Pith Number

pith:S2EVC4LI

pith:2011:S2EVC4LIMQKBZLSEIBU62XC7IJ

not attested not anchored not stored refs pending

M-estimators for Isotonic Regression

Enrique E. \'Alvarez, V\'ictor J. Yohai

arxiv:1105.5065 v1 · 2011-05-25 · stat.ME · 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{S2EVC4LIMQKBZLSEIBU62XC7IJ}

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	2026-05-18T04:21:20.862589Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

968951716864141cae444069ed5c5f425c467673a7005134adbf8666fd751670

Aliases

arxiv: 1105.5065 · arxiv_version: 1105.5065v1 · doi: 10.48550/arxiv.1105.5065 · pith_short_12: S2EVC4LIMQKB · pith_short_16: S2EVC4LIMQKBZLSE · pith_short_8: S2EVC4LI

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/S2EVC4LIMQKBZLSEIBU62XC7IJ \
  | 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: 968951716864141cae444069ed5c5f425c467673a7005134adbf8666fd751670

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "354583a5e771092404aaef3e063f97fd13f2af6757e41e883a37f96bbdc32f93",
    "cross_cats_sorted": [
      "math.ST",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2011-05-25T15:36:42Z",
    "title_canon_sha256": "4cfa75ccc04d42de1fd6ff81af13b2a3d991dc28d87677c10ba8de034e02c14f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.5065",
    "kind": "arxiv",
    "version": 1
  }
}