Pith Number

pith:K2UJGMG5

pith:2017:K2UJGMG5X2NIZGQJ2DLOCJWVOH

not attested not anchored not stored refs pending

Advanced Algorithms for Penalized Quantile and Composite Quantile Regression

Bei Jiang, Di Niu, Jueyu Gao, Linglong Kong, Matthew Pietrosanu

arxiv:1709.04126 v2 · 2017-09-13 · stat.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K2UJGMG5X2NIZGQJ2DLOCJWVOH}

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	2026-07-05T01:13:40.679653Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56a89330ddbe9a8c9a09d0d6e126d571fc18c3f194c94c151d8144f4c67c2f69

Aliases

arxiv: 1709.04126 · arxiv_version: 1709.04126v2 · doi: 10.48550/arxiv.1709.04126 · pith_short_12: K2UJGMG5X2NI · pith_short_16: K2UJGMG5X2NIZGQJ · pith_short_8: K2UJGMG5

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/K2UJGMG5X2NIZGQJ2DLOCJWVOH \
  | 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: 56a89330ddbe9a8c9a09d0d6e126d571fc18c3f194c94c151d8144f4c67c2f69

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "61877493e3daffb3204ee89067078d7d7f126eff1ca892383c22cd38d3cb4dfb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.CO",
    "submitted_at": "2017-09-13T03:38:33Z",
    "title_canon_sha256": "c9a391cf041aa50f65d22646a478ca8c67dcef89ddae752ee95f4ecdb9787c90"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.04126",
    "kind": "arxiv",
    "version": 2
  }
}