Pith Number

pith:MIJ24TJ5

pith:2021:MIJ24TJ5NFNNCLSUIX7EWBJGXX

not attested not anchored not stored refs pending

High-Dimensional Quantile Regression: Convolution Smoothing and Concave Regularization

Kean Ming Tan, Lan Wang, Wen-Xin Zhou

arxiv:2109.05640 v1 · 2021-09-12 · stat.ME · math.ST · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MIJ24TJ5NFNNCLSUIX7EWBJGXX}

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	2026-07-05T03:13:40.818979Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6213ae4d3d695ad12e5445fe4b0526bdea2850176c0bbc495b0575f1ab25779a

Aliases

arxiv: 2109.05640 · arxiv_version: 2109.05640v1 · doi: 10.48550/arxiv.2109.05640 · pith_short_12: MIJ24TJ5NFNN · pith_short_16: MIJ24TJ5NFNNCLSU · pith_short_8: MIJ24TJ5

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/MIJ24TJ5NFNNCLSUIX7EWBJGXX \
  | 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: 6213ae4d3d695ad12e5445fe4b0526bdea2850176c0bbc495b0575f1ab25779a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a9bbbea696a938bdf26de5bef44ac275137551ec98d700f9bb47f5461d9ede5",
    "cross_cats_sorted": [
      "math.ST",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2021-09-12T23:55:59Z",
    "title_canon_sha256": "ff9618b31c9848c75bf47f15ebdb4b712642cda274bd87f8a593212321c9a158"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.05640",
    "kind": "arxiv",
    "version": 1
  }
}