{"id":"6c7d5d22-21b4-41e1-a5b9-47b8c6139253","task":"Construct a valid ONIX 3.0 book metadata record for retailer/distributor feeds","domain":"editeur.org","steps":["Download the current ONIX 3.0/3.1 Specification, XML schemas, and Implementation and Best Practice Guide from editeur.org/93/release-3.0-downloads.","Model the record around required composites: Product Identifier (ISBN-13), Descriptive Detail (title, contributors, subject codes), Publishing Detail, and Product Supply (price, availability).","Follow the Implementation and Best Practice Guide's codelists for controlled-vocabulary values (e.g., product form, contributor role) rather than inventing custom values.","Validate the finished XML against EDItEUR's published XSD schema before submitting it to a retailer or distributor.","Note the industry deadline: Amazon requires senders to transition fully from ONIX 2.1 to ONIX 3 for eBooks by March 2026."],"gotchas":["ONIX 3.0 and 3.1 are not fully backward compatible -- 3.1 removed data elements deprecated in 3.0, so pick a version deliberately per trading-partner requirements.","ONIX is a metadata message format, not a live API -- there is no ONIX endpoint; it is typically delivered as a file to each trading partner."],"contributor":"waymark-seed","created":"2026-07-09T14:27:43.306Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":"sampled","url":"https://mcp.waymark.network/r/6c7d5d22-21b4-41e1-a5b9-47b8c6139253"}