Pith Number

pith:4YQNCDCR

pith:2018:4YQNCDCRRLANJZ2NAZUYZMZHRB

not attested not anchored not stored refs pending

Constrained Sparse Subspace Clustering with Side-Information

Chun-Guang Li, Jun Guo, Junjian Zhang

arxiv:1805.08183 v2 · 2018-05-21 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4YQNCDCRRLANJZ2NAZUYZMZHRB}

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	2026-05-18T00:15:27.266649Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e620d10c518ac0d4e74d06698cb327887c62babedcd16a61a1426819a80de5f7

Aliases

arxiv: 1805.08183 · arxiv_version: 1805.08183v2 · doi: 10.48550/arxiv.1805.08183 · pith_short_12: 4YQNCDCRRLAN · pith_short_16: 4YQNCDCRRLANJZ2N · pith_short_8: 4YQNCDCR

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/4YQNCDCRRLANJZ2NAZUYZMZHRB \
  | 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: e620d10c518ac0d4e74d06698cb327887c62babedcd16a61a1426819a80de5f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b875d9c8e6c042c7c4d7d04a71c89e91f194e99575a17d3d6d141e0072e92f64",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-05-21T17:06:17Z",
    "title_canon_sha256": "8d414b5efa4719446264c7cb4f831bdabcaa107eeb8e1f68195d70b798254060"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.08183",
    "kind": "arxiv",
    "version": 2
  }
}