Pith Number

pith:UB6TULYZ

pith:2026:UB6TULYZUBDNL74BYWD2HRIIAR

not attested not anchored not stored refs pending

Feature Screening for High-Dimensional Structural Break Predictive Regression

Rongmao Zhang, Wenyang Zhang, Yang Zu, Zhenjie Qin

arxiv:2606.18949 v1 · 2026-06-17 · stat.ME

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UB6TULYZUBDNL74BYWD2HRIIAR}

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	2026-06-19T16:11:52.659706Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a07d3a2f19a046d5ff81c587a3c508045b3ef7ba52f99e95713de1f05f9c23af

Aliases

arxiv: 2606.18949 · arxiv_version: 2606.18949v1 · doi: 10.48550/arxiv.2606.18949 · pith_short_12: UB6TULYZUBDN · pith_short_16: UB6TULYZUBDNL74B · pith_short_8: UB6TULYZ

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/UB6TULYZUBDNL74BYWD2HRIIAR \
  | 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: a07d3a2f19a046d5ff81c587a3c508045b3ef7ba52f99e95713de1f05f9c23af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac134ed2b8c43def2e6598f0ff7f48fcb0b45cdb7c4cada3a834bbfe55994cc0",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2026-06-17T11:32:16Z",
    "title_canon_sha256": "cc7da0e66b26a52b1812b68ce2b61d33bc836249b7cba20490741f102c9175f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.18949",
    "kind": "arxiv",
    "version": 1
  }
}