lbougan · Oct 12, 2026 · Oct 12, 2026
diff --git a/SPECS.md b/SPECS.md
@@ -112,7 +112,7 @@ lca-wiki/
 │   ├── roadmap.md       # open work, where contributors can help
 │   └── modules/
 │       ├── sentier-brightway/  sentier-vocab/  sentier-importers/
-│       ├── sentier-inventory/  # documents BAFU-2026 as imported by Sentier (11 sector folders) and links to ../../bafu/ (D3)
+│       ├── sentier-inventory/  # documents BAFU-2026 as imported by Sentier (one source folder, sector as a column) and links to ../../bafu/ (D3)
 │       ├── sentier-methods/  sentier-mappings/
 │       └── sentier-agribalyse/ # public twin only; private adapter repositories are never documented
 ├── brightway/
@@ -157,7 +157,7 @@ Rules:
   dataset descriptors are reachable from the module page. Descriptors stay broad:
   never per datapoint.
 - `sentier/modules/sentier-inventory/datasets.md` describes BAFU-2026 as Sentier
-  ships it (11 sector folders, unit-keyed flow ids, parquet + YAML schema) and links
+  ships it (one folder per source release, sector as a column, unit-keyed flow ids, parquet + YAML schema) and links
   to `bafu/knowledge/` for the source database itself (D3).
 - `api/` files: an API reference generated by running pdoc by hand, one file per
   submodule, against the version recorded in `README.md`; every file stamped with
@@ -216,8 +216,8 @@ Rules of precedence and marking:
 
 Sector pages use the **Global Industry Classification Standard (GICS)**: 11 sector
 pages; industry-group pages only when a use case needs one. `core/sectors/crosswalk.md`
-maps each GICS sector to sentier-inventory folders (`01-agriculture …
-10-building-services`), BAFU's own groups and ecoinvent's ISIC divisions (D11). Use
+maps each GICS sector to sentier-inventory `sector` values (`agriculture` to
+`building-services`), BAFU's own groups and ecoinvent's ISIC divisions (D11). Use
 cases and dataset descriptors reference sectors by GICS name.
 
 ## 9. Skill kit
@@ -350,7 +350,7 @@ Brightway and Sentier channels. Not automated.
 | D8 | Codebase doc depth | Hand-written pages plus a generated pdoc markdown API reference per package |
 | D9 | Starter vocab labelling | Tagged EF/PEF (European Commission); ILCD bullet first where both define a term |
 | D10 | ecoinvent glossary | Open access per Laurenz: import with attribution and link |
-| D11 | Sectors | GICS taxonomy plus `core/sectors/crosswalk.md` to sentier-inventory folders, BAFU groups, ISIC |
+| D11 | Sectors | GICS taxonomy plus `core/sectors/crosswalk.md` to sentier-inventory `sector` values (folders until 2026-10-12), BAFU groups, ISIC |
 | D12 | Porting from the maintainers' internal wiki | Public-repo pages only, after a privacy pass |
 | D13 | Language | English only |
 | D14 | Local build folder | the maintainer's local checkout |

diff --git a/bafu/README.md b/bafu/README.md
@@ -3,7 +3,7 @@ title: bafu
 type: branch
 summary: "The BAFU LCA database as an external data source: what it is, how to get it, what it covers."
 audience: [P1, P2]
-updated: 2026-09-21
+updated: 2026-10-12
 sources: [bafu-2026-release, openlca-bafu-2026-notes, bafu-terms-of-use-2025, esu-bafu-database]
 related: [../sentier/modules/sentier-inventory/README.md, ../core/sectors/README.md]
 ---
@@ -66,8 +66,9 @@ with no warranty (source: bafu-terms-of-use-2025). The full reading is in
 
 ## How the tooling in this wiki reaches it
 
-The Sentier platform ships this database as the `bafu-2026` inventory package. The
-package and the way its data is written is documented on its own module page,
+The Sentier platform ships this database as the inventory source `bafu-2026`, release
+`v1`, one folder `data/bafu-2026-v1/` with the sector of every process as a column. The
+folder and the way its data is written is documented on its own module page,
 [../sentier/modules/sentier-inventory/](../sentier/modules/sentier-inventory/); the
 loader that installs it into a Brightway project or a folder of plain files is
 [../sentier/modules/sentier-brightway/](../sentier/modules/sentier-brightway/). Neither is

diff --git a/bafu/data/fetch.md b/bafu/data/fetch.md
@@ -3,7 +3,7 @@ title: Fetching a BAFU release
 type: database
 summary: Where the files are, why the download cannot be fully automated, and how to verify and unpack them.
 audience: [P1, P3]
-updated: 2026-09-21
+updated: 2026-10-12
 sources: [bafu-2026-release, openlca-bafu-2026-notes, bafu-terms-of-use-2025]
 related: [../knowledge/access-and-licence.md, ../knowledge/format.md]
 ---
@@ -83,8 +83,8 @@ hundreds of megabytes. Keep the downloads in a directory of your own, keep the
 
