pith. sign in
Pith Number

pith:EWXHR76O

pith:2011:EWXHR76O67AFFFK55BSRLEU4TO
not attested not anchored not stored refs pending

Iterative bias reduction multivariate smoothing in R: The ibr package

E. Matzner-L{\o}ber, N. Hengartner, P. A. Cornillon

arxiv:1105.3605 v1 · 2011-05-18 · stat.CO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{EWXHR76O67AFFFK55BSRLEU4TO}

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 2026-05-18T04:21:52.290258Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

25ae78ffcef7c052955de86515929c9b9455ab4a1b1049a1977d54fa9aa4b029

Aliases

arxiv: 1105.3605 · arxiv_version: 1105.3605v1 · doi: 10.48550/arxiv.1105.3605 · pith_short_12: EWXHR76O67AF · pith_short_16: EWXHR76O67AFFFK5 · pith_short_8: EWXHR76O
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/EWXHR76O67AFFFK55BSRLEU4TO \
  | 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: 25ae78ffcef7c052955de86515929c9b9455ab4a1b1049a1977d54fa9aa4b029
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "5df9575d0e6f5d9ddebbc4cf2f7b3108174b9c9b4fd6a0db4807c2b5c86260ed",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.CO",
    "submitted_at": "2011-05-18T12:33:48Z",
    "title_canon_sha256": "379118c495b9be27b9cb01e7dbdd21fa14598f484b64c0131fa3c3e6300cc4fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.3605",
    "kind": "arxiv",
    "version": 1
  }
}