Pith Number

pith:S7FXSGN7

pith:2018:S7FXSGN76OW2LXBCNBMPD6FEZX

not attested not anchored not stored refs pending

$\ell_0$-Motivated Low-Rank Sparse Subspace Clustering

Ivica Kopriva, Maria Brbi\'c

arxiv:1812.06580 v1 · 2018-12-17 · cs.LG · cs.CV · math.OC · 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{S7FXSGN76OW2LXBCNBMPD6FEZX}

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	2026-05-17T23:58:09.833379Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

97cb7919bff3ada5dc226858f1f8a4cdd1e15ac7f1826023b230c98a672ef6c2

Aliases

arxiv: 1812.06580 · arxiv_version: 1812.06580v1 · doi: 10.48550/arxiv.1812.06580 · pith_short_12: S7FXSGN76OW2 · pith_short_16: S7FXSGN76OW2LXBC · pith_short_8: S7FXSGN7

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/S7FXSGN76OW2LXBCNBMPD6FEZX \
  | 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: 97cb7919bff3ada5dc226858f1f8a4cdd1e15ac7f1826023b230c98a672ef6c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "12178b6cdcad5e8c83783a634ce88279a3ac48d775af4e9d91fcb5bcb3046b6f",
    "cross_cats_sorted": [
      "cs.CV",
      "math.OC",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-12-17T02:06:16Z",
    "title_canon_sha256": "63973544e689ff938e83ef046cc270a503f4fa10d89781838606b3ce498ff62d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.06580",
    "kind": "arxiv",
    "version": 1
  }
}