{ "schemaVersion": "1.0.0", "constitutionVersion": "1.0.0", "createdAt": "2026-08-12T00:00:00Z", "description": "Append-only Evidence Passport records. Old revisions are immutable; corrections create a new revision and preserve the previous permalink.", "entity": { "type": "project", "id": "tartu-led-street-lighting", "title": "LED Street Lighting: A Slow District Plan, Then One Big Procurement", "canonicalUrl": "https://1001smartcities.org/projects/tartu-led-street-lighting/" }, "currentRevisionId": "2026-08-28-tartu-baseline", "revisions": [ { "id": "2026-08-28-tartu-baseline", "createdAt": "2026-08-28T04:50:00Z", "effectiveAt": "2026-08-28", "changeType": "baseline", "summary": "Created the first structured Evidence Passport with 15 claims and 10 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:da17596b6a3e5bfc237b0c58ebdf1be23a0c8c67012373fa680bb0aed63a068b", "snapshot": { "asOf": "2026-08-28", "projectFingerprint": "sha256:9e88db58f741052dce01948eee15f8a3bd166621b45caecd19f4961cdd8f3508", "assurance": { "status": "unreviewed", "scope": "evidence-passport-revision", "statement": "AI-assisted structural preparation. This revision has not been reviewed by a human or subject-matter expert.", "machineChecks": [ "schema", "publication-diff-contract", "material-project-fingerprint", "claim-text-drift", "source-reference-resolution", "complete-source-dossier", "snapshot-hash" ] }, "projectState": { "status": "live", "outcome": "ongoing", "evidenceGrade": "official", "timeline": { "started": 2015, "ended": null } }, "governance": { "operator": "Tartu city government (linnamajanduse osakond); network maintenance contracted to EST Networks OÜ under a 2022 contract running to the end of 2025", "actorTypes": [ "city-government" ], "fundingModel": "mixed", "fundingDescription": "City budget; Environmental Investment Centre (KIK) grants for district reconstructions; EU Horizon 2020 for the SmartEnCity pilot", "cost": "≈€2.56M for the 2022 mass replacement contract alone; the 2017 centre pilot cost €112,452", "ownership": null, "decisionRights": null, "exitConditions": null }, "claims": [ { "id": "clm-311d95825a4541cf", "field": "snippet", "text": "Tartu lit its streets with 11,547 mostly sodium lamps in 2014", "statementKind": "quantitative", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-76e0b801f4ba818e", "src-38c9bdeadd8caf6e" ], "supportNote": "The city page states that in 2014 Tartu had 321 km of lit streets with 11,547 lamps, of which 10,620 were HPS and 295 HID sodium-family lamps against 632 LEDs — 'mida valgustas 11 547 lampi. ... 10 620 olid HPS-valgustid, millele lisandus 295 HID-valgustit ja 632 LED-valgustit.' Table 5.11 of the climate plan carries the same 11,547 total for 2014.", "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-b34621f0552d993c", "field": "snippet", "text": "resolved in 2015 to convert the whole stock to LED within nine years, one district at a time", "statementKind": "quantitative", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-76e0b801f4ba818e" ], "supportNote": "Verbatim: 'Tartu linnavalitsus võtab eesmärgiks järgmise üheksa aasta jooksul asendada kõik allesjäänud HPS- ja HID-valgustid LED-valgustitega' and 'Järgneva üheksa aasta jooksul asendatakse igal aastal ühe piirkonna kõik valgustid' — the city is divided into nine lighting districts, one replaced per year. The passage sits in the section on 2015, which also records 600 of the highest-wattage HPS lamps replaced that year.", "caveat": "The page carrying the plan was last modified in December 2020; the plan text itself dates from the 2015-16 planning round.", "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-4913bb8c726f9e72", "field": "snippet", "text": "Under the EU SmartEnCity project the city fitted 320 centre-city luminaires with Cityntel radio controllers for remote switching and dimming