{ "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": "harumi-flag-hydrogen", "title": "HARUMI FLAG Hydrogen Infrastructure", "canonicalUrl": "https://1001smartcities.org/projects/harumi-flag-hydrogen/" }, "currentRevisionId": "2026-08-21-unsourced-text-correction", "revisions": [ { "id": "2026-08-21-evidence-baseline", "createdAt": "2026-08-21T23:30:00Z", "effectiveAt": "2026-07-15", "changeType": "baseline", "summary": "Created the first structured Evidence Passport with 8 claims 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": "sha256:8c5342d5ac8ae21f40a70eee0d69a97f37e0986aebb7ebe62b8ba079d75cb086", "snapshot": { "asOf": "2026-07-15", "projectFingerprint": "sha256:7136058c393a71df50e0b6512a640589ac5a10145b282aafbfc144ecffcdf781", "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": 2024, "ended": null } }, "governance": { "operator": "HARUMI FLAG consortium (Panasonic / Tokyo Waterfront City Development)", "actorTypes": [ "private" ], "fundingModel": "private", "fundingDescription": null, "cost": null, "ownership": null, "decisionRights": null, "exitConditions": null }, "claims": [ { "id": "clm-1b413809c85329ce", "field": "snippet", "text": "the former Tokyo 2020 Olympic Village on Tokyo Bay", "statementKind": "quantitative", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-62f3de71acc3d59c", "src-ffc169f436b381dc" ], "supportNote": "Panasonic's account of the project states that the development was originally built as the athletes' village for the Tokyo 2020 Games: \"Harumi Flag is originally being built as the Olympic Village for the Tokyo 2020 Games.\" The Hydrogen Insight headline describes the same site as \"Tokyo's former Olympic village\"; that outlet's article body sits behind a paywall, so only its headline and standfirst could be read.", "caveat": "Neither listed source uses the words \"Tokyo Bay\". Panasonic places the site in \"Harumi, Tokyo, the transport nodal connecting urban and bay areas\" on an 18-hectare plot; the bay location is a geographic description added by this entry.", "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-db2e96752d0c62e5", "field": "snippet", "text": "an underground pipeline", "statementKind": "descriptive", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-62f3de71acc3d59c", "src-ffc169f436b381dc" ], "supportNote": "Panasonic reports that hydrogen produced at a neighbouring station is \"sent out to residential blocks via the pipelines buried under the streets\", and that \"The work of laying underground pipelines to deliver hydrogen from the station to five residential blocks has already been completed.\" The same account describes the safety specification agreed with Japan's trade ministry: the pipes are laid no shallower than 120 cm and covered with a protective iron plate. The Hydrogen Insight headline, published 28 March 2024, reports the blocks were about to \"start receiving hydrogen by pipeline\".", "caveat": "The Panasonic account dates from 2019 and describes the pipeline as laid but not yet in service; only the Hydrogen Insight headline dates the start of actual deliveries, and its article body is paywalled. Both sources refer to pipelines in the plural, where this entry writes of a single pipeline.", "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-a388d85cb519fdc3", "field": "snippet", "text": "pure-hydrogen PEFC (PEM) fuel cells", "statementKind": "descriptive", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-62f3de71acc3d59c", "src-f004ec802c87015f" ], "supportNote": "Panasonic captions the unit as a \"Hydrogen fuel cell generator (PEFC) to be installed in each block\" and specifies 5 kW per cell at a rated conversion efficiency of 56 per cent (LHV). That the gas is pure hydrogen rather than a blend or a reformed fuel is confirmed by Tokyo Gas's Fumihiko Fukuchi, who describes the regulatory problem as one of \"the business of pure hydrogen supply\" not being covered by the Gas Utility Industry Law.", "caveat": "No listed source writes \"PEM\"; the abbreviation is this entry's gloss on the Japanese term PEFC (polymer electrolyte fuel cell). The Fuel Cells Works piece is a verbatim republication of the same Panasonic account rather than independent trade reporting, and its text beyond the opening paragraph is behind a membership