1001 Smart Cities

Permanent project revision

Tsunashima Sustainable Smart Town

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

Superseded. A later revision exists: 2026-08-20-source-dates-b7 →

unreviewed

Created the first structured Evidence Passport with 5 claims and 3 source dossiers.

sha256:2a0f0007024c7012edcb8a66e71b71fdacbb7cdbaa9524cb471aa814d3a1df96
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
3
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-cd1728c678541a86 descriptive
Panasonic and Nomura Real Estate Development built Tsunashima Sustainable Smart Town on a former Panasonic factory site in Kohoku ward, Yokohama
Published field
snippet · verbatim
Mapping
mapped · no interpretation or interpolation added by this passport
What the mapping says
Both sources place the town on the former Panasonic factory site in Tsunashima-Higashi, Kohoku-ku, Yokohama, and name Panasonic and Nomura Real Estate Development as lead organisers of the Tsunashima SST Council.
Caveat
No claim-specific caveat recorded

Sources carrying this claim

  1. Keio University — completion of Tsunashima Sustainable Smart Town
  2. Panasonic Newsroom — Pioneering the Future at Tsunashima Sustainable Smart Town
Claim 2 clm-158caf075849c06f quantitative
it entered operation on 26 March 2018
Published field
snippet · verbatim
Mapping
mapped · no interpretation or interpolation added by this passport
What the mapping says
Keio University's announcement of the town's completion gives 26 March 2018 as the start of the operational phase.
Caveat
No claim-specific caveat recorded

Sources carrying this claim

  1. Keio University — completion of Tsunashima Sustainable Smart Town
Claim 3 clm-c7dd05baf632fd90 descriptive
A hydrogen refuelling station opened on the site
Published field
snippet · verbatim
Mapping
mapped · no interpretation or interpolation added by this passport
What the mapping says
Panasonic's newsroom announces the opening of a hydrogen station at Tsunashima Sustainable Smart Town.
Caveat
No claim-specific caveat recorded

Sources carrying this claim

  1. Panasonic Newsroom — hydrogen station at Tsunashima SST opens
Claim 4 clm-3b87124bcecd1c2a descriptive
flats are fitted with a screen-based home control system that lets residents follow their own water and energy use
Published field
snippet · verbatim
Mapping
mapped · no interpretation or interpolation added by this passport
What the mapping says
Panasonic describes apartments whose intercom and appliance operation is integrated in a screen-based home control system using IoT, and states the system also allows residents to track their water and energy usage.
Caveat
No claim-specific caveat recorded

Sources carrying this claim

  1. Panasonic Newsroom — Pioneering the Future at Tsunashima Sustainable Smart Town
Claim 5 clm-76b8bd211fdfd941 descriptive
Tsunashima is primarily a commercial development aimed at collaboration between the companies on site
Published field
snippet · verbatim
Mapping
mapped · no interpretation or interpolation added by this passport
What the mapping says
Panasonic contrasts Tsunashima with the Fujisawa and Suita towns: those are planned as residential communities, while Tsunashima is primarily a commercial venture meant to nurture collaborative innovation among companies.
Caveat
No claim-specific caveat recorded

Sources carrying this claim

  1. Panasonic Newsroom — Pioneering the Future at Tsunashima Sustainable Smart Town

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.

sha256:2a0f0007024c7012edcb8a66e71b71fdacbb7cdbaa9524cb471aa814d3a1df96
Revision history → Permanent version link → Machine-readable record → Evidence Constitution →
5
of 5 claims mapped
3
source dossiers
0
publication dates recorded
0
archives linked
0
exact locators
0
content captures hashed

Governance facts carried by the record

Operator
Tsunashima SST Council, led by Panasonic and Nomura Real Estate Development
Actor types
private
Funding model
private
Funding description
Not recorded
Cost
Not recorded
Ownership
Not recorded
Decision rights
Not recorded
Exit conditions
Not recorded

3 source dossiers

Keio University — completion of Tsunashima Sustainable Smart Town keio.ac.jp · 2 linked claims

Open original source ↗

Stable source ID
src-048a362449e5444e
Publisher
Name not classified · keio.ac.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
Panasonic Newsroom — Pioneering the Future at Tsunashima Sustainable Smart Town news.panasonic.com · 3 linked claims

Open original source ↗

Stable source ID
src-1e02fc00f5bbad18
Publisher
Name not classified · news.panasonic.com
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
Panasonic Newsroom — hydrogen station at Tsunashima SST opens news.panasonic.com · 1 linked claim

Open original source ↗

Stable source ID
src-83421cccef81d069
Publisher
Name not classified · news.panasonic.com
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.