in 2017", "statementKind": "quantitative", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-8de048efc139340e", "src-e594a917c8c176c8", "src-d1d0b564373ec1e4" ], "supportNote": "The July 2017 release announces the procurement — 'replacing the existing 320 sodium lights within the city centre area of Tartu with energy efficient LED lighting, within the framework of the SmartEnCity project' and 'Cityntel OÜ will install management controllers inside of all lighting fixtures, which will allow for the remote organisation of the operation of the lighting (switching on-off, dimming)'. The January 2018 Tark Tartu report describes the works as delivered: 'Kõikidesse valgustitesse paigaldas Cityntel OÜ juhtimiskontrollerid'. The consortium factsheet records 322 controllers produced by Cityntel.", "caveat": "Completion was reported on 8 January 2018, so the last works may have run into the first days of 2018; the controllers use a wireless mesh, described in city materials as radio control.", "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-c51d009f757e9fdf", "field": "snippet", "text": "the city's climate inventory counted 21.9 per cent LED in 2019", "statementKind": "quantitative", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-38c9bdeadd8caf6e" ], "supportNote": "Table 5.11 of Tartu Energia 2030: 2019 — 3,062 LED luminaires, 10,942 non-LED, 14,004 in total, LED share 21.90%.", "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-84fd65008470aafb", "field": "snippet", "text": "A single procurement in December 2022 then bought the rest of the conversion, 7,255 luminaires for 2.56 million euros", "statementKind": "quantitative", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-51e839b42ea707eb" ], "supportNote": "Verbatim: 'Kokku vahetatakse välja 7255 valgustit, millega saab uuendatud enamik Tartu tänavavalgustusest. Tööde kogumaksumus on 2 561 261 eurot.' The release of 7 December 2022 names the three lots (2,100, 2,125 and 3,030 luminaires) and the winning contractors Enersense AS and Leonhard Weiss OÜ with Kagu Elekter OÜ.", "caveat": "The prose rounds the contract total of 2,561,261 euros to 2.56 million. 'The rest of the conversion' is the release's own framing ('enamik Tartu tänavavalgustusest' — most of Tartu's street lighting); completion of the works was not separately announced in any source reachable for this review.", "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-875ea4ca7d33091b", "field": "snippet", "text": "a target of roughly 90 per cent LED by the end of 2023", "statementKind": "quantitative", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-51e839b42ea707eb" ], "supportNote": "Deputy mayor Raimond Tamm, quoted in the 7 December 2022 release: 'Kui tänaseks on Tartu tänavavalgustitest ligikaudu kolmandik LED-valgustid, siis järgmise aasta lõpuks nende osakaal juba ligikaudu 90%.' 'The following year' from December 2022 is 2023.", "caveat": "This is the operator's stated target at contract award, not a measured completion figure; no source reachable for this review states the share actually achieved.", "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-e2732ad10924e1d0", "field": "impact", "text": "street-lighting consumption falling only from 7,456 to 6,810 MWh a year", "statementKind": "quantitative", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-38c9bdeadd8caf6e" ], "supportNote": "Table 5.11: annual energy consumption 7,456 MWh in 2010 and 6,810 MWh in 2019. The city page states the 2010 figure as 7.456 GWh in Estonian decimal notation.", "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-b95b80b04caf0940", "field": "impact", "text": "the network grew from 11,500 to 14,004 light points while consumption per point fell from 648 to 486 kWh", "statementKind": "quantitative", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-38c9bdeadd8caf6e" ], "supportNote": "Table 