Pith Number

pith:IM2GNJ7I

pith:2018:IM2GNJ7IOFYN5QJ57XKJIESSMS

not attested not anchored not stored refs pending

Testing heteroscedasticity for regression models based on projections

Falong Tan, Lixing Zhu, Xuejun Jiang, Xu Guo

arxiv:1808.02671 v1 · 2018-08-08 · 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{IM2GNJ7IOFYN5QJ57XKJIESSMS}

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	2026-05-18T00:08:34.654250Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

433466a7e87170dec13dfdd494125264967fa56d2dc6eb703cb8ebed899cea7a

Aliases

arxiv: 1808.02671 · arxiv_version: 1808.02671v1 · doi: 10.48550/arxiv.1808.02671 · pith_short_12: IM2GNJ7IOFYN · pith_short_16: IM2GNJ7IOFYN5QJ5 · pith_short_8: IM2GNJ7I

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/IM2GNJ7IOFYN5QJ57XKJIESSMS \
  | 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: 433466a7e87170dec13dfdd494125264967fa56d2dc6eb703cb8ebed899cea7a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a7c0b43339929e39cb342aa57c272ee60158c1535a71262568c1b6e54a50cc4c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2018-08-08T08:47:50Z",
    "title_canon_sha256": "f964837d3c3487f11302516c950dd821bfd52ff4ee472b5029e57454ba4543ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.02671",
    "kind": "arxiv",
    "version": 1
  }
}