Pith Number

pith:K4RLVR4A

pith:2015:K4RLVR4APQFRRWMNYS5VJYDUTN

not attested not anchored not stored refs pending

On the Ambiguity of Interaction and Nonlinear Main Effects in a Regime of Dependent Covariates

Hannes Matuschek, Reinhold Kliegl

arxiv:1512.02834 v2 · 2015-12-09 · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K4RLVR4APQFRRWMNYS5VJYDUTN}

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	2026-05-18T00:35:05.562462Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5722bac7807c0b18d98dc4bb54e0749b705049a964d83ffadc33080d9dd71629

Aliases

arxiv: 1512.02834 · arxiv_version: 1512.02834v2 · doi: 10.48550/arxiv.1512.02834 · pith_short_12: K4RLVR4APQFR · pith_short_16: K4RLVR4APQFRRWMN · pith_short_8: K4RLVR4A

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/K4RLVR4APQFRRWMNYS5VJYDUTN \
  | 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: 5722bac7807c0b18d98dc4bb54e0749b705049a964d83ffadc33080d9dd71629

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0464e4773cfb8ff7eabca2581ab9a05e41666849ef49b15613a7501fdeb4d6b7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2015-12-09T12:34:14Z",
    "title_canon_sha256": "e0010bb06be26473b88c10d1e0cc505da4ec2529239ffbfc67b763d128ddc508"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.02834",
    "kind": "arxiv",
    "version": 2
  }
}