Pith Number

pith:M3WI27XV

pith:2015:M3WI27XVKBJ5FA4SIMWJF5HQEW

not attested not anchored not stored refs pending

Optimal designs in regression with correlated errors

Anatoly Zhigljavsky, Andrey Pepelyshev, Holger Dette

arxiv:1501.01774 v2 · 2015-01-08 · 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{M3WI27XVKBJ5FA4SIMWJF5HQEW}

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	2026-05-18T02:26:29.832623Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

66ec8d7ef55053d28392432c92f4f025ab6c7fb6c15befb5b1bf9a63164d3bb6

Aliases

arxiv: 1501.01774 · arxiv_version: 1501.01774v2 · doi: 10.48550/arxiv.1501.01774 · pith_short_12: M3WI27XVKBJ5 · pith_short_16: M3WI27XVKBJ5FA4S · pith_short_8: M3WI27XV

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/M3WI27XVKBJ5FA4SIMWJF5HQEW \
  | 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: 66ec8d7ef55053d28392432c92f4f025ab6c7fb6c15befb5b1bf9a63164d3bb6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e179fa90ff106069eb727309bebe8642a3c9a20c9062e17aec91db1e0d1f5445",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2015-01-08T09:19:44Z",
    "title_canon_sha256": "333ac81eb1d240c8c54993c2664ed25a94ac125ba94351ca3c22ebbfc4e83056"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.01774",
    "kind": "arxiv",
    "version": 2
  }
}