Who asks for what?
Does the request stay within the scope declared by the service?
Locally compare declared and requested categories, check the requester and audit the transaction receipt.
// l0g lab · open assumptions
See the mechanism.Touch the assumptions.
Every tool starts with an investigation. Move the inputs, observe the result, then return to the article for facts, sources and limitations.
tools11
remote_calls0
trackingoff
modelsopen
E-invoice incident log
Can your business show what happened and what it corrected?
Document an outage, evidence, continuity channel, duplicate controls and regularisation locally.
Who can see my e-invoice?
Which actors can process the full document or its structured tax twin?
Map the regulated chain and optional access by software, accountants, banks or AI.
Approved platform cost calculator
Does the displayed price stay at zero as the business grows?
Compare publicly calculable direct costs over 36 months by volume, users, customers and API need.
The cooling adaptation quote
What does each MWh secured by adaptation really cost?
Annualise CAPEX, construction outages, OPEX and auxiliary power, then compare the bill with secured MW and derating avoided.
The model and the pump
Can an adequate zone still contain a local pocket in deficit?
Compare a bidding-zone margin with a sub-region facing the same water losses but more limited access to imports.
The reservoir arbitrator
When is stored water worth more tomorrow than today?
Compare an immediate sale, waiting, and a pumping cycle while separating published stock, reserves, unavailability and efficiency.
Thermal-discharge threshold selector
Which limit applies, and which public document supports it?
Choose a plant, date, flow and RTE context to retrieve the published rule without treating it as a river forecast.
The wet megawatt counter
How many gigawatts sit outside the observable floor because the register is incomplete?
Classify a share of classic thermal capacity as water-cooled and see the accounting effect without turning it into an outage-risk estimate.
The price of one centimetre of Danube
How many preserved operating hours would repay an intervention?
Test capacity, duration, replacement price, local lift and intervention cost without inventing a physical water-to-power relationship.
Digital euro cost simulator
Can a proposed merchant charge actually fund the whole private chain?
Adjust adoption, fees, offline use and public costs to follow the bill across merchants, PSPs and the Eurosystem.