Pith Number

pith:OWETRW3U

pith:2015:OWETRW3UAT73IEOKFJ3HAIHVXO

not attested not anchored not stored refs pending

Sparse Learning for Large-scale and High-dimensional Data: A Randomized Convex-concave Optimization Approach

Lijun Zhang, Rong Jin, Tianbao Yang, Zhi-Hua Zhou

arxiv:1511.03766 v2 · 2015-11-12 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OWETRW3UAT73IEOKFJ3HAIHVXO}

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	2026-05-18T01:02:13.460808Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

758938db7404ffb411ca2a767020f5bba9812ebdf7b6228b42cc5c86057c335c

Aliases

arxiv: 1511.03766 · arxiv_version: 1511.03766v2 · doi: 10.48550/arxiv.1511.03766 · pith_short_12: OWETRW3UAT73 · pith_short_16: OWETRW3UAT73IEOK · pith_short_8: OWETRW3U

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/OWETRW3UAT73IEOKFJ3HAIHVXO \
  | 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: 758938db7404ffb411ca2a767020f5bba9812ebdf7b6228b42cc5c86057c335c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57d630595b13734845fde4f162d926ef19631f4d74cbfc2c13d485cfe31e1176",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2015-11-12T03:11:48Z",
    "title_canon_sha256": "fb74322f934c16e6d9a1711d39dae5d4ce7db471d42e8cebae7aacfc6bc40d0e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.03766",
    "kind": "arxiv",
    "version": 2
  }
}