{ "verifiedAtUtc": "2026-10-14", "sources": [ { "environmentId": "street", "pageUrl": "https://commons.wikimedia.org/wiki/File:Sunday_in_the_city_street_noise2.ogg", "directUrl": "https://upload.wikimedia.org/wikipedia/commons/2/24/Sunday_in_the_city_street_noise2.ogg", "creator": "cori (Cori Samuel)", "license": "Public domain (PD-author)", "licenseUrl": "https://commons.wikimedia.org/wiki/Template:PD-author", "verification": "Primary Commons API metadata verified during source preparation (preserved commons-license-audit.json); primary cafe/rain pages re-read 2026-10-14.", "alternateUsed": false }, { "environmentId": "mall", "pageUrl": "https://commons.wikimedia.org/wiki/File:1_minute_at_the_alexa_mall_in_berlin.ogg", "directUrl": "https://upload.wikimedia.org/wikipedia/commons/f/fd/1_minute_at_the_alexa_mall_in_berlin.ogg", "creator": "thore (Thore)", "license": "Public domain (PD-author)", "licenseUrl": "https://commons.wikimedia.org/wiki/Template:PD-author", "verification": "Primary Commons API metadata verified during source preparation (preserved commons-license-audit.json); primary cafe/rain pages re-read 2026-10-14.", "alternateUsed": false }, { "environmentId": "theater", "pageUrl": "https://freesound.org/people/ElevatorFan2020/sounds/853576/", "directUrl": "https://cdn.freesound.org/previews/853/853576_14269391-lq.mp3", "creator": "ElevatorFan2020", "license": "CC0 1.0 Universal", "licenseUrl": "https://creativecommons.org/publicdomain/zero/1.0/", "verification": "Freesound primary page re-read 2026-10-14: creator, authentic field recording description and Creative Commons 0 link confirmed. Download is the specified preview MP3.", "alternateUsed": false }, { "environmentId": "department", "pageUrl": "https://freesound.org/people/icmusic/sounds/268941/", "directUrl": "https://cdn.freesound.org/previews/268/268941_40107-lq.mp3", "creator": "icmusic", "license": "CC0 1.0 Universal", "licenseUrl": "https://creativecommons.org/publicdomain/zero/1.0/", "verification": "Freesound primary page re-read 2026-10-14: creator, authentic field recording description and Creative Commons 0 link confirmed. Download is the specified preview MP3.", "alternateUsed": false }, { "environmentId": "market", "pageUrl": "https://commons.wikimedia.org/wiki/File:Italia_Palermo_mercato-Ballaro_20161225_122421.ogg", "directUrl": "https://upload.wikimedia.org/wikipedia/commons/e/e8/Italia_Palermo_mercato-Ballaro_20161225_122421.ogg", "creator": "Marie Flutre (Wikimedia user Timflutre)", "license": "CC BY-SA 4.0", "licenseUrl": "https://creativecommons.org/licenses/by-sa/4.0/", "verification": "Primary Commons API metadata verified during source preparation (preserved commons-license-audit.json); primary cafe/rain pages re-read 2026-10-14.", "alternateUsed": false }, { "environmentId": "subway", "pageUrl": "https://commons.wikimedia.org/wiki/File:TTC_Subway_Line_1_Ambience_-_Museum_to_Union_(Freesound).ogg", "directUrl": "https://upload.wikimedia.org/wikipedia/commons/d/d3/TTC_Subway_Line_1_Ambience_-_Museum_to_Union_%28Freesound%29.ogg", "creator": "PascalHD", "license": "CC BY 4.0", "licenseUrl": "https://creativecommons.org/licenses/by/4.0/", "verification": "Primary Commons API metadata verified during source preparation (preserved commons-license-audit.json); primary cafe/rain pages re-read 2026-10-14.", "alternateUsed": false }, { "environmentId": "cafe", "pageUrl": "https://commons.wikimedia.org/wiki/File:Cafe_ambiance.ogg", "directUrl": "https://upload.wikimedia.org/wikipedia/commons/5/54/Cafe_ambiance.ogg", "creator": "Marble Toast", "license": "CC0 1.0 Universal", "licenseUrl": "https://creativecommons.org/publicdomain/zero/1.0/", "verification": "Primary Commons API metadata verified during source preparation (preserved commons-license-audit.json); primary cafe/rain pages re-read 2026-10-14.", "alternateUsed": false }, { "environmentId": "rain", "pageUrl": "https://commons.wikimedia.org/wiki/File:Urban_Street_on_a_Rainy_Afternoon.flac", "directUrl": "https://upload.wikimedia.org/wikipedia/commons/8/8c/Urban_Street_on_a_Rainy_Afternoon.flac", "creator": "Extemporalist", "license": "CC0 1.0 Universal", "licenseUrl": "https://creativecommons.org/publicdomain/zero/1.0/", "verification": "Primary Commons API metadata verified during source preparation (preserved commons-license-audit.json); primary cafe/rain pages re-read 2026-10-14.", "alternateUsed": false } ], "rightsPagesReviewed": [ "https://creativecommons.org/licenses/by/4.0/", "https://creativecommons.org/licenses/by-sa/4.0/" ], "notes": "CC BY permits sharing/adaptation with attribution and change indication. CC BY-SA derivative retains same license. All eight original URLs retained. No alternate source." }