Pith Number

pith:COPGZ3ZI

pith:2020:COPGZ3ZIE4NRIC74JBZCTI3HSE

not attested not anchored not stored refs pending

AutoAlpha: an Efficient Hierarchical Evolutionary Algorithm for Mining Alpha Factors in Quantitative Investment

Jian Li, Tianping Zhang, Yifei Jin, Yuanqi Li

arxiv:2002.08245 v2 · 2020-02-09 · q-fin.CP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{COPGZ3ZIE4NRIC74JBZCTI3HSE}

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.

Cited by

5 papers in Pith

AlphaMemo: Structured Search-Process Memory for Self-Evolving Alpha Mining Agents

AlphaSAGE: Structure-Aware Alpha Mining via GFlowNets for Robust Exploration

From Feedback Loops to Policy Updates: Reinforcement Fine-Tuning for LLM-Based Alpha Factor Discovery

Cognitive Alpha Mining via LLM-Driven Code-Based Evolution

FactorEngine: A Program-level Knowledge-Infused Factor Mining Framework for Quantitative Investment

Receipt and verification

First computed	2026-07-05T00:52:37.152488Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

139e6cef28271b140bfc487229a367911f0be29e0e61af2db8149448731c5326

Aliases

arxiv: 2002.08245 · arxiv_version: 2002.08245v2 · doi: 10.48550/arxiv.2002.08245 · pith_short_12: COPGZ3ZIE4NR · pith_short_16: COPGZ3ZIE4NRIC74 · pith_short_8: COPGZ3ZI

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/COPGZ3ZIE4NRIC74JBZCTI3HSE \
  | 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: 139e6cef28271b140bfc487229a367911f0be29e0e61af2db8149448731c5326

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "19cd662f57f3d63abf1a2ea5c1dc87092b7d97b506834e127279a7da56a0ef69",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.CP",
    "submitted_at": "2020-02-09T02:26:05Z",
    "title_canon_sha256": "0a133084f2f99c92d5642fd4b49796ec91e9b7ade657331ab22b5d145e1419a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.08245",
    "kind": "arxiv",
    "version": 2
  }
}