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Public AI signal chronicle

What changed across the public AI landscape?

The signal chronicle preserves changes across our public data projections in a complete private append-only archive. This page presents a bounded, balanced publication window with stable identifiers, observation times and original sources.

Complete private append-only archiveBounded, balanced publication windowObservation and effective time stay separateNo generative AI model
Chronicle generated 15 Oct 2026, 10:35Observed since 17 Jul 2026Revision 518Schema ki-signalchronik.public.v1
chronicle events14,364immutable observations in the complete private archive, 52 of them hidden from the public window (outdated input)
newly observed8,183first appeared in a later projection
changed subjects7,903stable identifiers with at least one change
covered data lanes8active and paused lanes
The critical time boundary

Observed does not mean effective

The chronicle separates when we observed a change from an effective date stated by the source. If a record is missing in a later run, it is not automatically deleted or withdrawn.

observedAt ≠ effectiveAt
1,000 results
Append-only change feed

Every change remains in the complete archive

The private archive preserves every event immutably. This public page shows a bounded, balanced window grouped by observation time; open the record-level evidence or jump into the matching data tool to inspect the current state.

52 events are hidden here because they came from an outdated input and its reversal by the next current state, not from a change in the source. The private archive keeps them.

40 of 253 events
  1. NewPublic procurement

    SAP-Beratung

    Effective in the source:
    Observation state set
    Not observedobserved
  2. NewPublic procurement

    KI-Assistent für die Wohngeldstelle

    Effective in the source:
    Observation state set
    Not observedobserved
  3. NewPublic procurement

    Rahmenvereinbarung Umsetzung Thüringen Road

    Effective in the source:
    Observation state set
    Not observedobserved
  4. NewPatents

    docdb:76708184

    Effective in the source:
    Observation state set
    Not observedobserved
  5. NewPatents

    docdb:89984758

    Effective in the source:
    Observation state set
    Not observedobserved
  6. NewPatents

    docdb:81654932

    Effective in the source:
    Observation state set
    Not observedobserved
  7. NewPatents

    docdb:101459529

    Effective in the source:
    Observation state set
    Not observedobserved
  8. NewPatents

    docdb:101459809

    Effective in the source:
    Observation state set
    Not observedobserved
  9. NewPatents

    docdb:101460101

    Effective in the source:
    Observation state set
    Not observedobserved
  10. NewPatents

    docdb:86764981

    Effective in the source:
    Observation state set
    Not observedobserved
  11. NewPatents

    docdb:89849966

    Effective in the source:
    Observation state set
    Not observedobserved
  12. NewPatents

    docdb:101460003

    Effective in the source:
    Observation state set
    Not observedobserved
  13. NewPatents

    docdb:87574258

    Effective in the source:
    Observation state set
    Not observedobserved
  14. NewPatents

    docdb:80949052

    Effective in the source:
    Observation state set
    Not observedobserved
  15. NewPatents

    docdb:101461226

    Effective in the source:
    Observation state set
    Not observedobserved
  16. NewPatents

    docdb:101459908

    Effective in the source:
    Observation state set
    Not observedobserved
  17. NewPatents

    docdb:78080329

    Effective in the source:
    Observation state set
    Not observedobserved
  18. NewPatents

    docdb:101459905

    Effective in the source:
    Observation state set
    Not observedobserved
  19. NewPatents

    docdb:101460298

    Effective in the source:
    Observation state set
    Not observedobserved
  20. NewPatents

    docdb:101462023

    Effective in the source:
    Observation state set
    Not observedobserved
  21. NewPatents

    docdb:101459957

    Effective in the source:
    Observation state set
    Not observedobserved
  22. NewPatents

    docdb:101460011

    Effective in the source:
    Observation state set
    Not observedobserved
  23. NewPatents

    docdb:101459976

    Effective in the source:
    Observation state set
    Not observedobserved
  24. NewPatents

    docdb:76377753

    Effective in the source:
    Observation state set
    Not observedobserved
  25. NewPatents

    docdb:101459954

    Effective in the source:
    Observation state set
    Not observedobserved
  26. NewPatents

    docdb:88505535

    Effective in the source:
    Observation state set
    Not observedobserved
  27. NewPatents