5.11: 11,500 light points in 2010 at 648 kWh per point; 14,004 in 2019 at 486 kWh per point. The 2019 total includes 346 points in the former Tähtvere parish merged into the city in 2017.", "caveat": "The 2017 municipal merger accounts for 346 of the added points; the rest is new streets.", "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-fc79d439a647bb36", "field": "impact", "text": "the city itself wrote that the early LED swaps barely moved the total because new streets kept being added", "statementKind": "descriptive", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-76e0b801f4ba818e" ], "supportNote": "Verbatim: 'Uute LED-valgustite kasutuselevõtt ei ole energiatarbimist tänavavalgustuses oluliselt vähendanud ja seda peamiselt põhjusel, et aja jooksul on lisandunud mitu uut tänavat (näiteks Idaringtee) ning sellega seoses on kasvanud ka valgustite arv.' — the adoption of new LED luminaires has not significantly reduced consumption, mainly because several new streets (for example the eastern ring road) were added and the number of luminaires grew.", "caveat": "The sentence compares 2010 with 2014 (a fall of only 95 MWh); the 2019 row of the climate plan shows the total moving more once the LED share passed a fifth.", "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-a28397d63e2d5422", "field": "impact", "text": "the city projected electricity savings of about 400,000 euros a year", "statementKind": "quantitative", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-51e839b42ea707eb" ], "supportNote": "Verbatim: 'Tänavavalgustuse LED-tehnoloogiale viimine toob linnale märgatava rahalise kokkuhoiu - oodatav elektrikulude kokkuhoid on ligi 400 000 eurot aastas.'", "caveat": "An expectation stated at contract award in December 2022, at that winter's electricity prices; no source states the saving realised.", "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-81adc6589a188ac4", "field": "impact", "text": "the lighting electricity line it budgets stood at 1.3 million euros in the 2024 plan and 700,000 euros in the 2026 plan", "statementKind": "quantitative", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-38c7c5976a314f9c", "src-b6ec366c8d10c060" ], "supportNote": "2024 memorandum: 'Suurim kulu põhitegevuse eelarves, 1,3 miljonit eurot, on linna valgustite, bussitabloode, parkimisautomaatide ja jalgrattaparklate elektrikulu.' 2026 memorandum: the same line item at 700,000 euros — 'valgustite, bussitabloode, parkimisautomaatide ja jalgrattaparklate elektrikulu 700 tuhat eurot'.", "caveat": "Budget plans, not metered consumption, and the line item bundles bus displays, parking machines and bicycle shelters with the lights; falling electricity prices after 2022-23 contributed alongside the LED conversion, so the gap is not a pure LED measurement.", "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-ad321c13a0cc5684", "field": "lesson", "text": "years of swaps left the total almost unchanged", "statementKind": "descriptive", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-76e0b801f4ba818e", "src-38c9bdeadd8caf6e" ], "supportNote": "The city page records a fall of only 95 MWh between 2010 and 2014 despite the first LED installations — 'Tarbimine on vähenenud minimaalselt ehk ainult 95 MWh võrra' — and Table 5.11 shows 7,456 MWh in 2010 against 7,100 MWh as late as 2017.", "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-32de5a5bdd949619", "field": "lesson", "text": "The plan's own milestone of about 68 per cent LED by the end of 2020 was still at about a third in December 2022", "statementKind": "quantitative", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-76e0b801f4ba818e", "src-51e839b42ea707eb" ], "supportNote": "The plan on the city page: 'Asenduskava alusel peaks 2020. aasta lõpuks olema täielikult LED-valgustitega valgustatud