Pith Number

pith:FZ46ZU77

pith:2017:FZ46ZU774OK6DKLUBEWUW7VM2N

not attested not anchored not stored refs pending

Statistical Inference on Panel Data Models: A Kernel Ridge Regression Method

Ruiqi Liu, Shunan Zhao, Zuofeng Shang

arxiv:1703.03031 v1 · 2017-03-08 · 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{FZ46ZU774OK6DKLUBEWUW7VM2N}

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	2026-05-18T00:49:01.804910Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e79ecd3ffe395e1a974092d4b7eacd37be253488d6ab86d4bf00cac08c1df3a

Aliases

arxiv: 1703.03031 · arxiv_version: 1703.03031v1 · doi: 10.48550/arxiv.1703.03031 · pith_short_12: FZ46ZU774OK6 · pith_short_16: FZ46ZU774OK6DKLU · pith_short_8: FZ46ZU77

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/FZ46ZU774OK6DKLUBEWUW7VM2N \
  | 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: 2e79ecd3ffe395e1a974092d4b7eacd37be253488d6ab86d4bf00cac08c1df3a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a24439559877b093ee1ea1710015e6d772e41298c88a55a95caa7dde06be17bb",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2017-03-08T21:03:22Z",
    "title_canon_sha256": "3a85fa1cd2fce609e899ec083cb2fb32e5365cee0cd2c64cb8ee4cbd27b92959"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.03031",
    "kind": "arxiv",
    "version": 1
  }
}