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Old revisions are immutable; corrections create a new revision and preserve the previous permalink.", "entity": { "type": "project", "id": "seoul-sdot-sensors", "title": "S-DoT — Smart Seoul Data of Things Sensor Network", "canonicalUrl": "https://1001smartcities.org/projects/seoul-sdot-sensors/" }, "currentRevisionId": "2026-08-26-claim-mapping", "revisions": [ { "id": "2026-08-20-source-dates", "createdAt": "2026-08-20T19:29:52Z", "effectiveAt": "2026-07-21", "changeType": "baseline", "summary": "Created the first structured Evidence Passport with 1 claim and 3 source dossiers.", "preparedBy": { "type": "automation", "label": "AI-assisted evidence preparation", "humanApproved": false }, "review": { "status": "unreviewed", "by": null, "date": null, "note": "Awaiting operator and domain-expert review; publication of this revision implies neither." }, "changes": [ { "operation": "add", "path": "/evidencePassport", "summary": "Added claim-level evidence mapping and source dossiers." }, { "operation": "add", "path": "/revisionHistory", "summary": "Established a permanent, hash-addressed baseline revision." } ], "snapshotHash": "sha256:a92f9a6b85f473674da2722d12acefdcc3d854d990dce108db6b965f859e274e", "snapshot": { "asOf": "2026-07-21", "projectFingerprint": "sha256:2c59c33409a8847e4f045d5b5a0debbbecf20b33dd0828f52eafb5cebd2fbf93", "assurance": { "status": "unreviewed", "scope": "evidence-passport-revision", "statement": "AI-assisted structural preparation. 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Map; the IoT policy page places the network within the city's smart-city strategy.", "caveat": null, "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-0441e00399c732a9", "field": "impact", "text": "on the sampled heatwave day 89% of S-DoT stations recorded a higher daily mean temperature, on the coldwave day 91%", "statementKind": "quantitative", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-b8caf001cc45767e" ], "supportNote": "The study reports 89% of stations above the ASOS daily mean on the heatwave event day and 91% on the coldwave event day.", "caveat": null, "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-86445c92648bc757", "field": "impact", "text": "missing ratios 'at most stations fell within the range of 10-20%', reaching up to 80% in April 2021", "statementKind": "quantitative", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-b8caf001cc45767e" ], "supportNote": "The study states both the typical missing range and the April 2021 peak.", "caveat": null, "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-63ad15b237c1c6f1", "field": "impact", "text": "of the downtown stations, 25 are mounted on building walls, and the study finds that 'the sensors installed on the wall could not represent the surrounding areas', because sunlight heats the wall and the wall heats the sensor", "statementKind": "quantitative", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-b8caf001cc45767e" ], "supportNote": "The study's table of surrounding environments counts 25 of the downtown stations as wall-mounted, and the text explains the conduction mechanism behind their extreme readings.", "caveat": null, "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-ff9851d9b0f08a6a", "field": "lesson", "text": "Seoul has exactly one national reference station inside the city, and S-DoT gives it a 0.75 km grid against the 4.5 km of the national automated network", "statementKind": "quantitative", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-b8caf001cc45767e" ], "supportNote": "The study states the network's 0.75 km horizontal resolution against 4.5 km for the national automated weather system, and that there is only one ASOS station in Seoul.", "caveat": null, "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-4e79f639c3f65535", "field": "lesson", "text": "The paper's answer is not to distrust the network but to build a quality-management system for it", "statementKind": "descriptive", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-b8caf001cc45767e" ], "supportNote": "The study develops a quality-management system for the network comprising pre-processing, basic and extended quality control and spatial gap-filling.", "caveat": null, "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } } ], "sources": [ { "id": "src-a4f0bbd2409eb299", "title": "Seoul Metropolitan Government (authority)", "url": "https://english.seoul.go.kr/analysis-of-city-data-s-dot-collected-by-1100-sensors-in-seoul-is-released/", "publisher": { "name": 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"role": "claim-evidence", "claimRefs": [ "clm-0441e00399c732a9", "clm-86445c92648bc757", "clm-63ad15b237c1c6f1", "clm-ff9851d9b0f08a6a", "clm-4e79f639c3f65535" ], "temporal": { "publishedAt": "2023-02-21", "updatedAt": null, "sourceCheckedAt": null, "recordLastVerifiedAt": "2026-07-21", "dossierCreatedAt": "2026-08-26", "retrievedAt": null, "status": "publication-and-record-dates-recorded" }, "locator": { "type": "descriptive-source-note", "value": "Peer-reviewed quality-management study of the S-DoT network: 850 stations installed in 2019 and 220 in 2020, a 0.75 km horizontal resolution against 4.5 km for the national automated network, and only one ASOS station in Seoul. Carries the warm-bias percentages for the sampled heatwave and coldwave days, the missing-data ratios, and the finding on wall-mounted sensor boxes. MDPI blocks retrieval; the full text was read through the Europe PMC mirror of the same article (PMC10037411).", "exact": false }, "preservation": { "archiveUrl": null, "archivedAt": null, "contentHash": null, "status": "not-captured" } }, { "id": "src-12ddd32040876c11", "title": "Seoul Metropolitan Government IoT policy (authority)", "url": "https://world.seoul.go.kr/policy/smart-city/iot-communications-security/", "publisher": { "name": null, "domain": "world.seoul.go.kr", "classification": "not-classified" }, "sourceType": "web-page", "language": "und", "role": "claim-evidence", "claimRefs": [ "clm-65cab3bcf0a65047" ], "temporal": { "publishedAt": "2025-05-31", "updatedAt": null, "sourceCheckedAt": null, "recordLastVerifiedAt": "2026-07-21", "dossierCreatedAt": "2026-08-26", "retrievedAt": null, "status": "publication-and-record-dates-recorded" }, "locator": { "type": "descriptive-source-note", "value": "S-DoT scale and role within Seoul's smart-city IoT strategy; Open Data Plaza access.", "exact": false }, "preservation": { "archiveUrl": null, "archivedAt": null, "contentHash": null, "status": "not-captured" } } ], "coverage": { "claimsTotal": 7, "claimsMapped": 7, "sourcesTotal": 3, "sourcesUsedByClaims": 3, "sourcesWithPublicationDate": 3, "sourcesWithArchive": 0, "sourcesWithExactLocator": 0, "sourcesWithContentHash": 0 }, "limits": [ "Publisher names and source languages have not yet been classified; domains are recorded without guessing.", "Existing source notes are descriptive locators, not page- or paragraph-exact citations.", "A missing archive, publication date or content hash is shown as null rather than inferred.", "The project-level evidence grade ranks the strongest source in the entry; it is not a truth score for every claim." ] } } ] }