Pith. sign in
Pith Number

pith:EFJ6XA3U

pith:2020:EFJ6XA3U2JHU26C5H4DPDVMQPO
not attested not anchored not stored refs pending

Efficient algorithms for multivariate shape-constrained convex regression problems

Defeng Sun, Kim-Chuan Toh, Meixia Lin

arxiv:2002.11410 v1 · 2020-02-26 · math.OC · stat.ML

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{EFJ6XA3U2JHU26C5H4DPDVMQPO}

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.

Cited by

1 paper in Pith

Receipt and verification
First computed 2026-07-05T00:44:02.072191Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

2153eb8374d24f4d785d3f06f1d5907bb02d381c2565dbc828c8c61f9460a604

Aliases

arxiv: 2002.11410 · arxiv_version: 2002.11410v1 · doi: 10.48550/arxiv.2002.11410 · pith_short_12: EFJ6XA3U2JHU · pith_short_16: EFJ6XA3U2JHU26C5 · pith_short_8: EFJ6XA3U
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/EFJ6XA3U2JHU26C5H4DPDVMQPO \
  | 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: 2153eb8374d24f4d785d3f06f1d5907bb02d381c2565dbc828c8c61f9460a604
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "b1e01e8f4450685271c25511cf7f6cd9566d79a302b4de1aefe0e6802564e08b",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2020-02-26T11:18:43Z",
    "title_canon_sha256": "4349fcf536acbe9a9cc907e803083c0f884a73d91d540eff799307ae1f73855d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.11410",
    "kind": "arxiv",
    "version": 1
  }
}