Pith Number

pith:YNMQDNAY

pith:2026:YNMQDNAY5A34NL3J4HRXXMLGGO

not attested not anchored not stored refs pending

When Alpha Disappears: A One-Switch Benchmark for Decision-Time Leakage in Financial Backtests

Fan Zhang, Sijia Peng, Yu Chen, Zhen Li

arxiv:2605.23959 v1 · 2026-05-12 · q-fin.RM · q-fin.TR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YNMQDNAY5A34NL3J4HRXXMLGGO}

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	2026-05-26T00:02:24.001500Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c35901b418e837c6af69e1e37bb16633a13e91bd36ca6da526677d7db7bb0606

Aliases

arxiv: 2605.23959 · arxiv_version: 2605.23959v1 · doi: 10.48550/arxiv.2605.23959 · pith_short_12: YNMQDNAY5A34 · pith_short_16: YNMQDNAY5A34NL3J · pith_short_8: YNMQDNAY

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/YNMQDNAY5A34NL3J4HRXXMLGGO \
  | 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: c35901b418e837c6af69e1e37bb16633a13e91bd36ca6da526677d7db7bb0606

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d9e9244febc0cc530e7af93ba5ce67175ebc637afc37f2ee66a7dd65ca3bfc0e",
    "cross_cats_sorted": [
      "q-fin.TR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.RM",
    "submitted_at": "2026-05-12T01:28:10Z",
    "title_canon_sha256": "c432bb9771b9b7889f305d27df1e35df24e3d1d5576aa91e17371c7cb66085c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.23959",
    "kind": "arxiv",
    "version": 1
  }
}