Pith Number

pith:FEYUSNG7

pith:2017:FEYUSNG76HDR3V6EPYLKXLTH3J

not attested not anchored not stored refs pending

CUR Decompositions, Similarity Matrices, and Subspace Clustering

Ahmet Bugra Koku, Akram Aldroubi, Ali Sekmen, Keaton Hamm

arxiv:1711.04178 v3 · 2017-11-11 · cs.LG · cs.CV · math.NA · 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{FEYUSNG76HDR3V6EPYLKXLTH3J}

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	2026-05-17T23:58:31.113721Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

29314934dff1c71dd7c47e16abae67da506c11e0caaa3550958e57b856c7d905

Aliases

arxiv: 1711.04178 · arxiv_version: 1711.04178v3 · doi: 10.48550/arxiv.1711.04178 · pith_short_12: FEYUSNG76HDR · pith_short_16: FEYUSNG76HDR3V6E · pith_short_8: FEYUSNG7

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/FEYUSNG76HDR3V6EPYLKXLTH3J \
  | 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: 29314934dff1c71dd7c47e16abae67da506c11e0caaa3550958e57b856c7d905

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d88198343aea147584fdd768bb49beeed74893da8c4a6110281786600883029",
    "cross_cats_sorted": [
      "cs.CV",
      "math.NA",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2017-11-11T18:34:34Z",
    "title_canon_sha256": "0366ba59bb663570bbee2e1bfd4cc5956bd145ba06ddec77d9ed1ee436c6a57a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.04178",
    "kind": "arxiv",
    "version": 3
  }
}