Pith Number

pith:CLHUP6QY

pith:2019:CLHUP6QYDELPQKY7FVA3LBDPSW

not attested not anchored not stored refs pending

On Least Squares Estimation under Heteroscedastic and Heavy-Tailed Errors

Arun K. Kuchibhotla, Rohit K. Patra

arxiv:1909.02088 v3 · 2019-09-04 · math.ST · cs.LG · stat.ML · 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{CLHUP6QYDELPQKY7FVA3LBDPSW}

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	2026-07-05T02:30:27.095322Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

12cf47fa181916f82b1f2d41b5846f959e86231ea12fbb60e373b73b8aa5ce2c

Aliases

arxiv: 1909.02088 · arxiv_version: 1909.02088v3 · doi: 10.48550/arxiv.1909.02088 · pith_short_12: CLHUP6QYDELP · pith_short_16: CLHUP6QYDELPQKY7 · pith_short_8: CLHUP6QY

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/CLHUP6QYDELPQKY7FVA3LBDPSW \
  | 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: 12cf47fa181916f82b1f2d41b5846f959e86231ea12fbb60e373b73b8aa5ce2c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "287bbd99aa510f4e8b520c58bcfa488a9cc1bafa85d9c3586449ad9dc9cc06bd",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2019-09-04T20:21:02Z",
    "title_canon_sha256": "6c5b6de10c9355ce02b8156412c02c8c0a6f6de8a678f8697aaed34184e074ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.02088",
    "kind": "arxiv",
    "version": 3
  }
}