    docdb:90829194

    Effective in the source:
    Observation state set
    Not observedobserved
  28. NewPatents

    docdb:76641725

    Effective in the source:
    Observation state set
    Not observedobserved
  29. NewPatents

    docdb:101459959

    Effective in the source:
    Observation state set
    Not observedobserved
  30. NewPatents

    docdb:100590809

    Effective in the source:
    Observation state set
    Not observedobserved
  31. NewPatents

    docdb:101459998

    Effective in the source:
    Observation state set
    Not observedobserved
  32. NewPatents

    docdb:89906819

    Effective in the source:
    Observation state set
    Not observedobserved
  33. NewPatents

    docdb:101459760

    Effective in the source:
    Observation state set
    Not observedobserved
  34. NewPatents

    docdb:101461789

    Effective in the source:
    Observation state set
    Not observedobserved
  35. NewPatents

    docdb:86851738

    Effective in the source:
    Observation state set
    Not observedobserved
  36. NewPatents

    docdb:101459965

    Effective in the source:
    Observation state set
    Not observedobserved
  37. NewPatents

    docdb:101460841

    Effective in the source:
    Observation state set
    Not observedobserved
  38. NewPatents

    docdb:101459999

    Effective in the source:
    Observation state set
    Not observedobserved
  39. NewPatents

    docdb:101461831

    Effective in the source:
    Observation state set
    Not observedobserved
  40. NewPatents

    docdb:71403994

    Effective in the source:
    Observation state set
    Not observedobserved
Deterministic method

From a snapshot to an auditable event

The chronicle compares versioned projections by stable identifier. It describes differences without inventing reasons, impact or identities.

  1. 1
    Preserve the snapshot

    Every successful source state receives an immutable timestamp and revision.

  2. 2
    Canonicalize identifiers

    Subjects are recognized across runs only through published stable source identifiers.

  3. 3
    Compare fields

    Versioned rules distinguish the baseline, new records, updates, corrections and explicit withdrawals.

  4. 4
    Append the event

    The difference enters the chronicle with before, after, provenance and a direct link.

Collection, comparison, classification and presentation use no generative AI model.

Source snapshots

Every input retains its own timestamp

The chronicle run does not replace individual source dates. Open the original evidence when you need to inspect a change in context.

15 Oct 2026, 04:23AI patent families with German association signalsOpen source ↗

How to read the chronicle correctly

  • The baseline is a first observation, not a historical change.
  • A change may have become effective before it was first observed.
  • A missing record is not a withdrawal without an explicit source signal.
  • A correction describes a changed source state and does not automatically imply an error by the organization concerned.
  • Bounded data lanes are never extrapolated to a supposed full population.
  • If a source falls back to an older state, its lane stays at the newer state until the source catches up.
  • Temporal sequence proves neither cause nor impact.

Frequently asked questions

Is the baseline a list of earlier changes?
No. It documents only what existed when longitudinal observation began. Real changes arise only from comparison with later successful snapshots.
Why are there two timestamps?
observedAt shows when our collector recognized a difference. effectiveAt contains an effective time only when the source itself supplies one. The two can be far apart.
Does a disappearing record mean it was deleted?
No. A record may be temporarily absent, a source may change its coverage, or a run may be bounded. A withdrawal appears only when there is an explicit and reliable source signal.
How are subjects recognized across runs?
Only through stable source identifiers or published exact identifier crosswalks. Matching or similar names never create an automatic connection.
Does the signal chronicle use generative AI?
No. Snapshotting, normalization, comparison, event classification and presentation follow versioned deterministic rules.

Want to track changes in public data reliably?

We build append-only data chronicles, collectors and evidence products with stable identifiers and verifiable provenance.

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Useful next steps

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IndexPublic AI outcome ledgerFollow public AI funding from projects and organizations to reported outputs and citations. Every connection retains its evidence; patents and procurement appear only with exact identifier bridges.IndexPublic AI actorsSearch organizations across funding, research, procurement, influence and infrastructure. Every role stays tied to its source; matching names are queued for review only.IndexAI innovation pathFollow evidence-backed links from EU funding to reported research outputs—and see exactly where patents or procurement cannot yet be joined safely.