wall.", "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-9dcb02e95b6e2ab8", "field": "snippet", "text": "in each residential block", "statementKind": "descriptive", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-62f3de71acc3d59c" ], "supportNote": "Panasonic states that it \"is responsible for the supply of hydrogen fuel cell generators to each residential block\", with six cells combining \"to supply electricity, at a total power output of 30 kW to each residential neighborhood\". The generators are owned by Harumi Eco Energy, a wholly owned Tokyo Gas subsidiary, which lends them to the blocks' management unions.", "caveat": "The same source gives two different block counts: the pipeline is described as reaching \"five residential blocks\", while the supply coverage is said to encompass \"all four residential blocks in HARUMI FLAG\". The contradiction sits in the source and is not resolved here.", "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-dade3e31086f970a", "field": "snippet", "text": "Japan's first full-scale hydrogen infrastructure in a housing district", "statementKind": "descriptive", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-62f3de71acc3d59c", "src-f004ec802c87015f" ], "supportNote": "Panasonic's account makes the claim twice: \"As Japan's first full-scale hydrogen infrastructure, it will leave a legacy as a 'smart town' to future generations\", and \"The power system producing hydrogen-generated electricity to cover an entire residential area is the first practical application of its kind ever operated in Japan.\" The Fuel Cells Works headline repeats it: \"A City with the First Full-Scale Hydrogen Infrastructure Japan Has Ever Seen\".", "caveat": "A first-of-its-kind claim made by a member of the consortium that built the system. The Fuel Cells Works item reproduces the same Panasonic text rather than testing the claim, so the two sources are not independent of one another, and no listed source checks it against other Japanese developments.", "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-e5a4c5ea993ee8d1", "field": "snippet", "text": "The cells power common areas and shared facilities", "statementKind": "descriptive", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-62f3de71acc3d59c", "src-ffc169f436b381dc" ], "supportNote": "The Tokyo Metropolitan Government plan reported by Panasonic sets out as its second pillar: \"Install next-generation fuel cells for common-use spaces and commercial buildings.\" Panasonic adds that the electricity and heat the generators produce are used by the blocks' management unions, and that heat also goes to \"a condominium with a footbath lounge and another that has elderly housing with shared bathing facilities\". The Hydrogen Insight standfirst, one of the few lines readable outside its paywall, says: \"H2 will be used for electricity generation in communal areas, with waste heat from fuel cells being used for washing pets' paws\".", "caveat": "Both sources describe electricity for shared spaces only; neither claims that hydrogen powers the individual flats, which Panasonic says are fitted with separate gas-fed EneFarm residential fuel cells and also draw grid electricity.", "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-30800687132c41c5", "field": "snippet", "text": "5,632 homes", "statementKind": "quantitative", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-62f3de71acc3d59c" ], "supportNote": "Panasonic gives the build-out of the 18-hectare site as \"A total of 5,632 privately-owned/rental flats will be completed by 2024\", which is also the year this entry records as the start of operation.", "caveat": "The figure counts flats due for completion, owned and rented together, as forecast in 2019; no listed source confirms after the fact how many were finished or occupied.", "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-91a8b3d4b29013fa", "field": "snippet", "text": "run by an energy-management system that predicts peak demand", "statementKind": "descriptive", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-62f3de71acc3d59c" ], "supportNote": "Panasonic quotes Yoichiro Takagi of Mitsui Fudosan Residential, the developer group's lead company: \"Maison Energy Management System (MEMS) collects data on energy supply and consumption per residential block. The data is captured by the server for the area energy management that covers the entire town, and then is analyzed. Analysis results report the current trend of power consumption, predict peak demand, and help lower the reliance on conventional grid-supplied power and in turn reduce the cost for energy.