 - openLCA: import the `.zolca` file.
 - Brightway and anything else in this wiki's tooling: the Sentier platform ships this
-  database as the `bafu-2026` inventory package, and that route is documented on its own
-  module page, [../../sentier/modules/sentier-inventory/](../../sentier/modules/sentier-inventory/),
+  database as the inventory source `bafu-2026`, one folder `data/bafu-2026-v1/` with the
+  sector as a column, and that route is documented on its own module page, [../../sentier/modules/sentier-inventory/](../../sentier/modules/sentier-inventory/),
   with the loader at
   [../../sentier/modules/sentier-brightway/](../../sentier/modules/sentier-brightway/).
 - Your own importer: write it against the ecoSpold v1 archive, and read

diff --git a/core/sectors/README.md b/core/sectors/README.md
@@ -3,7 +3,7 @@ title: core/sectors
 type: readme
 summary: The 11 GICS sector pages and the crosswalk to the other sector taxonomies in use.
 audience: [P1, P2]
-updated: 2026-09-21
+updated: 2026-10-12
 sources: []
 ---
 
@@ -18,7 +18,7 @@ in this wiki serve it.
 Eleven pages, one per sector of the Global Industry Classification Standard (GICS):
 energy, materials, industrials, consumer discretionary, consumer staples, health care,
 financials, information technology, communication services, utilities, real estate.
-Plus `crosswalk.md`, which maps each GICS sector onto the sector folders of the Sentier
+Plus `crosswalk.md`, which maps each GICS sector onto the sector values of the Sentier
 inventory, the BAFU groups and the ISIC divisions ecoinvent uses. Industry-group pages
 are added only when a use case needs one.
 

diff --git a/core/sectors/communication-services.md b/core/sectors/communication-services.md
@@ -3,8 +3,8 @@ title: Communication Services
 type: sector
 summary: "Telecommunication networks, media and interactive services: what an LCA of the GICS Communication Services sector needs and which data sources cover it."
 audience: [P1, P2]
-updated: 2026-09-22
-sources: [gics-2023, epd-international-pcr-library, ef-pef-method, sentier-inventory-readme, bafu-2026-release, unsd-isic-rev4]
+updated: 2026-10-12
+sources: [gics-2023, epd-international-pcr-library, ef-pef-method, sentier-inventory-readme, bafu-2026-release, unsd-isic-rev4, sentier-inventory-pr-5]
 related: [crosswalk.md, ../../bafu/, ../../sentier/modules/sentier-inventory/]
 ---
 
@@ -40,8 +40,8 @@ Foreground data is a network topology with per-element power draw and a traffic
 Background:
 
 - [../../sentier/modules/sentier-inventory/](../../sentier/modules/sentier-inventory/) -
-  `02-electricity` for the operating phase, `09-electronics` for network and terminal
-  equipment, `07-construction` for masts, ducts and buildings
+  the `sector` values `electricity` for the operating phase, `electronics` for network
+  and terminal equipment, `construction` for masts, ducts and buildings
   (sentier-inventory-readme).
 - [../../bafu/](../../bafu/) - BAFU:2026 top-level categories `computers & network`
   and `electricity` (bafu-2026-release).
@@ -84,7 +84,7 @@ and read this page for what the sector adds to them. The gap is on
 
 | Taxonomy | This sector maps onto |
 |---|---|
-| Sentier inventory folders | `02-electricity`, `09-electronics`, `07-construction` |
+| Sentier inventory `sector` values | `electricity`, `electronics`, `construction` |
 | BAFU:2026 top-level process categories | computers & network, electricity |
 | ISIC Rev.4 sections | J (information and communication), R (arts, entertainment and recreation) |
 

