Pith Number

pith:4ZZIV2SV

pith:2018:4ZZIV2SVNT7K2WPNPNUV7BEG3E

not attested not anchored not stored refs pending

Global testing under the sparse alternatives for single index models

Jun S. Liu, Qian Lin, Zhigen Zhao

arxiv:1805.01820 v1 · 2018-05-04 · 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{4ZZIV2SVNT7K2WPNPNUV7BEG3E}

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	2026-05-18T00:16:46.592082Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6728aea556cfead59ed7b695f8486d90bf5fb5dff7ea36098152312bdc43788

Aliases

arxiv: 1805.01820 · arxiv_version: 1805.01820v1 · doi: 10.48550/arxiv.1805.01820 · pith_short_12: 4ZZIV2SVNT7K · pith_short_16: 4ZZIV2SVNT7K2WPN · pith_short_8: 4ZZIV2SV

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/4ZZIV2SVNT7K2WPNPNUV7BEG3E \
  | 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: e6728aea556cfead59ed7b695f8486d90bf5fb5dff7ea36098152312bdc43788

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57e54cb2b1bd86c4077a86a7fc52dce36be5626cdce6f0cd84585280c969ea54",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2018-05-04T15:21:59Z",
    "title_canon_sha256": "f3195cb52e827381e6ae716dc6b82997b748917b6dfa622d9e88cc3aa4ba32b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.01820",
    "kind": "arxiv",
    "version": 1
  }
}