Pith Number

pith:QTEXS2XX

pith:2025:QTEXS2XXSAWQOUDHSYNC2MP5IR

not attested not anchored not stored refs pending

Weight-calibrated estimation for factor models of high-dimensional time series

Bo Zhang, Qiwei Yao, Xinghao Qiao, Zihan Wang

arxiv:2505.01357 v3 · 2025-05-02 · stat.ME · 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{QTEXS2XXSAWQOUDHSYNC2MP5IR}

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	2026-05-26T02:03:50.169884Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84c9796af7902d075067961a2d31fd444f61683e592e2985594c7ed271bc00cc

Aliases

arxiv: 2505.01357 · arxiv_version: 2505.01357v3 · doi: 10.48550/arxiv.2505.01357 · pith_short_12: QTEXS2XXSAWQ · pith_short_16: QTEXS2XXSAWQOUDH · pith_short_8: QTEXS2XX

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/QTEXS2XXSAWQOUDHSYNC2MP5IR \
  | 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: 84c9796af7902d075067961a2d31fd444f61683e592e2985594c7ed271bc00cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b69d7fe866351e1ce6a4d0c5a7523ac6e4fe29ff2c8346e5e0a6994848da8e54",
    "cross_cats_sorted": [
      "math.ST",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2025-05-02T15:52:42Z",
    "title_canon_sha256": "be8a93c3de5efc57e590880ad022ce59db32815fe55ccf9ae2ddeeaaeaced6bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.01357",
    "kind": "arxiv",
    "version": 3
  }
}