Pith Number

pith:YYQPFJVX

pith:2026:YYQPFJVXPXFS3B2DFCWVZJAZTU

not attested not anchored not stored refs pending

Efficient Federated Estimation and Inference for High-Dimensional Tail Index Regression

Changliang Zou, Haoyu Geng, Liuhua Peng, Xiaolong Cui

arxiv:2606.03154 v1 · 2026-06-02 · 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{YYQPFJVXPXFS3B2DFCWVZJAZTU}

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	2026-06-03T01:05:33.401755Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c620f2a6b77dcb2d874328ad5ca4199d31d42b7e502215f0afa8a1e8211721bb

Aliases

arxiv: 2606.03154 · arxiv_version: 2606.03154v1 · doi: 10.48550/arxiv.2606.03154 · pith_short_12: YYQPFJVXPXFS · pith_short_16: YYQPFJVXPXFS3B2D · pith_short_8: YYQPFJVX

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/YYQPFJVXPXFS3B2DFCWVZJAZTU \
  | 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: c620f2a6b77dcb2d874328ad5ca4199d31d42b7e502215f0afa8a1e8211721bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c1c0bcf6b44ecf77fbda8b4c29a9cf7eb2b148e2a7ffa7f6969e1adfb721ebda",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2026-06-02T05:03:05Z",
    "title_canon_sha256": "e76a5863c068f89a69d0b3c80186b5dc95a5821ba0649368c96983152b2f2660"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.03154",
    "kind": "arxiv",
    "version": 1
  }
}