Pith Number

pith:2AKM7BM2

pith:2020:2AKM7BM2CDGP7G7P3WZBUO5XFD

not attested not anchored not stored refs pending

Censored Quantile Regression Forest

Alexander Hanbo Li, Jelena Bradic

arxiv:2001.03458 v1 · 2020-01-08 · stat.ML · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2AKM7BM2CDGP7G7P3WZBUO5XFD}

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	2026-07-05T00:32:44.240077Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d014cf859a10ccff9befddb21a3bb728e6c110c47599bc31298bbde315c383db

Aliases

arxiv: 2001.03458 · arxiv_version: 2001.03458v1 · doi: 10.48550/arxiv.2001.03458 · pith_short_12: 2AKM7BM2CDGP · pith_short_16: 2AKM7BM2CDGP7G7P · pith_short_8: 2AKM7BM2

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/2AKM7BM2CDGP7G7P3WZBUO5XFD \
  | 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: d014cf859a10ccff9befddb21a3bb728e6c110c47599bc31298bbde315c383db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "245b3b75a9e96ae9299832ec16f3851bab1a09b8b1768e8556f59131a5628098",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2020-01-08T23:20:23Z",
    "title_canon_sha256": "c7e7921d41d0563bc1f96c3991276a25d12737fd0e0fd5f8059e15d07d48b8a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.03458",
    "kind": "arxiv",
    "version": 1
  }
}