SENTINEL
Memory
Command CenterMemory ExplorerIncident TimelineAgent HandoffArchitecture

System status

CockroachDB

sentinel-memory-32275.j77.aws-us-east-1.cockroachlabs.cloud:26257 · 74ms

Vector index

18 memories · 1024d

Bedrock

us-east-1 · nova-lite-v1:0

Decision support only. Sentinel has no machinery control path.

LIVECockroachDBBedrockA. Reyes (Shift Lead)

Sentinel provides decision support. Critical physical actions require authorized human approval.

Incident Timeline & Audit Trail

INC-2026-0817 · Smoke detected near Machine 7

This timeline is reconstructed from durable memory events in CockroachDB — not from a conversation transcript held in an agent's context.

Filters

44 of 44 events

Event stream

  1. Incident createdsystem-generatedSentinel8/17/26, 8:42:00 AM

    Incident INC-2026-0817 opened: smoke detected near Machine 7, Assembly Plant Zone 4. Severity critical.

    event …00000020committed
  2. Observationsystem-generatedThermal sensor TS-7A8/17/26, 8:43:00 AM

    Smoke detected near Machine 7 following a thermal sensor alarm on the drive housing.

    event …00000021committed
  3. Observationhuman-enteredA. Reyes (Shift Lead)8/17/26, 8:46:00 AM

    Worker exited restricted Zone 4 and is accounted for at the muster point.

    event …00000022committed
  4. Observationsystem-generatedPressure sensor PT-8B8/17/26, 8:48:00 AM

    Pressure reading increasing on the Machine 8 header; currently 12% above nominal and rising slowly.

    event …00000023committed
  5. Observationsystem-generatedCell power monitor8/17/26, 8:49:00 AM

    Main power to the Zone 4 cell remains active; Machine 7 is still energized.

    event …00000024committed
  6. Observationhuman-enteredA. Reyes (Shift Lead)8/18/26, 2:04:34 AM

    Smoke intensity increasing near the Machine 7 drive housing.

    event …77f9e624committed
  7. Memory retrievedsystem-generatedSentinel8/18/26, 2:04:34 AM

    Retrieved 3 similar memories from CockroachDB vector index in 249ms. Closest: INC-2025-0709 at 6.3% similarity.

    event …484d0ff1249ms3 memories citedcommitted
  8. RecommendationAI-generatedSentinel8/18/26, 2:04:36 AM

    Recommended: Immediately isolate the shared pressure line between Machine 7 and Machine 8 before any further action is taken.

    event …7d9f7112risk: criticalvia amazon.nova-lite-v1:0audit decision:alternative_requested · 007bdc28committed
  9. Consequence warningAI-generatedSentinel8/18/26, 2:04:36 AM

    Consequence warning from INC-2025-0709: "Full line stop called on a single unverified sensor reading." previously led to "No hazard present. Forty minutes of unnecessary downtime. Sensor lead replaced.".

    event …8e22211csimilarity: 6.3%committed
  10. Human decisionhuman-enteredA. Reyes (Shift Lead)8/18/26, 2:04:42 AM

    Requested an alternative to: "Immediately isolate the shared pressure line between Machine 7 and Machine 8 before any further action is taken."

    event …87d7089baudit decision:alternative_requested · 007bdc28committed
  11. Notehuman-enteredA. Reyes (Shift Lead)8/18/26, 2:04:43 AM

    Responder is considering: The responder rejected "Immediately isolate the shared pressure line between Machine 7 and Machine 8 before any further action is taken." and requested a different approach.

    event …9c543014committed
  12. Memory retrievedsystem-generatedSentinel8/18/26, 2:04:43 AM

    Retrieved 3 similar memories from CockroachDB vector index in 235ms. Closest: INC-2025-0412 at 5.8% similarity.

    event …f2cc8db3235ms3 memories citedcommitted
  13. RecommendationAI-generatedSentinel8/18/26, 2:04:45 AM

