Pith Number

pith:ZOQEYUKN

pith:2015:ZOQEYUKNUPVTVS7UOPOCVXGXKL

not attested not anchored not stored refs pending

Robust and sparse estimators for linear regression models

Ezequiel Smucler, V\'ictor J. Yohai

arxiv:1508.01967 v4 · 2015-08-08 · 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{ZOQEYUKNUPVTVS7UOPOCVXGXKL}

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	2026-05-18T01:30:00.819110Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cba04c514da3eb3acbf473dc2adcd752d772c802e37ecd0fc8d9d992a84c8961

Aliases

arxiv: 1508.01967 · arxiv_version: 1508.01967v4 · doi: 10.48550/arxiv.1508.01967 · pith_short_12: ZOQEYUKNUPVT · pith_short_16: ZOQEYUKNUPVTVS7U · pith_short_8: ZOQEYUKN

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/ZOQEYUKNUPVTVS7UOPOCVXGXKL \
  | 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: cba04c514da3eb3acbf473dc2adcd752d772c802e37ecd0fc8d9d992a84c8961

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c9e2284505f742a88082c9ebb344f9aae657a6f7b201c801e3310885dadcabe0",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2015-08-08T22:48:10Z",
    "title_canon_sha256": "1686d785ccf323c71c000e422aac75dfb30646b4d3cb4a8e96e55ce891c9bf18"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.01967",
    "kind": "arxiv",
    "version": 4
  }
}