\" The article adds that a Panasonic-made MEMS sits in each residential block.", "caveat": "Described by the developer in 2019 as a design intention. No listed source reports how the prediction has performed since the system went into service, or what it does with the forecast.", "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } } ], "sources": [ { "id": "src-62f3de71acc3d59c", "title": "Panasonic Newsroom (consortium partner)", "url": "https://news.panasonic.com/global/stories/860", "publisher": { "name": null, "domain": "news.panasonic.com", "classification": "not-classified" }, "sourceType": "web-page", "language": "und", "role": "claim-evidence", "claimRefs": [ "clm-1b413809c85329ce", "clm-db2e96752d0c62e5", "clm-a388d85cb519fdc3", "clm-9dcb02e95b6e2ab8", "clm-dade3e31086f970a", "clm-e5a4c5ea993ee8d1", "clm-30800687132c41c5", "clm-91a8b3d4b29013fa" ], "temporal": { "publishedAt": null, "updatedAt": null, "sourceCheckedAt": null, "recordLastVerifiedAt": "2026-07-15", "dossierCreatedAt": "2026-08-21", "retrievedAt": null, "status": "record-date-only" }, "locator": { "type": "descriptive-source-note", "value": "Operator/solution-provider account of the hydrogen fuel-cell generators and MEMS energy management.", "exact": false }, "preservation": { "archiveUrl": null, "archivedAt": null, "contentHash": null, "status": "not-captured" } }, { "id": "src-f004ec802c87015f", "title": "Fuel Cells Works (trade)", "url": "https://fuelcellsworks.com/news/harumi-flag-a-city-with-the-first-full-scale-hydrogen-infrastructure-japan-has-ever-seen", "publisher": { "name": null, "domain": "fuelcellsworks.com", "classification": "not-classified" }, "sourceType": "web-page", "language": "und", "role": "claim-evidence", "claimRefs": [ "clm-a388d85cb519fdc3", "clm-dade3e31086f970a" ], "temporal": { "publishedAt": null, "updatedAt": null, "sourceCheckedAt": null, "recordLastVerifiedAt": "2026-07-15", "dossierCreatedAt": "2026-08-21", "retrievedAt": null, "status": "record-date-only" }, "locator": { "type": "descriptive-source-note", "value": "Trade coverage; supports 'first full-scale hydrogen infrastructure in Japan' and PEFC fuel cells in each block.", "exact": false }, "preservation": { "archiveUrl": null, "archivedAt": null, "contentHash": null, "status": "not-captured" } }, { "id": "src-ffc169f436b381dc", "title": "Hydrogen Insight (press)", "url": "https://www.hydrogeninsight.com/power/apartment-blocks-at-tokyo-s-former-olympic-village-to-start-receiving-hydrogen-by-pipeline/2-1-1618520", "publisher": { "name": null, "domain": "hydrogeninsight.com", "classification": "not-classified" }, "sourceType": "web-page", "language": "und", "role": "claim-evidence", "claimRefs": [ "clm-1b413809c85329ce", "clm-db2e96752d0c62e5", "clm-e5a4c5ea993ee8d1" ], "temporal": { "publishedAt": null, "updatedAt": null, "sourceCheckedAt": null, "recordLastVerifiedAt": "2026-07-15", "dossierCreatedAt": "2026-08-21", "retrievedAt": null, "status": "record-date-only" }, "locator": { "type": "descriptive-source-note", "value": "Reporting on the pipeline delivering hydrogen to the blocks.", "exact": false }, "preservation": { "archiveUrl": null, "archivedAt": null, "contentHash": null, "status": "not-captured" } } ], "coverage": { "claimsTotal": 8, "claimsMapped": 8, "sourcesTotal": 3, "sourcesUsedByClaims": 3, "sourcesWithPublicationDate": 0, "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." ] } }, { "id": "2026-08-21-unsourced-text-correction", "createdAt": "2026-08-21T23:43:00Z", "effectiveAt": "2026-07-15", "changeType": "correction", "summary": "Added Panasonic's Part 1 article as a source and rephrased the resident figure as what it is: the developer's projection of 'as many as 12,000 residents by 2024', not a count.", "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": "replace", "path": "/snapshot/projectFingerprint", "summary": "Updated projectFingerprint to the current sourced project