Pith Number

pith:QKMP4LJQ

pith:2026:QKMP4LJQ2SFUUL35EMK35K43YR

not attested not anchored not stored refs pending

Temporal Leakage in LLM Backtesting: Measurement, Validation, and Adjusted Scores

Bradly C. Stadie, Zeyu Zhang

arxiv:2608.02985 v1 · 2026-08-04 · cs.LG · cs.CL · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QKMP4LJQ2SFUUL35EMK35K43YR}

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	2026-08-05T00:44:19.732597Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8298fe2d30d48b4a2f7d2315beab9bc45b4fa71bb8916aca27a14ee8afa383e8

Aliases

arxiv: 2608.02985 · arxiv_version: 2608.02985v1 · doi: 10.48550/arxiv.2608.02985 · pith_short_12: QKMP4LJQ2SFU · pith_short_16: QKMP4LJQ2SFUUL35 · pith_short_8: QKMP4LJQ

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/QKMP4LJQ2SFUUL35EMK35K43YR \
  | 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: 8298fe2d30d48b4a2f7d2315beab9bc45b4fa71bb8916aca27a14ee8afa383e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e86fe09edf6a30441804b7a546cca0e38158e8c99af0eb65444f7488af33a1e",
    "cross_cats_sorted": [
      "cs.CL",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-08-04T00:45:54Z",
    "title_canon_sha256": "f98e207eb16879a55b2d65b9c380cab127e2d33f5fe207ba33c936f1e6218b47"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.02985",
    "kind": "arxiv",
    "version": 1
  }
}