Pith Number

pith:OVAR532D

pith:2018:OVAR532DUTWQ6H5WZ5D3ZRBL7K

not attested not anchored not stored refs pending

Semiparametrically Point-Optimal Hybrid Rank Tests for Unit Roots

Bas J.M. Werker, Bo Zhou, Ramon van den Akker

arxiv:1806.09304 v1 · 2018-06-25 · econ.EM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OVAR532DUTWQ6H5WZ5D3ZRBL7K}

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	2026-07-05T01:36:06.207470Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75411eef43a4ed0f1fb6cf47bcc42bfaae3e26c31c9b6db968160abd8913f003

Aliases

arxiv: 1806.09304 · arxiv_version: 1806.09304v1 · doi: 10.48550/arxiv.1806.09304 · pith_short_12: OVAR532DUTWQ · pith_short_16: OVAR532DUTWQ6H5W · pith_short_8: OVAR532D

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/OVAR532DUTWQ6H5WZ5D3ZRBL7K \
  | 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: 75411eef43a4ed0f1fb6cf47bcc42bfaae3e26c31c9b6db968160abd8913f003

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "06d6560b1a8ba96acf91f118cb05babeb44b75f0ff8000531e5d0a697ace1f74",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "econ.EM",
    "submitted_at": "2018-06-25T07:03:48Z",
    "title_canon_sha256": "66146479d43c3d666d348dc3905d4438aa3c623a2d509ac3f712f6b82acdebf8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.09304",
    "kind": "arxiv",
    "version": 1
  }
}