record." }, { "operation": "replace", "path": "/snapshot/sources", "summary": "Updated sources to the current sourced project record." } ], "snapshotHash": "sha256:870cfa2ab6e546147077c3a3b45e073f25aec498ff58f62cf01f1c76dad0b7c2", "snapshot": { "asOf": "2026-07-15", "projectFingerprint": "sha256:d4360c4ab052ff96ad9dd80b131ef29e8a6a879b2ca167f434901dab0d3f8385", "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": 2024, "ended": null } }, "governance": { "operator": "HARUMI FLAG consortium (Panasonic / Tokyo Waterfront City Development)", "actorTypes": [ "private" ], "fundingModel": "private", "fundingDescription": null, "cost": null, "ownership": null, "decisionRights": null, "exitConditions": null }, "claims": [ { "id": "clm-1b413809c85329ce", "field": "snippet", "text": "the former Tokyo 2020 Olympic Village on Tokyo Bay", "statementKind": "quantitative", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-62f3de71acc3d59c", "src-ffc169f436b381dc" ], "supportNote": "Panasonic's account of the project states that the development was originally built as the athletes' village for the Tokyo 2020 Games: \"Harumi Flag is originally being built as the Olympic Village for the Tokyo 2020 Games.\" The Hydrogen Insight headline describes the same site as \"Tokyo's former Olympic village\"; that outlet's article body sits behind a paywall, so only its headline and standfirst could be read.", "caveat": "Neither listed source uses the words \"Tokyo Bay\". Panasonic places the site in \"Harumi, Tokyo, the transport nodal connecting urban and bay areas\" on an 18-hectare plot; the bay location is a geographic description added by this entry.", "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-db2e96752d0c62e5", "field": "snippet", "text": "an underground pipeline", "statementKind": "descriptive", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-62f3de71acc3d59c", "src-ffc169f436b381dc" ], "supportNote": "Panasonic reports that hydrogen produced at a neighbouring station is \"sent out to residential blocks via the pipelines buried under the streets\", and that \"The work of laying underground pipelines to deliver hydrogen from the station to five residential blocks has already been completed.\" The same account describes the safety specification agreed with Japan's trade ministry: the pipes are laid no shallower than 120 cm and covered with a protective iron plate. The Hydrogen Insight headline, published 28 March 2024, reports the blocks were about to \"start receiving hydrogen by pipeline\".", "caveat": "The Panasonic account dates from 2019 and describes the pipeline as laid but not yet in service; only the Hydrogen Insight headline dates the start of actual deliveries, and its article body is paywalled. Both sources refer to pipelines in the plural, where this entry writes of a single pipeline.", "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-a388d85cb519fdc3", "field": "snippet", "text": "pure-hydrogen PEFC (PEM) fuel cells", "statementKind": "descriptive", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-62f3de71acc3d59c", "src-f004ec802c87015f" ], "supportNote": "Panasonic captions the unit as a \"Hydrogen fuel cell generator (PEFC) to be installed in each block\" and specifies 5 kW per cell at a rated conversion efficiency of 56 per cent (LHV). That the gas is pure hydrogen rather than a blend or a reformed fuel is confirmed by Tokyo Gas's Fumihiko Fukuchi, who describes the regulatory problem as one of \"the business of pure hydrogen supply\" not being covered by the Gas Utility Industry Law.", "caveat": "No listed source writes \"PEM\"; the abbreviation is this entry's gloss on the Japanese term PEFC (polymer electrolyte fuel cell). The Fuel Cells Works piece is a verbatim republication of the same Panasonic account rather than independent trade reporting, and its text beyond the opening paragraph is behind a membership wall.", "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-9dcb02e95b6e2ab8", "field": "snippet", "text": "in each residential block", "statementKind": "descriptive", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-62f3de71acc3d59c" ], "supportNote": "Panasonic states that it \"is responsible for the supply of hydrogen fuel cell generators to each residential block\", with six cells combining \"to