Pith Number

pith:QTINUF2A

pith:2004:QTINUF2ARZJAXSFYKFBGG5JHN7

not attested not anchored not stored refs pending

Semiparametric density estimation by local L_2-fitting

Kanta Naito

arxiv:math/0406522 v1 · 2004-06-25 · 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{QTINUF2ARZJAXSFYKFBGG5JHN7}

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	2026-07-04T15:01:54.424969Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84d0da17408e520bc8b851426375276ff24e94f4f517607e3840c1c35a63712d

Aliases

arxiv: math/0406522 · arxiv_version: math/0406522v1 · doi: 10.48550/arxiv.math/0406522 · pith_short_12: QTINUF2ARZJA · pith_short_16: QTINUF2ARZJAXSFY · pith_short_8: QTINUF2A

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/QTINUF2ARZJAXSFYKFBGG5JHN7 \
  | 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: 84d0da17408e520bc8b851426375276ff24e94f4f517607e3840c1c35a63712d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7020320e60b1ee6ce91d0533ee7750ea90f625f997047f65d4cfbcf23f8e0f84",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "",
    "primary_cat": "math.ST",
    "submitted_at": "2004-06-25T10:32:05Z",
    "title_canon_sha256": "bc095bd6e09942c5c6db017349c01c8c5a09071500b16a3bec1b2579883c927b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0406522",
    "kind": "arxiv",
    "version": 1
  }
}