Pith Number

pith:SUFU44MC

pith:2026:SUFU44MCP7OZTBCVPFBA3A7QN3

not attested not anchored not stored refs pending

Cross-Market Alpha: Testing Short-Term Trading Factors in the U.S. Market via Double-Selection LASSO

Alexander Walter, Jin Du, Maxim Ulrich

arxiv:2601.06499 v2 · 2026-01-10 · q-fin.ST

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SUFU44MCP7OZTBCVPFBA3A7QN3}

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	2026-05-22T01:03:53.822967Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

950b4e71827fdd99845579420d83f06ed213685fd63b40cd7f33888714eeb5ac

Aliases

arxiv: 2601.06499 · arxiv_version: 2601.06499v2 · doi: 10.48550/arxiv.2601.06499 · pith_short_12: SUFU44MCP7OZ · pith_short_16: SUFU44MCP7OZTBCV · pith_short_8: SUFU44MC

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/SUFU44MCP7OZTBCVPFBA3A7QN3 \
  | 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: 950b4e71827fdd99845579420d83f06ed213685fd63b40cd7f33888714eeb5ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f6a3a7ef16e94bd72ab59bcf2b25532367479404695af4e709e2683a9487cc7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.ST",
    "submitted_at": "2026-01-10T09:20:52Z",
    "title_canon_sha256": "c7f0c6939ae7f8d367a156b5edfa421de1fba4ebecf1d076158e22e0c971d518"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.06499",
    "kind": "arxiv",
    "version": 2
  }
}