supply electricity, at a total power output of 30 kW to each residential neighborhood\". The generators are owned by Harumi Eco Energy, a wholly owned Tokyo Gas subsidiary, which lends them to the blocks' management unions.", "caveat": "The same source gives two different block counts: the pipeline is described as reaching \"five residential blocks\", while the supply coverage is said to encompass \"all four residential blocks in HARUMI FLAG\". The contradiction sits in the source and is not resolved here.", "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-dade3e31086f970a", "field": "snippet", "text": "Japan's first full-scale hydrogen infrastructure in a housing district", "statementKind": "descriptive", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-62f3de71acc3d59c", "src-f004ec802c87015f" ], "supportNote": "Panasonic's account makes the claim twice: \"As Japan's first full-scale hydrogen infrastructure, it will leave a legacy as a 'smart town' to future generations\", and \"The power system producing hydrogen-generated electricity to cover an entire residential area is the first practical application of its kind ever operated in Japan.\" The Fuel Cells Works headline repeats it: \"A City with the First Full-Scale Hydrogen Infrastructure Japan Has Ever Seen\".", "caveat": "A first-of-its-kind claim made by a member of the consortium that built the system. The Fuel Cells Works item reproduces the same Panasonic text rather than testing the claim, so the two sources are not independent of one another, and no listed source checks it against other Japanese developments.", "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-e5a4c5ea993ee8d1", "field": "snippet", "text": "The cells power common areas and shared facilities", "statementKind": "descriptive", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-62f3de71acc3d59c", "src-ffc169f436b381dc" ], "supportNote": "The Tokyo Metropolitan Government plan reported by Panasonic sets out as its second pillar: \"Install next-generation fuel cells for common-use spaces and commercial buildings.\" Panasonic adds that the electricity and heat the generators produce are used by the blocks' management unions, and that heat also goes to \"a condominium with a footbath lounge and another that has elderly housing with shared bathing facilities\". The Hydrogen Insight standfirst, one of the few lines readable outside its paywall, says: \"H2 will be used for electricity generation in communal areas, with waste heat from fuel cells being used for washing pets' paws\".", "caveat": "Both sources describe electricity for shared spaces only; neither claims that hydrogen powers the individual flats, which Panasonic says are fitted with separate gas-fed EneFarm residential fuel cells and also draw grid electricity.", "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-30800687132c41c5", "field": "snippet", "text": "5,632 homes", "statementKind": "quantitative", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-62f3de71acc3d59c" ], "supportNote": "Panasonic gives the build-out of the 18-hectare site as \"A total of 5,632 privately-owned/rental flats will be completed by 2024\", which is also the year this entry records as the start of operation.", "caveat": "The figure counts flats due for completion, owned and rented together, as forecast in 2019; no listed source confirms after the fact how many were finished or occupied.", "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-91a8b3d4b29013fa", "field": "snippet", "text": "run by an energy-management system that predicts peak demand", "statementKind": "descriptive", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-62f3de71acc3d59c" ], "supportNote": "Panasonic quotes Yoichiro Takagi of Mitsui Fudosan Residential, the developer group's lead company: \"Maison Energy Management System (MEMS) collects data on energy supply and consumption per residential block. The data is captured by the server for the area energy management that covers the entire town, and then is analyzed. Analysis results report the current trend of power consumption, predict peak demand, and help lower the reliance on conventional grid-supplied power and in turn reduce the cost for energy.