viis piirkonda üheksast. Viie aasta jooksul asendatavate valgustite arv on umbes 7200 ehk 68% kõigist Tartu linna valgustitest.' The December 2022 release quotes the deputy mayor that about a third of the luminaires were LED at that point ('ligikaudu kolmandik LED-valgustid').", "caveat": "The 68 per cent figure was the five-year replacement volume of the plan, expressed against the then-current stock; the comparison across the two sources is between a plan milestone and a stated interim share, not two measurements of the same inventory.", "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-6f030235f01187ce", "field": "lesson", "text": "per-luminaire radio control reached the centre pilot and the busier streets", "statementKind": "descriptive", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-76e0b801f4ba818e", "src-e594a917c8c176c8" ], "supportNote": "The city page: 'Tihedama liiklusega tänavatel on vahetatud välja ligi 1500 valgustit (10–11% tänavavalgustite üldarvust) ja üle poole neist on raadio teel juhitavad LED-valgustid' — close to 1,500 luminaires replaced on busier streets, over half of them radio-controlled. The Tark Tartu report covers the 320-luminaire centre pilot with controllers in every fixture.", "caveat": "The extent of per-luminaire control is stated as of the page's December 2020 revision; whether the 7,255 luminaires of the 2022-23 replacement carry individual controllers is not stated in any source reachable for this review.", "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-bce218bdea2c0dda", "field": "lesson", "text": "remote control and cabinet telemetry stay in the budget as standing lines", "statementKind": "descriptive", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-b6ec366c8d10c060", "src-38c7c5976a314f9c" ], "supportNote": "The 2026 memorandum budgets 52,000 euros for 'tänavavalgustuse kaugjuhtimine ja kaamerate andmeside' (street lighting remote control and camera data links) among the activity's main operating costs, and both the 2024 and 2026 memoranda carry an annual investment line for replacing lighting control cabinets and telemetry systems (50,000 euros each year).", "caveat": "The budget lines do not name the control system's vendor; the 52,000-euro line bundles camera data links with lighting remote control.", "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } } ], "sources": [ { "id": "src-76e0b801f4ba818e", "title": "City of Tartu, street lighting page (operator)", "url": "https://tartu.ee/et/t2navavalgustus", "publisher": { "name": null, "domain": "tartu.ee", "classification": "not-classified" }, "sourceType": "web-page", "language": "und", "role": "claim-evidence", "claimRefs": [ "clm-311d95825a4541cf", "clm-b34621f0552d993c", "clm-fc79d439a647bb36", "clm-ad321c13a0cc5684", "clm-32de5a5bdd949619", "clm-6f030235f01187ce" ], "temporal": { "publishedAt": null, "updatedAt": "2020-12-07", "sourceCheckedAt": null, "recordLastVerifiedAt": "2026-08-28", "dossierCreatedAt": "2026-08-28", "retrievedAt": null, "status": "record-date-only" }, "locator": { "type": "descriptive-source-note", "value": "The operator's own street lighting page, largely written in the plan era and last modified 7 December 2020. Carries the 2014 inventory (321 km of lit streets, 11,547 lamps, 151 control cabinets, 10,620 HPS, 295 HID and 632 LED), the 2010 and 2014 consumption (7.456 and 7.361 GWh) with the city's own statement that new LED lights had not significantly cut consumption because new streets were added, the 2015 replacement plan (600 lamps replaced in 2015, nine districts over nine years, a calculated 70 per cent saving per swap, about 7,200 lamps or 68 per cent to be LED by the end of 2020), and the statement that close to 1,500 luminaires on busier streets had been replaced, over half of them radio-controlled LEDs.", "exact": false }, "preservation": { "archiveUrl": null, "archivedAt": null, "contentHash": null, "status": "not-captured" } }, { "id": "src-38c9bdeadd8caf6e", "title": "Tartu Energia 2030, the city's energy and climate plan (operator)", "url": "https://tartu.ee/sites/default/files/uploads/Linnavarad/SECAP/Tartu_Energia_2030.pdf", "publisher": { "name": null, "domain": "tartu.ee", "classification": "not-classified" }, "sourceType": "pdf", "language": "und", "role": "claim-evidence", "claimRefs": [ "clm-311d95825a4541cf", "clm-c51d009f757e9fdf", "clm-e2732ad10924e1d0", "clm-b95b80b04caf0940", "clm-ad321c13a0cc5684" ], "temporal": { "publishedAt": null, "updatedAt": null, "sourceCheckedAt": null, "recordLastVerifiedAt": "2026-08-28", "dossierCreatedAt": "2026-08-28", "retrievedAt": null, "status": "record-date-only" }, "locator": { "type": "descriptive-source-note", "value": "The city's energy and climate plan (SECAP), cover dated Tartu 2021. Table 5.11 is the measured series: 2010 — 11,500 light points, 7,456 MWh, 648 kWh per point; 2014 — 632 LED of 11,547, 5.50%, 7,361 MWh, 637 kWh; 2017 — 1,550 LED of 12,792, 12.10%, 7,100 MWh, 531 kWh; 2019 — 3,062 LED of 14,004, 21.90%, 6,810 MWh, 486 kWh per point.", "exact": false }, "preservation": { "archiveUrl": null, "archivedAt": null, "contentHash": null, "status": "not-captured" } }, { "id": "src-51e839b42ea707eb", "title": "City of Tartu, news release on the citywide LED replacement procurement", "url": "https://tartu.ee/et/uudised/tartu-jatkab-vanade-tanavavalgustite-led-valgustitega-asendamist", "publisher": { "name": null, "domain": "tartu.ee", "classification": "not-classified" }, "sourceType": "web-page", "language": "und", "role": "claim-evidence", "claimRefs": [ "clm-84fd65008470aafb", "clm-875ea4ca7d33091b", "clm-a28397d63e2d5422", "clm-32de5a5bdd949619" ], "temporal": { "publishedAt": "2022-12-07", "updatedAt": null, "sourceCheckedAt": null, "recordLastVerifiedAt": "2026-08-28", "dossierCreatedAt": "2026-08-28", "retrievedAt": null, "status": "publication-and-record-dates-recorded" }, "locator": { "type": "descriptive-source-note", "value": "City news release of 7 December 2022. The government accepted bids by Enersense AS (lots I and III) and a joint bid by Leonhard Weiss OÜ and Kagu Elekter OÜ (lot II) to replace 7,255 high-pressure sodium luminaires in three lots for a contract total of 2,561,261 euros. Deputy mayor Raimond Tamm is quoted that about a third of Tartu's street lights were LED at the time and the share would be roughly 90 per cent by the end of the following year; expected electricity savings are put at close to 400,000 euros a year.", "exact": false }, "preservation": { "archiveUrl": null, "archivedAt": null, "contentHash": null, "status": "not-captured" } }, { "id": "src-8de048efc139340e", "title": "City of Tartu, news release on the SmartEnCity centre-city lighting procurement", "url": "https://tartu.ee/en/news/intelligent-street-lighting-to-be-installed-city-centre-of-tartu", "publisher": { "name": null, "domain": "tartu.ee", "classification": "not-classified" }, "sourceType": "web-page", "language": "und", "role": "claim-evidence", "claimRefs": [ "clm-4913bb8c726f9e72" ], "temporal": { "publishedAt": "2017-07-06", "updatedAt": null, "sourceCheckedAt": null, "recordLastVerifiedAt": "2026-08-28", "dossierCreatedAt": "2026-08-28", "retrievedAt": null, "status": "publication-and-record-dates-recorded" }, "locator": { "type": "descriptive-source-note", "value": "City news release of 6 July 2017 on the SmartEnCity pilot procurement: Leonhard Weiss Energy AS won with 112,452 euros; 320 sodium lights in the city centre replaced with LED; the pilot streets are listed; Cityntel OÜ to install management controllers in all fixtures for remote switching and dimming, with traffic and environmental sensors to be integrated; 70,000 euros from the city budget, the rest from