Pith Number

pith:H2Q5CUFA

pith:2018:H2Q5CUFAS2CCLE52ZILVSLROFJ

not attested not anchored not stored refs pending

Tractable and Scalable Schatten Quasi-Norm Approximations for Rank Minimization

Fanhua Shang, James Cheng, Yuanyuan Liu

arxiv:1803.00420 v1 · 2018-02-28 · cs.LG · 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{H2Q5CUFAS2CCLE52ZILVSLROFJ}

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	2026-05-18T00:22:12.210522Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ea1d150a096842593baca17592e2e2a4fb8f4d8964261c5fd83f3e9d57340c8

Aliases

arxiv: 1803.00420 · arxiv_version: 1803.00420v1 · doi: 10.48550/arxiv.1803.00420 · pith_short_12: H2Q5CUFAS2CC · pith_short_16: H2Q5CUFAS2CCLE52 · pith_short_8: H2Q5CUFA

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/H2Q5CUFAS2CCLE52ZILVSLROFJ \
  | 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: 3ea1d150a096842593baca17592e2e2a4fb8f4d8964261c5fd83f3e9d57340c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7711741d8ea294ba77061aeb7b158dffd7efadfcd5e89d519122d17b3a79db0d",
    "cross_cats_sorted": [
      "math.OC",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-02-28T03:29:33Z",
    "title_canon_sha256": "9009c9114a47ee23a0f804ab55b4a4265d5080ae28c8cd8f8d3611bd5c361c3e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.00420",
    "kind": "arxiv",
    "version": 1
  }
}