\" The article adds that a Panasonic-made MEMS sits in each residential block.", "caveat": "Described by the developer in 2019 as a design intention. No listed source reports how the prediction has performed since the system went into service, or what it does with the forecast.", "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } } ], "sources": [ { "id": "src-62f3de71acc3d59c", "title": "Panasonic Newsroom (consortium partner)", "url": "https://news.panasonic.com/global/stories/860", "publisher": { "name": null, "domain": "news.panasonic.com", "classification": "not-classified" }, "sourceType": "web-page", "language": "und", "role": "claim-evidence", "claimRefs": [ "clm-1b413809c85329ce", "clm-db2e96752d0c62e5", "clm-a388d85cb519fdc3", "clm-9dcb02e95b6e2ab8", "clm-dade3e31086f970a", "clm-e5a4c5ea993ee8d1", "clm-30800687132c41c5", "clm-91a8b3d4b29013fa" ], "temporal": { "publishedAt": null, "updatedAt": null, "sourceCheckedAt": null, "recordLastVerifiedAt": "2026-07-15", "dossierCreatedAt": "2026-08-21", "retrievedAt": null, "status": "record-date-only" }, "locator": { "type": "descriptive-source-note", "value": "Operator/solution-provider account of the hydrogen fuel-cell generators and MEMS energy management.", "exact": false }, "preservation": { "archiveUrl": null, "archivedAt": null, "contentHash": null, "status": "not-captured" } }, { "id": "src-a5378cdbfcdd45f7", "title": "Panasonic Newsroom — HARUMI FLAG, the City That Brings the Future to Today's Tokyo (Part 1 of 2)", "url": "https://news.panasonic.com/global/stories/859", "publisher": { "name": null, "domain": "news.panasonic.com", "classification": "not-classified" }, "sourceType": "web-page", "language": "und", "role": "background", "claimRefs": [], "temporal": { "publishedAt": "2019-09-06", "updatedAt": null, "sourceCheckedAt": null, "recordLastVerifiedAt": "2026-07-15", "dossierCreatedAt": "2026-08-21", "retrievedAt": null, "status": "publication-and-record-dates-recorded" }, "locator": { "type": "descriptive-source-note", "value": "Developer-side account of the district; carries the 5,632 flats in 23 buildings and the projection of 'as many as 12,000 residents by 2024'.", "exact": false }, "preservation": { "archiveUrl": null, "archivedAt": null, "contentHash": null, "status": "not-captured" } }, { "id": "src-f004ec802c87015f", "title": "Fuel Cells Works (trade)", "url": "https://fuelcellsworks.com/news/harumi-flag-a-city-with-the-first-full-scale-hydrogen-infrastructure-japan-has-ever-seen", "publisher": { "name": null, "domain": "fuelcellsworks.com", "classification": "not-classified" }, "sourceType": "web-page", "language": "und", "role": "claim-evidence", "claimRefs": [ "clm-a388d85cb519fdc3", "clm-dade3e31086f970a" ], "temporal": { "publishedAt": null, "updatedAt": null, "sourceCheckedAt": null, "recordLastVerifiedAt": "2026-07-15", "dossierCreatedAt": "2026-08-21", "retrievedAt": null, "status": "record-date-only" }, "locator": { "type": "descriptive-source-note", "value": "Trade coverage; supports 'first full-scale hydrogen infrastructure in Japan' and PEFC fuel cells in each block.", "exact": false }, "preservation": { "archiveUrl": null, "archivedAt": null, "contentHash": null, "status": "not-captured" } }, { "id": "src-ffc169f436b381dc", "title": "Hydrogen Insight (press)", "url": "https://www.hydrogeninsight.com/power/apartment-blocks-at-tokyo-s-former-olympic-village-to-start-receiving-hydrogen-by-pipeline/2-1-1618520", "publisher": { "name": null, "domain": "hydrogeninsight.com", "classification": "not-classified" }, "sourceType": "web-page", "language": "und", "role": "claim-evidence", "claimRefs": [ "clm-1b413809c85329ce", "clm-db2e96752d0c62e5", "clm-e5a4c5ea993ee8d1" ], "temporal": { "publishedAt": null, "updatedAt": null, "sourceCheckedAt": null, "recordLastVerifiedAt": "2026-07-15", "dossierCreatedAt": "2026-08-21", "retrievedAt": null, "status": "record-date-only" }, "locator": { "type": "descriptive-source-note", "value": "Reporting on the pipeline delivering hydrogen to the blocks.", "exact": false }, "preservation": { "archiveUrl": null, "archivedAt": null, "contentHash": null, "status": "not-captured" } } ], "coverage": { "claimsTotal": 8, "claimsMapped": 8, "sourcesTotal": 4, "sourcesUsedByClaims": 3, "sourcesWithPublicationDate": 1, "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." ] } } ] }