Pith Number

pith:WUXGZEZ2

pith:2011:WUXGZEZ2BPHGP7M5I55VTVFEU7

not attested not anchored not stored refs pending

The Empirical Edgeworth Expansion for a Studentized Trimmed Mean

Nadezhda Gribkova, Roelof Helmers

arxiv:1106.2219 v2 · 2011-06-11 · math.ST · math.PR · 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{WUXGZEZ2BPHGP7M5I55VTVFEU7}

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	2026-05-18T04:19:21.486835Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b52e6c933a0bce67fd9d477b59d4a4a7eb9b3cbbba19ab9564b1949f0f2d4633

Aliases

arxiv: 1106.2219 · arxiv_version: 1106.2219v2 · doi: 10.48550/arxiv.1106.2219 · pith_short_12: WUXGZEZ2BPHG · pith_short_16: WUXGZEZ2BPHGP7M5 · pith_short_8: WUXGZEZ2

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/WUXGZEZ2BPHGP7M5I55VTVFEU7 \
  | 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: b52e6c933a0bce67fd9d477b59d4a4a7eb9b3cbbba19ab9564b1949f0f2d4633

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74c5af1418c35263beaad57bb9085ab978410a66f13bfb3685e66625d45f2da8",
    "cross_cats_sorted": [
      "math.PR",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2011-06-11T08:24:52Z",
    "title_canon_sha256": "18d13e6bfd815a7522dba9611fa84643d556fb760917f5a4b18b890320d4b5c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.2219",
    "kind": "arxiv",
    "version": 2
  }
}