    Recommended: Do not isolate the shared pressure line between Machine 7 and Machine 8 until the smoke source is identified and contained. Request immediate human approval to proceed with the isolation if it is safe to do so.

    event …fe07e2b2risk: criticalvia amazon.nova-lite-v1:0audit created · c93ad291committed
  14. Consequence warningAI-generatedSentinel8/18/26, 2:04:45 AM

    Consequence warning from INC-2025-0412: "Machine 7 was restarted before pressure isolation." previously led to "Residual pressure transferred through the shared header toward Machine 8 within 90 seconds.".

    event …755ac7cdsimilarity: 5.8%committed
  15. Observationhuman-enteredA. Reyes (Shift Lead)8/18/26, 2:29:29 AM

    Smoke intensity increasing near the Machine 7 drive housing.

    event …391c56ffcommitted
  16. Memory retrievedsystem-generatedSentinel8/18/26, 2:29:30 AM

    Retrieved 3 similar memories from CockroachDB vector index in 203ms. Closest: INC-2025-0412 at 77.3% similarity.

    event …e9b0a535203ms3 memories citedcommitted
  17. RecommendationAI-generatedSentinel8/18/26, 2:29:31 AM

    Recommended: Isolate the shared pressure line between Machine 7 and Machine 8 before taking any further action on Machine 7.

    event …5912806crisk: criticalvia amazon.nova-lite-v1:0audit decision:approved · 3ccd4c51committed
  18. Consequence warningAI-generatedSentinel8/18/26, 2:29:31 AM

    Consequence warning from INC-2025-0412: "Machine 7 was restarted before pressure isolation." previously led to "Secondary equipment damage near Machine 8. No personnel injury. Eleven-hour operational shutdown.".

    event …e9adace3similarity: 77.3%committed
  19. Human decisionhuman-enteredA. Reyes (Shift Lead)8/18/26, 2:33:40 AM

    Approved recommended action: "Isolate the shared pressure line between Machine 7 and Machine 8 before taking any further action on Machine 7."

    event …4372e818audit decision:approved · 3ccd4c51committed
  20. State changesystem-generatedSentinel8/18/26, 2:33:40 AM

    Incident state updated: status active -> active, phase containment -> stabilization.

    event …a89392dfcommitted
  21. Observationhuman-enteredA. Reyes (Shift Lead)8/18/26, 2:35:37 AM

    Pressure is rising near Machine 8.

    event …4559c450committed
  22. Memory retrievedsystem-generatedSentinel8/18/26, 2:35:37 AM

    Retrieved 3 similar memories from CockroachDB vector index in 368ms. Closest: INC-2025-0412 at 78.9% similarity.

    event …db520817368ms3 memories citedcommitted
  23. RecommendationAI-generatedSentinel8/18/26, 2:35:39 AM

    Recommended: Immediately isolate and verify the shared pressure line between Machine 7 and Machine 8 before any further action is taken.

    event …5514c2b5risk: criticalvia amazon.nova-lite-v1:0audit created · 347c2961committed
  24. Consequence warningAI-generatedSentinel8/18/26, 2:35:39 AM

    Consequence warning from INC-2025-0412: "Machine 7 was restarted before pressure isolation." previously led to "Secondary equipment damage near Machine 8. No personnel injury. Eleven-hour operational shutdown.".

    event …75d633f9similarity: 78.9%committed
  25. Notehuman-enteredA. Reyes (Shift Lead)8/18/26, 2:36:26 AM

    Responder is considering: Shut down and restart Machine 7 immediately to stop the smoke.

    event …39aad861committed
  26. Memory retrievedsystem-generatedSentinel8/18/26, 2:36:26 AM

    Retrieved 3 similar memories from CockroachDB vector index in 118ms. Closest: INC-2025-0412 at 81.9% similarity.

    event …4d2829d3118ms3 memories citedcommitted
  27. RecommendationAI-generatedSentinel8/18/26, 2:36:28 AM

