Pith Number

pith:KLLC5U2V

pith:2015:KLLC5U2VT3IBCZFWMXTZRQLOTM

not attested not anchored not stored refs pending

Scalable Nuclear-norm Minimization by Subspace Pursuit Proximal Riemannian Gradient

Anton van den Hengel, Dong Xu, Junbin Gao, Mingkui Tan, Qinfeng Shi, Shijie Xiao

arxiv:1503.02828 v2 · 2015-03-10 · cs.LG · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KLLC5U2VT3IBCZFWMXTZRQLOTM}

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	2026-05-18T02:21:51.190130Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

52d62ed3559ed01164b665e798c16e9b182f110b74c88a9dcfdd209b6e1e413f

Aliases

arxiv: 1503.02828 · arxiv_version: 1503.02828v2 · doi: 10.48550/arxiv.1503.02828 · pith_short_12: KLLC5U2VT3IB · pith_short_16: KLLC5U2VT3IBCZFW · pith_short_8: KLLC5U2V

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/KLLC5U2VT3IBCZFWMXTZRQLOTM \
  | 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: 52d62ed3559ed01164b665e798c16e9b182f110b74c88a9dcfdd209b6e1e413f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "875465eaf7eebe2614dc498ceaeadf5701112fc215d92c4043bf38eb3ffc1868",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2015-03-10T09:42:17Z",
    "title_canon_sha256": "13db1d40970028635614ef4f6323fdddf0d6f2f88a10d286cb11563b9eef9365"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.02828",
    "kind": "arxiv",
    "version": 2
  }
}