{"id":51007687,"url":"https://github.com/apirogov/tilezz-ratdb","last_synced_at":"2026-06-20T22:30:20.183Z","repository":{"id":362381200,"uuid":"1258769648","full_name":"apirogov/tilezz-ratdb","owner":"apirogov","description":"RatDB: rat polygon datasets (DAFSA block format) served to the tilezz web explorer; one dataset per branch","archived":false,"fork":false,"pushed_at":"2026-06-03T23:43:54.000Z","size":9099,"stargazers_count":0,"open_issues_count":0,"forks_count":0,"subscribers_count":0,"default_branch":"main","last_synced_at":"2026-06-04T02:07:46.011Z","etag":null,"topics":[],"latest_commit_sha":null,"homepage":null,"language":null,"has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"cc-by-sa-4.0","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/apirogov.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":"LICENSE","code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null,"zenodo":null,"notice":null,"maintainers":null,"copyright":null,"agents":null,"dco":null,"cla":null}},"created_at":"2026-06-03T22:46:32.000Z","updated_at":"2026-06-03T23:43:58.000Z","dependencies_parsed_at":null,"dependency_job_id":null,"html_url":"https://github.com/apirogov/tilezz-ratdb","commit_stats":null,"previous_names":["apirogov/tilezz-ratdb"],"tags_count":null,"template":false,"template_full_name":null,"purl":"pkg:github/apirogov/tilezz-ratdb","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/apirogov%2Ftilezz-ratdb","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/apirogov%2Ftilezz-ratdb/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/apirogov%2Ftilezz-ratdb/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/apirogov%2Ftilezz-ratdb/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/apirogov","download_url":"https://codeload.github.com/apirogov/tilezz-ratdb/tar.gz/refs/heads/main","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/apirogov%2Ftilezz-ratdb/sbom","scorecard":null,"host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":286080680,"owners_count":34587988,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2026-05-26T15:22:16.424Z","status":"online","status_checked_at":"2026-06-20T02:00:06.407Z","response_time":98,"last_error":null,"robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":true,"can_crawl_api":true,"host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":[],"created_at":"2026-06-20T22:30:18.279Z","updated_at":"2026-06-20T22:30:20.176Z","avatar_url":"https://github.com/apirogov.png","language":null,"funding_links":[],"categories":[],"sub_categories":[],"readme":"# tilezz-ratdb\n\nRat polygon datasets (\"RatDB\") for the [tilezz](https://github.com/apirogov/tilezz)\nweb explorer, stored in the tilezz-rat-dafsa-blocks format.\n\n## Layout\n\nOne dataset per orphan branch; `main` only holds this index. Each\ndataset branch is a self-describing RO-Crate 1.2 asset: manifest\n(`block_index.json`), `ro-crate-metadata.json`, schemas, tools,\nREADME, and the content-addressed `blocks/\u003csha256\u003e.bin` files.\n\nThe explorer fetches blocks lazily via\n`https://raw.githubusercontent.com/apirogov/tilezz-ratdb/\u003ccommit\u003e/blocks/\u003csha256\u003e.bin`,\npinned to a commit so the served bytes are immutable.\n\n## Datasets\n\n| branch | dataset | sequences | source commit |\n|---|---|---|---|\n| `zz4-n32-free` | ZZ4, perimeter \u003c= 32, free (OEIS A266549) | 435646127 | `dd4fd140969d82adddc54331d4d652c1f72d45a6` |\n| `zz8-n20-free` | ZZ8, perimeter \u003c= 20, free (OEIS A316198) | 2940554725 | `aea0104980c8742d828060ec03437c64b72afa18` |\n| `zz6-n24-free` | ZZ6, perimeter \u003c= 24, free (OEIS A284869) | 7099803810 | `aea0104980c8742d828060ec03437c64b72afa18` |\n| `zz10-n18-free` | ZZ10, perimeter \u003c= 18, free (OEIS A316200) | 2875831850 | `aea0104980c8742d828060ec03437c64b72afa18` |\n| `zz12-n16-free` | ZZ12, perimeter \u003c= 16, free (OEIS A316192) | 1696726440 | `aea0104980c8742d828060ec03437c64b72afa18` |\n| `zz3-n39-free` | ZZ3 (ZZ6 step-2 subring), perimeter \u003c= 39, free | 730680086 | `7b63a8895289033f229fb1e05815d1948f23983e` |\n| `zz5-n25-free` | ZZ5 (ZZ10 step-2 subring), perimeter \u003c= 25, free | 1699394169 | `7b63a8895289033f229fb1e05815d1948f23983e` |\n| `zz7-n21-free` | ZZ7 (ZZ14 step-2 subring), perimeter \u003c= 21, free | 1116823845 | `3cdd7eca1425f25769042ed0eb2274f97db6de40` |\n| `zz9-n18-free` | ZZ9 (ZZ18 step-2 subring), perimeter \u003c= 18, free | 503397962 | `3cdd7eca1425f25769042ed0eb2274f97db6de40` |\n\n## License\n\nAll datasets: CC-BY-SA 4.0 (see each branch's README for the full\nnotice). Produced by [tilezz](https://github.com/apirogov/tilezz).\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fapirogov%2Ftilezz-ratdb","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fapirogov%2Ftilezz-ratdb","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fapirogov%2Ftilezz-ratdb/lists"}