Pith Number

pith:FHEGAHOD

pith:2015:FHEGAHODSN4YIJQ7QR5RV5RIRJ

not attested not anchored not stored refs pending

Heteroscedasticity Testing for Regression Models: A Dimension Reduction-based Model Adaptive

Fei Chen, Lixing Zhu, Xuehu Zhu, Xu Guo

arxiv:1510.03542 v1 · 2015-10-13 · 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{FHEGAHODSN4YIJQ7QR5RV5RIRJ}

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	2026-05-18T01:30:16.892228Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

29c8601dc3937984261f847b1af6288a5ae839e9d74f2768585b3b472f37885d

Aliases

arxiv: 1510.03542 · arxiv_version: 1510.03542v1 · doi: 10.48550/arxiv.1510.03542 · pith_short_12: FHEGAHODSN4Y · pith_short_16: FHEGAHODSN4YIJQ7 · pith_short_8: FHEGAHOD

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/FHEGAHODSN4YIJQ7QR5RV5RIRJ \
  | 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: 29c8601dc3937984261f847b1af6288a5ae839e9d74f2768585b3b472f37885d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e5f7d68a9d0f501af8a499ea77bff75c61adb1f7128b01430ca42338fc74af18",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2015-10-13T06:05:49Z",
    "title_canon_sha256": "d634e29b42f23bcfd0fca098ae67a304909d66e6c1bb110e95d385887d846f4e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.03542",
    "kind": "arxiv",
    "version": 1
  }
}