pith. sign in
Pith Number

pith:MT2XUGZW

pith:2025:MT2XUGZWIHMPTR6GZ7XBT3D5IB
not attested not anchored not stored refs pending

A novel smoothing-based goodness-of-fit test of covariance for multivariate sparse functional data

Dhrubajyoti Ghosh, Luo Xiao, Sheng Luo, Zhuolin Song

arxiv:2503.21913 v1 · 2025-03-27 · stat.ME · stat.AP

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{MT2XUGZWIHMPTR6GZ7XBT3D5IB}

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

Receipt and verification
First computed 2026-07-05T10:40:44.527404Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

64f57a1b3641d8f9c7c6cfee19ec7d4060526346e1c496fc3d307c870ba9faba

Aliases

arxiv: 2503.21913 · arxiv_version: 2503.21913v1 · doi: 10.48550/arxiv.2503.21913 · pith_short_12: MT2XUGZWIHMP · pith_short_16: MT2XUGZWIHMPTR6G · pith_short_8: MT2XUGZW
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/MT2XUGZWIHMPTR6GZ7XBT3D5IB \
  | 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: 64f57a1b3641d8f9c7c6cfee19ec7d4060526346e1c496fc3d307c870ba9faba
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "70783be6216bc7783a29c2a96c8392b3c716e5abb6f96f61c35457db6148d714",
    "cross_cats_sorted": [
      "stat.AP"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2025-03-27T18:41:42Z",
    "title_canon_sha256": "84c81c5d1926fc4f2a9cd2aa9b6cd3e49fa338697b64f3e7a093635af4f49178"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.21913",
    "kind": "arxiv",
    "version": 1
  }
}