1001 Smart Cities

Permanent project revision

Yokohama Smart City Project (YSCP)

Revision 2026-08-18-baseline · effective 2026-08-18

Superseded. A later revision exists: 2026-08-20-source-dates-b9 →

unreviewed

Created the first structured Evidence Passport with 5 claims and 1 source dossier.

sha256:2775e7c4108c5cb4f7aa6f50e8a88272ffe3addc3e4efd0943b6427269fb9a8e
All revisions → Current entity page →

Change set

  • add /evidencePassport — Added claim-level evidence mapping and source dossiers.
  • add /revisionHistory — Established a permanent, hash-addressed baseline revision.
5
of 5 claims mapped
1
source dossiers
0
publication dates recorded
0
archives linked
0
exact locators
0
content captures hashed

Claims, one by one

The text below is copied verbatim from the published record. Each claim names the source dossiers that carry it; caveats stay attached to the claim they qualify.

Claim 1 clm-5a3efbc7f4f3b3fa quantitative
selected Yokohama in 2010 as a Next-Generation Energy and Social System Demonstration Area
Published field
snippet · verbatim
Mapping
mapped · no interpretation or interpolation added by this passport
What the mapping says
The city's own page states Yokohama was selected in 2010 by the Ministry of Economy, Trade and Industry as a 'Next-Generation Energy and Social System Demonstration Area'.
Caveat
No claim-specific caveat recorded

Sources carrying this claim

  1. City of Yokohama — Yokohama Smart City Project (YSCP)
Claim 2 clm-6990e356b0129cf3 quantitative
34 of the country's leading energy operators, electronics manufacturers and construction companies
Published field
snippet · verbatim
Mapping
mapped · no interpretation or interpolation added by this passport
What the mapping says
The page describes the project as involving 34 of Japan's leading energy-related operators, electronics manufacturers, construction companies and more.
Caveat
No claim-specific caveat recorded

Sources carrying this claim

  1. City of Yokohama — Yokohama Smart City Project (YSCP)
Claim 3 clm-b158856687e80bdc quantitative
The demonstration ended in 2014
Published field
snippet · verbatim
Mapping
mapped · no interpretation or interpolation added by this passport
What the mapping says
The city gives the demonstration period as 2010-2014.
Caveat
No claim-specific caveat recorded

Sources carrying this claim

  1. City of Yokohama — Yokohama Smart City Project (YSCP)
Claim 4 clm-a46ed991c2039ba4 descriptive
the partners were reorganised into a new public-private body, the Yokohama Smart Business Association
Published field
snippet · verbatim
Mapping
mapped · no interpretation or interpolation added by this passport
What the mapping says
The page states that a new public-private cooperation organization, the Yokohama Smart Business Association (YSBA), was established to advance 'from demonstration to implementation'.
Caveat
No claim-specific caveat recorded

Sources carrying this claim

  1. City of Yokohama — Yokohama Smart City Project (YSCP)
Claim 5 clm-84e0466a729b94a7 descriptive
The city's own public page on the project publishes no result figures.
Published field
snippet · verbatim
Mapping
mapped · no interpretation or interpolation added by this passport
What the mapping says
The page sets out the period, the partner count and the successor organisation, and states no figures for households equipped, storage installed, generation added or emissions avoided.
Caveat
An absence is harder to source than a presence: this rests on the city's own English project page as fetched in August 2026, not on a statement that no figures exist anywhere.

Sources carrying this claim

  1. City of Yokohama — Yokohama Smart City Project (YSCP)

Source dossiers and revision state

This layer records what is known about each source, what is still missing, and the exact snapshot this page is rendering. A missing date, archive or hash stays visible as missing.

unreviewed Revision 2026-08-18-baseline effective 2026-08-18 · created 2026-08-18

Awaiting operator and domain-expert review; publication of this revision implies neither.

sha256:2775e7c4108c5cb4f7aa6f50e8a88272ffe3addc3e4efd0943b6427269fb9a8e
Revision history → Permanent version link → Machine-readable record → Evidence Constitution →
5
of 5 claims mapped
1
source dossiers
0
publication dates recorded
0
archives linked
0
exact locators
0
content captures hashed

Governance facts carried by the record

Operator
City of Yokohama with 34 partner companies; succeeded by the Yokohama Smart Business Association (YSBA)
Actor types
city-government, national-government, private
Funding model
ppp
Funding description
National demonstration programme of the Ministry of Economy, Trade and Industry with private partners
Cost
Not recorded
Ownership
Not recorded
Decision rights
Not recorded
Exit conditions
Not recorded

1 source dossiers

City of Yokohama — Yokohama Smart City Project (YSCP) city.yokohama.lg.jp · 5 linked claims

Open original source ↗

Stable source ID
src-a8a79ad5bf29eded
Publisher
Name not classified · city.yokohama.lg.jp
Type / language
web-page · language not classified
Published
Not recorded
Updated
Not recorded
Source last checked
No source-level check date
Record last verified
2026-08-18
Dossier created
2026-08-18
Retrieved copy
No local capture recorded
Archive
No archived copy linked
Content hash
No captured content hash
Locator
No locator recordedDescriptive only — not page/paragraph exact
Claims linked
Known limits of this passport
  • 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.