612611d2783

Aliases

arxiv: 1510.08971 · arxiv_version: 1510.08971v1 · doi: 10.48550/arxiv.1510.08971 · pith_short_12: XMXL5G3KWLFX · pith_short_16: XMXL5G3KWLFXLSVU · pith_short_8: XMXL5G3K

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/XMXL5G3KWLFXLSVUOCDAX6QTGI \
  | 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: bb2ebe9b6ab2cb75cab470860bfa133210400556275a1798dae43612611d2783

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef629203a6756b8a7544b049a4232e4bb6d12bd55ce75bd88cb1e81ca93ed094",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2015-10-30T05:34:49Z",
    "title_canon_sha256": "cca707bb466030473e6e1a76b245021925b2f5261ea0ff11af0e201c215794a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.08971",
    "kind": "arxiv",
    "version": 1
  }
}