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| Decision field | Open accessKnitting Stitch LibraryGlobalRemove | Open accessGOTS Certified SuppliersGlobalRemove | Free + paidPattern TestersGlobalRemove | Open accessConstruction Classification & Callout Verification RecordGlobalRemove |
|---|---|---|---|---|
| Decision fit | ||||
| Primary job | Learn techniques | Check standards | Find patterns & fit | Source production |
| Area | Techniques & repair | Materials | Patterns & fit | Production |
| Best for | Learning or comparing knit structures | Checking GOTS certification records | Coordinating an independent sewing-pattern test | Using construction codes without treating classification as a machine setting, material assignment, supplier translation, or performance guarantee |
| Know before using | A foundational library, not yet an exhaustive stitch encyclopedia. | A company result is not a blanket approval; confirm the certificate scope, validity, facility, process, product, and transaction documentation for the exact purchase. | The interface and plan description do not prove tester reach, completion, feedback quality, fit validity, export quality, uptime, support, or suitability for an established release process. Measurements and photos can be sensitive personal data. Run a non-critical pilot, review the current privacy and service terms, define consent and photo rights, test exports and deletion, and keep pattern approval and release responsibility with the designer. | The record does not reproduce licensed code diagrams, verify a user's proposed code, authorize an ISO and ASTM crosswalk, select a construction, set stitch density or machine settings, prove supplier repeatability or performance, or replace the licensed standards and qualified construction, sewing, production, testing, safety, and quality review. |
| Practical access | ||||
| For | Makers | Apparel brands | Apparel brands | Apparel brands |
| Location or jurisdiction | Global | Global | Global | Global |
| Access | Open access | Open access | Free + paid | Open access |
| Format | Stitch Authority | Directory | Software | Stitch Authority |
| Source type | Stitch Authority | Official registry | First-party platform | Stitch Authority |
| Source and review | ||||
| What the source establishes | The linked tool or guide is maintained inside Stitch Authority and was checked against its current public interface. | The official GOTS search exposes certified entities by country, field of operation, product category, and certification detail, including processing and trading scopes. | Pattern Testers currently offers application intake, tester selection, feedback, photos, approvals, issue tracking, revisions, a reusable tester directory, and release deadlines. The public pricing page shows a limited free plan and paid Pro and Business tiers. Its June 2026 privacy policy lists names, email addresses, measurements, photos, feedback, application history, and assignments among the data processed. | The guide cites the current public scopes and statuses of ISO 4915:1991, ISO 4916:1991, and ASTM D6193-16(2025), plus current seam-failure and seam-tensile methods; it keeps classification, translation, complete process definition, physical verification, and performance evidence separate. |
| Linked page reviewed | Jul 15, 2026 | Jul 15, 2026 | Jul 21, 2026 | Jul 16, 2026 |
| Next review due | Jul 15, 2027 | Oct 13, 2026 | Jan 17, 2027 | Jul 16, 2027 |
| Inspect | ||||
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