European Commission support.", "exact": false }, "preservation": { "archiveUrl": null, "archivedAt": null, "contentHash": null, "status": "not-captured" } }, { "id": "src-e594a917c8c176c8", "title": "Tark Tartu, the city's smart-city portal, on the completed pilot installation", "url": "https://tarktartu.ee/osa-tartu-kesklinnast-saab-nutika-tanavavalgustusvorgu/", "publisher": { "name": null, "domain": "tarktartu.ee", "classification": "not-classified" }, "sourceType": "web-page", "language": "und", "role": "claim-evidence", "claimRefs": [ "clm-4913bb8c726f9e72", "clm-6f030235f01187ce" ], "temporal": { "publishedAt": "2018-01-08", "updatedAt": null, "sourceCheckedAt": null, "recordLastVerifiedAt": "2026-08-28", "dossierCreatedAt": "2026-08-28", "retrievedAt": null, "status": "publication-and-record-dates-recorded" }, "locator": { "type": "descriptive-source-note", "value": "The city's smart-city portal, 8 January 2018, reporting the pilot delivered: 320 sodium luminaires replaced in the centre, Cityntel OÜ controllers installed in all of them for remote on-off, dimming and performance monitoring, works by Leonhard Weiss Energy AS for 112,452 euros, financed partly from the city budget and partly by European Commission support.", "exact": false }, "preservation": { "archiveUrl": null, "archivedAt": null, "contentHash": null, "status": "not-captured" } }, { "id": "src-c7fc4b73beebb335", "title": "City of Tartu, news from the city government session of 22 October 2024", "url": "https://www.tartu.ee/et/uudised/tartu-linnavalitsuse-istungil-22-10-2024", "publisher": { "name": null, "domain": "tartu.ee", "classification": "not-classified" }, "sourceType": "web-page", "language": "und", "role": "background", "claimRefs": [], "temporal": { "publishedAt": "2024-10-22", "updatedAt": null, "sourceCheckedAt": null, "recordLastVerifiedAt": "2026-08-28", "dossierCreatedAt": "2026-08-28", "retrievedAt": null, "status": "publication-and-record-dates-recorded" }, "locator": { "type": "descriptive-source-note", "value": "City government session notes, 22 October 2024: street lighting network maintenance is performed by EST Networks OÜ under a contract signed in 2022 and ending 31 December 2025, and the city sought council permission to procure operation, maintenance and repair of its electrical network for 2026-2030.", "exact": false }, "preservation": { "archiveUrl": null, "archivedAt": null, "contentHash": null, "status": "not-captured" } }, { "id": "src-38c7c5976a314f9c", "title": "Explanatory memorandum to Tartu's 2024 city budget (operator)", "url": "https://tartu.ee/sites/default/files/uploads/Linnavarad/Linnaeelarve/Tartu%20linna%202024.%20aasta%20seletuskiri.pdf", "publisher": { "name": null, "domain": "tartu.ee", "classification": "not-classified" }, "sourceType": "pdf", "language": "und", "role": "claim-evidence", "claimRefs": [ "clm-81adc6589a188ac4", "clm-bce218bdea2c0dda" ], "temporal": { "publishedAt": null, "updatedAt": null, "sourceCheckedAt": null, "recordLastVerifiedAt": "2026-08-28", "dossierCreatedAt": "2026-08-28", "retrievedAt": null, "status": "record-date-only" }, "locator": { "type": "descriptive-source-note", "value": "Explanatory memorandum to the 2024 city budget. States that the 2023 investment volume in housing and communal services was unusually large because of the LED luminaire replacement, plans 1.3 million euros for the electricity of city lights, bus displays, parking machines and bicycle shelters, and 50,000 euros for replacing lighting control cabinets and telemetry systems. The document states no publication date of its own.", "exact": false }, "preservation": { "archiveUrl": null, "archivedAt": null, "contentHash": null, "status": "not-captured" } }, { "id": "src-b6ec366c8d10c060", "title": "Explanatory memorandum to Tartu's 2026 city budget (operator)", "url": "https://tartu.ee/sites/default/files/uploads/Linnavarad/Linnaeelarve/Tartu%20linna%202026.