    Recommended: Do not shut down and restart Machine 7 immediately. First, isolate and verify the shared pressure line between Machine 7 and Machine 8.

    event …ac485fbcrisk: criticalvia amazon.nova-lite-v1:0audit decision:approved · bdc6273ecommitted
  28. Consequence warningAI-generatedSentinel8/18/26, 2:36:28 AM

    Consequence warning from INC-2025-0412: "Machine 7 was restarted before pressure isolation." previously led to "Secondary equipment damage near Machine 8. No personnel injury. Eleven-hour operational shutdown.".

    event …edad633dsimilarity: 81.9%committed
  29. Agent handoffAI-generatedSentinel8/18/26, 2:37:38 AM

    Incident handed off from Sentinel Primary to Sentinel Backup. Continuity briefing generated from durable memory.

    event …88d6063ecommitted
  30. State changesystem-generatedSentinel8/18/26, 3:31:19 AM

    Incident state updated: status active -> active, phase stabilization -> recovery.

    event …0057c310committed
  31. Human decisionhuman-enteredA. Reyes (Shift Lead)8/18/26, 3:31:19 AM

    Approved recommended action: "Do not shut down and restart Machine 7 immediately. First, isolate and verify the shared pressure line between Machine 7 and Machine 8."

    event …ee4e1188audit decision:approved · bdc6273ecommitted
  32. Notehuman-enteredA. Reyes (Shift Lead)8/18/26, 3:58:10 AM

    Responder is considering: Shut down and restart Machine 7 immediately to stop the smoke.

    event …24fc823fcommitted
  33. Memory retrievedsystem-generatedSentinel8/18/26, 3:58:10 AM

    Retrieved 3 similar memories from CockroachDB vector index in 128ms. Closest: INC-2025-0412 at 81.9% similarity.

    event …82d3475c128ms3 memories citedcommitted
  34. RecommendationAI-generatedSentinel8/18/26, 3:58:12 AM

    Recommended: Do not shut down and restart Machine 7 immediately. First, isolate and verify the shared pressure line between Machine 7 and Machine 8.

    event …796e3af4risk: criticalvia amazon.nova-lite-v1:0audit decision:approved · 425aff34committed
  35. Consequence warningAI-generatedSentinel8/18/26, 3:58:12 AM

    Consequence warning from INC-2025-0412: "Machine 7 was restarted before pressure isolation." previously led to "Secondary equipment damage near Machine 8. No personnel injury. Eleven-hour operational shutdown.".

    event …23da80f1similarity: 81.9%committed
  36. Human decisionhuman-enteredA. Reyes (Shift Lead)8/18/26, 3:58:31 AM

    Approved recommended action: "Do not shut down and restart Machine 7 immediately. First, isolate and verify the shared pressure line between Machine 7 and Machine 8."

    event …dd4eb2dfaudit decision:approved · 425aff34committed
  37. State changesystem-generatedSentinel8/18/26, 3:58:31 AM

    Incident state updated: status active -> active, phase recovery -> review.

    event …c14cfa71committed
  38. Agent handoffAI-generatedSentinel8/18/26, 3:59:26 AM

    Incident handed off from Sentinel Primary to Sentinel Backup. Continuity briefing generated from durable memory.

    event …532d9cd0committed
  39. Notehuman-enteredA. Reyes (Shift Lead)8/18/26, 4:02:26 AM

    Responder is considering: Shut down and restart Machine 7 immediately to stop the smoke.

    event …62cd1b33committed
  40. Memory retrievedsystem-generatedSentinel8/18/26, 4:02:26 AM

    Retrieved 3 similar memories from CockroachDB vector index in 280ms. Closest: INC-2025-0412 at 81.9% similarity.

    event …7af81f56280ms3 memories citedcommitted
  41. RecommendationAI-generatedSentinel8/18/26, 4:02:28 AM

    Recommended: Do not shut down and restart Machine 7 immediately. First, isolate the shared pressure line between Machine 7 and Machine 8.

