Pith Number

pith:EJGXZ26W

pith:2025:EJGXZ26WNY62OAIFGWXOJTI5MR

not attested not anchored not stored refs pending

TPV: Parameter Perturbations Through the Lens of Test Prediction Variance

Devansh Arpit

arxiv:2512.11089 v4 · 2025-12-11 · stat.ML · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EJGXZ26WNY62OAIFGWXOJTI5MR}

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	2026-05-20T00:04:18.633371Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

224d7cebd66e3da7010535aee4cd1d647df8b40b68bc82ea21ce15c19d918543

Aliases

arxiv: 2512.11089 · arxiv_version: 2512.11089v4 · doi: 10.48550/arxiv.2512.11089 · pith_short_12: EJGXZ26WNY62 · pith_short_16: EJGXZ26WNY62OAIF · pith_short_8: EJGXZ26W

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/EJGXZ26WNY62OAIFGWXOJTI5MR \
  | 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: 224d7cebd66e3da7010535aee4cd1d647df8b40b68bc82ea21ce15c19d918543

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6f55652526adb345957bc1ef7c2df0e06448be232723e1eb08e5e3dbcce28ea2",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2025-12-11T20:04:33Z",
    "title_canon_sha256": "d4d899a5adffe4bb6788444d2a2e3239c65116ed0d7a9be7fb290e9dec85e32a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2512.11089",
    "kind": "arxiv",
    "version": 4
  }
}