%20aasta%20linnaeelarve%20seletuskiri.pdf", "publisher": { "name": null, "domain": "tartu.ee", "classification": "not-classified" }, "sourceType": "pdf", "language": "und", "role": "claim-evidence", "claimRefs": [ "clm-81adc6589a188ac4", "clm-bce218bdea2c0dda" ], "temporal": { "publishedAt": null, "updatedAt": null, "sourceCheckedAt": null, "recordLastVerifiedAt": "2026-08-28", "dossierCreatedAt": "2026-08-28", "retrievedAt": null, "status": "record-date-only" }, "locator": { "type": "descriptive-source-note", "value": "Explanatory memorandum to the 2026 city budget. The lighting electricity line is planned at 700,000 euros, maintenance at 418,000 and repair at 300,000 euros, and 52,000 euros are budgeted for street lighting remote control and camera data links; investment falls back to 476,000 euros of routine cable, mast, cabinet and telemetry work. Its expenditure table records 2024 actual operating costs of 1,604,145 euros and 2024 actual investment of 1,457,078 euros for the lighting activity. The document states no publication date of its own.", "exact": false }, "preservation": { "archiveUrl": null, "archivedAt": null, "contentHash": null, "status": "not-captured" } }, { "id": "src-39556ca1de5b5558", "title": "Tartu Postimees, on continuing the street lighting renovation (media)", "url": "https://tartu.postimees.ee/7221604/tartu-jatkab-tanavavalgustuse-uuendamist", "publisher": { "name": null, "domain": "tartu.postimees.ee", "classification": "not-classified" }, "sourceType": "web-page", "language": "und", "role": "background", "claimRefs": [], "temporal": { "publishedAt": "2021-04-10", "updatedAt": null, "sourceCheckedAt": null, "recordLastVerifiedAt": "2026-08-28", "dossierCreatedAt": "2026-08-28", "retrievedAt": null, "status": "publication-and-record-dates-recorded" }, "locator": { "type": "descriptive-source-note", "value": "Regional daily, 10 April 2021: the goal is citywide LED conversion; the Annelinn reconstruction begun in 2020 covered close to a thousand luminaires; further district packages (567 luminaires plus several areas) were funded with support from the Environmental Investment Centre (KIK) after the Annelinn works came in under budget.", "exact": false }, "preservation": { "archiveUrl": null, "archivedAt": null, "contentHash": null, "status": "not-captured" } }, { "id": "src-d1d0b564373ec1e4", "title": "SmartEnCity project, solution factsheet 'LED lights with smart controllers (Tartu)'", "url": "https://smartencity.eu/about/solutions/led-lights-with-smart-controllers-tartu/", "publisher": { "name": null, "domain": "smartencity.eu", "classification": "not-classified" }, "sourceType": "web-page", "language": "und", "role": "claim-evidence", "claimRefs": [ "clm-4913bb8c726f9e72" ], "temporal": { "publishedAt": null, "updatedAt": null, "sourceCheckedAt": null, "recordLastVerifiedAt": "2026-08-28", "dossierCreatedAt": "2026-08-28", "retrievedAt": null, "status": "record-date-only" }, "locator": { "type": "descriptive-source-note", "value": "The Horizon 2020 consortium's own factsheet on the Tartu lighting action. The site refuses automated reading from this environment (HTTP 503 via proxy, connection reset directly), so no passage was read on the page itself; search results quote it recording 322 streetlight controllers produced by project partner Cityntel OÜ and installed into luminaires by the luminaire producer Vizulo. Used only as corroboration of the pilot's consortium attribution.", "exact": false }, "preservation": { "archiveUrl": null, "archivedAt": null, "contentHash": null, "status": "not-captured" } } ], "coverage": { "claimsTotal": 15, "claimsMapped": 15, "sourcesTotal": 10, "sourcesUsedByClaims": 8, "sourcesWithPublicationDate": 5, "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." ] } } ] }