Pith Number

pith:UHPFX6YL

pith:2025:UHPFX6YLLP6NXJ7CJL3AXZZ2XU

not attested not anchored not stored refs pending

R2 priors for Grouped Variance Decomposition in High-dimensional Regression

Aki Vehtari, David Kohns, Javier Enrique Aguilar, Paul-Christian B\"urkner

arxiv:2507.11833 v2 · 2025-07-16 · stat.ME · stat.AP · stat.OT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UHPFX6YLLP6NXJ7CJL3AXZZ2XU}

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	2026-07-05T11:42:55.217558Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1de5bfb0b5bfcdba7e24af60be73abd0b9ed8ea547e25a3328c86e919424b77

Aliases

arxiv: 2507.11833 · arxiv_version: 2507.11833v2 · doi: 10.48550/arxiv.2507.11833 · pith_short_12: UHPFX6YLLP6N · pith_short_16: UHPFX6YLLP6NXJ7C · pith_short_8: UHPFX6YL

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/UHPFX6YLLP6NXJ7CJL3AXZZ2XU \
  | 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: a1de5bfb0b5bfcdba7e24af60be73abd0b9ed8ea547e25a3328c86e919424b77

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c091520043548cd5b7c3b4040f80319cddc9acf2bb1f3f767fe2a34a89c7fe17",
    "cross_cats_sorted": [
      "stat.AP",
      "stat.OT"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2025-07-16T01:40:56Z",
    "title_canon_sha256": "b51bb3ddcb0b07e7c3164c18736f4b27b3e15340ad8ccc6642189b44ac9a5196"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.11833",
    "kind": "arxiv",
    "version": 2
  }
}