Give every subject its own identity and keep authentic identifiers linked.
Begin with what exists. Record how it changes.
Start with the facts available about a building or asset. Add inspections, maintenance and changes over time, keeping each entry linked to its place and source. Record uncertainty so the next person can see what is known and what still needs checking.
Connect the building and its component records.
One property contains places, spaces, systems, equipment, components, products and material batches. Each is a different subject. Each can be known at a different depth. The building logbook connects their records while preserving each subject's identity.
Add evidence as it becomes available and keep unknowns explicit.
Different views can coexist over the same sourced facts.
One ordinary day can deepen several records.
Follow the water · keep the evidence with the things it touches
Connected context · distinct records
Rain meets a timber window. A technician cleans, inspects and reseals it. Water, cleaner and sealant are not one product, and maintenance is not second life. Yet the same questions follow every hand-off: what thing, where, when, who acted, under whose authority, what input was used, and what changed?
Rain reaches W-14.
Physical The south-façade opening meets one wet day.
Digital The record relates the window to its façade, room and inspection area.
Locates recorded facts · does not simulate waterCondition becomes observable.
Physical A moisture reading and photograph are taken.
Digital Source, time, method and uncertainty attach to the installed asset.
Observation · not an automated decisionThe window is cleaned and resealed.
Physical A technician performs the recorded work.
Digital Authority, cleaner and sealant batch stay distinct and link as inputs.
CPR-facing product · separate input recordsThe changed condition returns as evidence.
Physical A post-work reading records what was left behind.
Digital One event joins the building logbook and the window's continuing account.
Maintenance event · sourced resultThe account leaves with the window.
Physical It is deinstalled and considered by another project.
Digital Location and custody change; maintenance evidence remains inspectable.
Second life · the account continuesWater supplies operational context; it is not presented here as a product passport. Construction products and detergents remain subject to their own instruments, responsible actors and data requirements even when both participate in the same maintenance event.
Matter · memory · possibility Keep context from disappearing with time.
Link each asset to its location, source documents, maintenance work and the people involved. Keeping those relationships in the record helps the next person understand what happened and assess the evidence for a repair, alteration or reuse.
Stable, sourced facts let a caretaker, architect, recycler and regulator examine different possibilities while the underlying record retains its own history.
- What stays grounded thing · place · source
- What stays open unknowns · perspectives · alternatives
- What people can create repair · reuse · another life
See how Veritas relates evidence to place Read how evidence, uncertainty and possibility relate
Give what already exists a beginning.
Most things in use today were never born with a passport. A recovered wall panel may have only a photograph and a location. A legacy battery may have a serial number but no reliable composition record. That is enough to begin an asset register.
Start with exactly what someone can support today. Add condition, custody, maintenance, movement and source evidence as they arrive. Unknown stays unknown; the record becomes more useful without pretending to be complete.
Existing component
South-façade timber window
- Known now
- Timber frame · installed in place · photographed
- Still open
- Maker · model · original declaration
- Next useful act
- Assign a record identifier and attach the observation
- 01 · StartedFind it again
Record identifier · subject type · recorder · time
- 02 · DescribedKnow what is there
Place · photo · labels · observed facts · explicit unknowns
- 03 · EvidencedKnow what happened
Condition · custody · inspection · maintenance · movement
- 04 · ConnectedKeep relationships intact
Manufacturer ID · building logbook · related records · any authentic DPP
- Existing component
- Recovered material
- Legacy battery
- Electronics
- Equipment
- Textile
- Other asset
Define the record template Browse product-specific paths Follow an asset into reuse
Eight panels. One renovation window.
Aholahti Community Hall needs eight sound cross-laminated timber panels before mid-December. Kuusiranta School Annex is being carefully deconstructed. Its building record has already kept the panels findable; inspection promotes the recoverable lots into component records with dimensions, condition, source and availability.
Four public candidates reach the project. Lot A fits. Lot B lacks a condition assessment, Lot C has the wrong dimensions and Lot D becomes available too late. The architect and engineer can keep the candidate addressable while contract and financing conditions are checked; responsible people decide whether to reserve it.
Repair what is already there.
Ventilation, heating, plumbing and other installed products keep their faults, parts, work and measurements in the building logbook. Permitted evidence can reach the manufacturer without exposing the whole property record.
Prepare a component for reuse.
When maintenance is no longer the answer, a selected component moves from a coarse asset record to its own sourced record: what it is, what condition it is in, where it stands and when it can leave.
Match before the drawings harden.
Public product facts can be compared while architects, engineers, owners and financiers still have choices. Commercial terms and site access remain governed.
Across a city or property portfolio, supply and need may already coexist: one building is maintained, another deconstructed and a third renovated. The records make timing, quality, authority and later receipts visible before scopes, schedules and capital plans harden—without forcing every party into one database.
-
NEED
Eight sound panels before mid-December
The receiving project states quantity, dimensions, condition and timing.
-
FIND
One fit, three explainable exclusions
Recorded determinations keep missing evidence, wrong dimensions and late availability visible.
-
DECIDE
People reserve the candidate
The project checks design, contract and financing conditions before committing.
-
CARRY
The account moves with the panels
Removal, movement, receipt and reinstallation return to the component and building logbooks.
{
"jsonrpc": "2.0",
"id": "component-match-1",
"method": "tools/call",
"params": {
"name": "sparql_query",
"arguments": {
"query": "PREFIX dpp: <https://verifable.eu/ns/dpp#>\nSELECT ?candidate ?title ?matchStatus ?exclusionReason\nWHERE {\n ?candidate dpp:couldSupply <did:web:verifable.eu:project:aholahti-hall-renovation> ;\n dpp:title ?title ;\n dpp:matchStatus ?matchStatus ;\n dpp:exclusionReason ?exclusionReason .\n}\nLIMIT 12"
}
}
}The records in this worked example are illustrative. The query retrieves the recorded match and exclusion reasons; it does not calculate suitability. Load the scenario data before calling it through the hosted MCP binding.
Inspect the MCP capability boundary Follow the building logbook Follow maintenance work
A useful record can precede the applicable passport.
The recast Construction Products Regulation establishes a construction Digital Product Passport system and requires it to remain interoperable with the ESPR passport system. An existing-asset record can preserve useful facts before every regulatory field is known; it becomes neither a conformity claim nor a DPP merely by growing deeper.
The same product record can continue through offsite manufacture, transport, installation, maintenance and later reuse. Compliance data becomes part of renovation work instead of a file produced once and forgotten.
-
BEGIN
Record the useful minimum
Identify a new, existing or reclaimed thing and preserve the facts, source and unknowns available now.
-
DEEPEN
Connect evidence through time
Keep place, condition, work, custody and authentic identifiers linked as the asset changes.
-
ISSUE
Create the applicable CPR passport
The responsible economic operator issues the distinct, validated passport against the applicable product rules and profile.
Shape a construction reference with us Check exact construction readiness