---
type: spec
title: Cricket OKF v0.1 — Initial Release
description: Release notes for CricketStudio OKF v0.1 (2026-06-18). First public release of the curated cricket knowledge bundle. Includes metrics, methodology, IPL player profiles, team files, venues, and the validator pipeline.
status: active
last_verified: 2026-06-22
timestamp: 2026-06-22
license: CC-BY-4.0
source_system: CricketStudio
source_boundary: methodology_only
entity_id: cricketstudio:release:v0.1
tags:
  - cricket
  - okf
  - release
---

**Released:** 2026-06-18

## What's in v0.1

### Foundations
- Repository scaffold with governance docs: README, CONSTITUTION, OPERATING_SYSTEM, LICENSE, ATTRIBUTION, DATA_LICENSE_BOUNDARIES, CHANGELOG
- Frontmatter JSON Schema (`schema/frontmatter.schema.json`) with 15 approved types, source_boundary enum, URI and date format validation
- OKF manifest (`manifest.yaml`) in Frictionless Data Package format

### Curated Content (~174 files)
- **65 IPL player profiles** — phase splits (powerplay/middle/death), pillar claims (P1–P4), H2H records, IPL career history 2007/08–2025
- **10 IPL 2026 team files** — enriched with squad, season record, H2H against all opponents
- **13 IPL venue files** — innings averages, chase win rates, toss tendency, fixture lists
- **10 metric files** — batting SR, bowling economy, death-overs economy, powerplay SR, boundary %, dot-ball %, Orange Cap, Purple Cap, bowling SR, batting average
- **6 methodology files** — sample-size floors, ranking eligibility, phase definitions, citation policy, correction policy, data refresh policy
- **3 source files** — Cricsheet CC BY 3.0, CricketStudio derived claims, licensed-feed boundaries
- **1 match file** — IPL 2026 Final
- **7 record files** — IPL all-time most runs, wickets, sixes, fifties, hundreds, highest score, most matches
- **8 research files** — State of IPL 2026, toss effect, death overs analysis
- **27 dossier files** — verified Q&A patterns for AI agents

### Validator and CI
- `scripts/validate_okf.py` — schema, provenance, URL, date, internal-link, restricted-pattern, duplicate entity_id checks
- `scripts/check_links.py` — internal link verification
- `pytest` test suite with passing and deliberately-broken fixture tests
- `.github/workflows/validate.yml` — CI on every PR

### Viewer
- Next.js 14 static-export viewer at `viewer/`
- Routes: homepage, scorebook, metrics, methodology, research, dossier, agents, about, search, `[...slug]` catch-all
- `llms.txt`, `llms-full.txt`, `ai.txt` published at `viewer/public/`

## License

- Documentation and methodology: CC-BY-4.0
- Cricsheet-derived content (IPL historical, MLC): CC BY 3.0
- Licensed-feed derived claims (IPL 2026): CC-BY-4.0 for derived claims only

## Conformance Level

Level 1 — Citable (canonical URLs and source boundaries declared). Not yet Level 2 (metric formula coverage incomplete at release time).