diff --git a/core/sectors/consumer-discretionary.md b/core/sectors/consumer-discretionary.md
@@ -3,8 +3,8 @@ title: Consumer Discretionary
 type: sector
 summary: "Vehicles, durables, apparel and consumer services: what an LCA of the GICS Consumer Discretionary sector needs and which data sources cover it."
 audience: [P1, P2]
-updated: 2026-09-22
-sources: [gics-2023, epd-international-pcr-library, ef-pef-method, sentier-inventory-readme, bafu-2026-release, unsd-isic-rev4]
+updated: 2026-10-12
+sources: [gics-2023, epd-international-pcr-library, ef-pef-method, sentier-inventory-readme, bafu-2026-release, unsd-isic-rev4, sentier-inventory-pr-5]
 related: [crosswalk.md, ../../bafu/, ../../sentier/modules/sentier-inventory/]
 ---
 
@@ -45,8 +45,8 @@ Foreground data is a bill of materials, a manufacturing recipe and a use-phase
 behaviour model. Background:
 
 - [../../sentier/modules/sentier-inventory/](../../sentier/modules/sentier-inventory/) -
-  `08-materials` and `09-electronics` for product content, `04-transport` for the
-  vehicle and distribution side, `06-waste` for end of life
+  the `sector` values `materials` and `electronics` for product content, `transport`
+  for the vehicle and distribution side, `waste` for end of life
   (sentier-inventory-readme).
 - [../../bafu/](../../bafu/) - BAFU:2026 top-level categories `textiles`,
   `private consumption`, `electronics`, `flooring` and `transport systems`
@@ -89,7 +89,7 @@ and read this page for what the sector adds to them. The gap is on
 
 | Taxonomy | This sector maps onto |
 |---|---|
-| Sentier inventory folders | `08-materials`, `09-electronics`, `04-transport`, `06-waste` |
+| Sentier inventory `sector` values | `materials`, `electronics`, `transport`, `waste` |
 | BAFU:2026 top-level process categories | textiles, private consumption, electronics, flooring, transport systems |
 | ISIC Rev.4 sections | C (manufacturing), G (wholesale and retail trade), I (accommodation and food service), P (education), S (other service activities) |
 

diff --git a/core/sectors/consumer-staples.md b/core/sectors/consumer-staples.md
@@ -3,8 +3,8 @@ title: Consumer Staples
 type: sector
 summary: "Food, beverages, tobacco and household products: what an LCA of the GICS Consumer Staples sector needs and which data sources cover it."
 audience: [P1, P2]
-updated: 2026-09-22
-sources: [gics-2023, epd-international-pcr-library, ef-pef-method, sentier-inventory-readme, bafu-2026-release, unsd-isic-rev4]
+updated: 2026-10-12
+sources: [gics-2023, epd-international-pcr-library, ef-pef-method, sentier-inventory-readme, bafu-2026-release, unsd-isic-rev4, sentier-inventory-pr-5]
 related: [crosswalk.md, ../../bafu/, ../../sentier/modules/sentier-inventory/]
 ---
 
@@ -40,9 +40,9 @@ Foreground data is a farm or a factory inventory: yields, inputs, energy, and th
 emission model behind the field emissions. Background:
 
 - [../../sentier/modules/sentier-inventory/](../../sentier/modules/sentier-inventory/) -
-  the `01-agriculture` folder, which holds the highest-precedence rank in the
-  inventory, with `03-chemicals` for fertiliser and crop protection and `06-waste` for
-  residues and packaging waste (sentier-inventory-readme).
+  the `sector` value `agriculture`, the only sector that serves one GICS sector alone,
+  with `chemicals` for fertiliser and crop protection and `waste` for residues and
+  packaging waste (sentier-inventory-readme).
 - [../../bafu/](../../bafu/) - BAFU:2026 top-level categories `agricultural`,
   `food industry` and `landfarming` (bafu-2026-release).
 - [../../ecoinvent/](../../ecoinvent/) - structure only, no amounts.
@@ -85,7 +85,7 @@ data usually lacks.
 
 | Taxonomy | This sector maps onto |
 |---|---|
-| Sentier inventory folders | `01-agriculture`, `03-chemicals`, `06-waste` |
+| Sentier inventory `sector` values | `agriculture`, `chemicals`, `waste` |
 | BAFU:2026 top-level process categories | agricultural, food industry, landfarming |
 | ISIC Rev.4 sections | A (agriculture, forestry and fishing), C (manufacturing, food and beverages), G (wholesale and retail trade) |