    event …9eb6f9darisk: criticalvia amazon.nova-lite-v1:0audit decision:approved · 89e15ea3committed
  42. Consequence warningAI-generatedSentinel8/18/26, 4:02:28 AM

    Consequence warning from INC-2025-0412: "Machine 7 was restarted before pressure isolation." previously led to "Secondary equipment damage near Machine 8. No personnel injury. Eleven-hour operational shutdown.".

    event …cf71ebbdsimilarity: 81.9%committed
  43. Human decisionhuman-enteredA. Reyes (Shift Lead)8/18/26, 4:02:41 AM

    Approved recommended action: "Do not shut down and restart Machine 7 immediately. First, isolate the shared pressure line between Machine 7 and Machine 8."

    event …0f5b053baudit decision:approved · 89e15ea3committed
  44. Agent handoffAI-generatedSentinel8/18/26, 4:03:15 AM

    Incident handed off from Sentinel Primary to Sentinel Backup. Continuity briefing generated from durable memory.

    event …5069e2e5committed

Audit trail

Immutable records written in the same transaction as the state change they describe.

TimeEntityActionActorBefore → after
8/18/26, 2:04:36 AMrecommendation05afa304createdamazon.nova-lite-v1:0—→confidence=0.6 riskLevel=critical status=pending
8/18/26, 2:04:42 AMrecommendation05afa304decision:alternative_requestedA. Reyes (Shift Lead)phase=containment recommendationStatus=pending status=active→phase=containment recommendationStatus=superseded status=active
8/18/26, 2:04:45 AMrecommendation234a0c3fcreatedamazon.nova-lite-v1:0—→confidence=0.6 riskLevel=critical status=pending
8/18/26, 2:29:31 AMrecommendation21b1c8d8createdamazon.nova-lite-v1:0—→confidence=0.773 riskLevel=critical status=pending
8/18/26, 2:33:40 AMrecommendation21b1c8d8decision:approvedA. Reyes (Shift Lead)phase=containment recommendationStatus=pending status=active→phase=stabilization recommendationStatus=approved status=active
8/18/26, 2:35:39 AMrecommendationa61aaeb3createdamazon.nova-lite-v1:0—→confidence=0.85 riskLevel=critical status=pending
8/18/26, 2:36:28 AMrecommendation09bb3c96createdamazon.nova-lite-v1:0—→confidence=0.82 riskLevel=critical status=pending
8/18/26, 2:37:38 AMhandoffa5c33cabcreatedamazon.nova-lite-v1:0assignedAgent=Sentinel Primary→assignedAgent=Sentinel Backup
8/18/26, 3:31:19 AMrecommendation09bb3c96decision:approvedA. Reyes (Shift Lead)phase=stabilization recommendationStatus=pending status=active→phase=recovery recommendationStatus=approved status=active
8/18/26, 3:58:12 AMrecommendation8a9cfe4ecreatedamazon.nova-lite-v1:0—→confidence=0.819 riskLevel=critical status=pending
8/18/26, 3:58:31 AMrecommendation8a9cfe4edecision:approvedA. Reyes (Shift Lead)phase=recovery recommendationStatus=pending status=active→phase=review recommendationStatus=approved status=active
8/18/26, 3:59:26 AMhandoff96d68ba3createdamazon.nova-lite-v1:0assignedAgent=Sentinel Primary→assignedAgent=Sentinel Backup
8/18/26, 4:02:28 AMrecommendation3d7d4c41createdamazon.nova-lite-v1:0—→confidence=0.82 riskLevel=critical status=pending
8/18/26, 4:02:41 AMrecommendation3d7d4c41decision:approvedA. Reyes (Shift Lead)phase=review recommendationStatus=pending status=active→phase=review recommendationStatus=approved status=active
8/18/26, 4:03:15 AMhandoff3ef271aacreatedamazon.nova-lite-v1:0assignedAgent=Sentinel Primary→assignedAgent=Sentinel Backup