Pith Number

pith:4GOKJT5R

pith:2026:4GOKJT5RFNJLVVWL6TAGDZLKMC

not attested not anchored not stored refs pending

Optimal Poisson subsampling for quantile regression with large-scale longitudinal data

Chunjing Li, Jiahui Zhang, Xiaohui Yuan

arxiv:2606.23363 v1 · 2026-06-22 · stat.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4GOKJT5RFNJLVVWL6TAGDZLKMC}

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	2026-06-23T03:14:17.863030Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e19ca4cfb12b52bad6cbf4c061e56a60aa2def86639e57735d7c9b460e89ad32

Aliases

arxiv: 2606.23363 · arxiv_version: 2606.23363v1 · doi: 10.48550/arxiv.2606.23363 · pith_short_12: 4GOKJT5RFNJL · pith_short_16: 4GOKJT5RFNJLVVWL · pith_short_8: 4GOKJT5R

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/4GOKJT5RFNJLVVWL6TAGDZLKMC \
  | 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: e19ca4cfb12b52bad6cbf4c061e56a60aa2def86639e57735d7c9b460e89ad32

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3fddab77ed21fa78d62c0e3a2e4e7fc237604845e390808090701194473d7965",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.CO",
    "submitted_at": "2026-06-22T14:00:11Z",
    "title_canon_sha256": "2d01f7061fe6da6cb4cb3050f891563a3c274d3cfc2315bffaf8ad403a602d51"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.23363",
    "kind": "arxiv",
    "version": 1
  }
}