Pith Number

pith:EWY3DE3E

pith:2025:EWY3DE3EQFWWTAU663ZAQEHK2J

not attested not anchored not stored refs pending

Nuisance parameters and elliptically symmetric distributions: a geometric approach to parametric and semiparametric efficiency

Esa Ollila, Jean-Pierre Delmas, Stefano Fortunati

arxiv:2506.23213 v4 · 2025-06-29 · math.ST · eess.SP · 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{EWY3DE3EQFWWTAU663ZAQEHK2J}

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.

Cited by

1 paper in Pith

The Symmetric Location Problem: a Song of Efficiency and Robustness

Receipt and verification

First computed	2026-06-05T01:15:14.565950Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25b1b19364816d69829ef6f20810ead2546838b22b262e48d580862627050388

Aliases

arxiv: 2506.23213 · arxiv_version: 2506.23213v4 · doi: 10.48550/arxiv.2506.23213 · pith_short_12: EWY3DE3EQFWW · pith_short_16: EWY3DE3EQFWWTAU6 · pith_short_8: EWY3DE3E

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/EWY3DE3EQFWWTAU663ZAQEHK2J \
  | 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: 25b1b19364816d69829ef6f20810ead2546838b22b262e48d580862627050388

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4367a6c0e13c536838dadcfa13a33714baa23ccc87501dd8962065716298affa",
    "cross_cats_sorted": [
      "eess.SP",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2025-06-29T12:50:21Z",
    "title_canon_sha256": "da5062434cb2ec8783a4207cc60c1523b2f5e0e55c549d8ebb5c0cdde4485762"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.23213",
    "kind": "arxiv",
    "version": 4
  }
}