Pith Number

pith:YVAIY5IX

pith:2016:YVAIY5IXRUOW7RCQ2TLRCNUKXX

not attested not anchored not stored refs pending

Sparse Learning with Semi-Proximal-Based Strictly Contractive Peaceman-Rachford Splitting Method

Cho-Jui Hsieh, Sen Na

arxiv:1612.09357 v2 · 2016-12-30 · stat.CO · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YVAIY5IXRUOW7RCQ2TLRCNUKXX}

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	2026-05-18T00:30:22.407799Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c5408c75178d1d6fc450d4d711368abdc10264c13d949a53f86d0650fa89c088

Aliases

arxiv: 1612.09357 · arxiv_version: 1612.09357v2 · doi: 10.48550/arxiv.1612.09357 · pith_short_12: YVAIY5IXRUOW · pith_short_16: YVAIY5IXRUOW7RCQ · pith_short_8: YVAIY5IX

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/YVAIY5IXRUOW7RCQ2TLRCNUKXX \
  | 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: c5408c75178d1d6fc450d4d711368abdc10264c13d949a53f86d0650fa89c088

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "155de076e016c82a9a31d5683e4a01d013b291fa7bc9d5523a2eab836fa627de",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.CO",
    "submitted_at": "2016-12-30T00:38:30Z",
    "title_canon_sha256": "c8acae151793a45d5627bbda01a19a7183f9b3b275b5ccaf0043e79e247b2aec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.09357",
    "kind": "arxiv",
    "version": 2
  }
}