Pith Number

pith:CVXOCK2I

pith:2019:CVXOCK2IQCD7GVLDIYS5DRAS4T

not attested not anchored not stored refs pending

Censored Quantile Regression Forests

Alexander Hanbo Li, Jelena Bradic

arxiv:1902.03327 v1 · 2019-02-08 · stat.ML · cs.LG · econ.EM · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CVXOCK2IQCD7GVLDIYS5DRAS4T}

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	2026-05-17T23:54:21.222600Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

156ee12b488087f355634625d1c412e4f77ae8b7186aa2af818fbb401795d30f

Aliases

arxiv: 1902.03327 · arxiv_version: 1902.03327v1 · doi: 10.48550/arxiv.1902.03327 · pith_short_12: CVXOCK2IQCD7 · pith_short_16: CVXOCK2IQCD7GVLD · pith_short_8: CVXOCK2I

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/CVXOCK2IQCD7GVLDIYS5DRAS4T \
  | 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: 156ee12b488087f355634625d1c412e4f77ae8b7186aa2af818fbb401795d30f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "65545d722e6c64db00d758604495fe4fde596b2c99212121c7cb86f1bb480697",
    "cross_cats_sorted": [
      "cs.LG",
      "econ.EM",
      "stat.ME"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2019-02-08T23:29:50Z",
    "title_canon_sha256": "1e0f242e387d8929317c0347c20a1325501cb384eb1ba7f6a6f6708a5c411e00"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.03327",
    "kind": "arxiv",
    "version": 1
  }
}