{ "schemaVersion": 1, "publicSummaryVersion": "2026-09-30", "classification": "PUBLIC", "title": "Evidence-backed claims and their limits", "summary": "The claim register updated on 13 October 2026 contains 34 bounded claims covering memory continuity, checkpoint restoration, replay billing, verified work and a production agent-session canary. Each claim links to its own dated evidence and limits. The replay-billing claims hold again: a call retried after a resume could be billed twice from 20 September to 6 October 2026, and the paid gateway test re-ran green on 13 October 2026. The register does not establish universal compatibility, guaranteed performance, an effective spending ceiling for unpriced usage or a savings rate. Current availability is stated separately on Proof.", "date": "13 October 2026 register update; individual historical test dates are shown.", "scope": "Published register or policy snapshot; per-item scope and dates apply.", "result": "The claim register updated on 13 October 2026 contains 34 bounded claims covering memory continuity, checkpoint restoration, replay billing, verified work and a production agent-session canary. Each claim links to its own dated evidence and limits. The replay-billing claims hold again: a call retried after a resume could be billed twice from 20 September to 6 October 2026, and the paid gateway test re-ran green on 13 October 2026. The register does not establish universal compatibility, guaranteed performance, an effective spending ceiling for unpriced usage or a savings rate. Current availability is stated separately on Proof.", "sections": [ { "title": "Recorded claims and their boundaries", "items": [ { "id": "claim-01", "title": "Memory continuity", "text": "A microVM retained its in-memory state after the tested abrupt process loss.", "status": "Historical recorded result", "date": "28 July 2026", "scope": "Historical record; any production observation is limited to the dated test described below.", "result": "A microVM retained its in-memory state after the tested abrupt process loss.", "limitation": "Counter guest, not AI agent Read-only filesystem test Laboratory, not production", "href": "/evidence/phase-1" }, { "id": "claim-02", "title": "Session lifecycle", "text": "Session control retained continuity through the tested kill-and-resume lifecycle.", "status": "Historical recorded result", "date": "28 July 2026", "scope": "Laboratory or bench evidence; production behavior is not inferred from it.", "result": "Session control retained continuity through the tested kill-and-resume lifecycle.", "limitation": "Clock resynchronization untested General-image smoke result is data only Laboratory scope", "href": "/evidence/phase-2a" }, { "id": "claim-03", "title": "Portable checkpoint objects", "text": "A second service instance on the same laboratory host restored a checkpoint from its durable objects. This test alone is not cross-host recovery.", "status": "Historical recorded result", "date": "28 July 2026", "scope": "Laboratory or bench evidence; production behavior is not inferred from it.", "result": "A second service instance on the same laboratory host restored a checkpoint from its durable objects. This test alone is not cross-host recovery.", "limitation": "Second instance on same host Compatible software/local storage Not cross-host recovery Branch divergence not steering", "href": "/evidence/phase-2b" }, { "id": "claim-04", "title": "Crash-consistent publication", "text": "The tested interrupted checkpoint publication preserved the previous usable checkpoint.", "status": "Historical recorded result", "date": "28 July 2026", "scope": "Laboratory or bench evidence; production behavior is not inferred from it.", "result": "The tested interrupted checkpoint publication preserved the previous usable checkpoint.", "limitation": "Second instance on same host Compatible software/local storage Not cross-host recovery Branch divergence not steering", "href": "/evidence/phase-2b" }, { "id": "claim-05", "title": "Corruption is refused", "text": "A deliberately corrupted checkpoint was refused rather than restored.", "status": "Historical recorded result", "date": "28 July 2026", "scope": "Laboratory or bench evidence; production behavior is not inferred from it.", "result": "A deliberately corrupted checkpoint was refused rather than restored.", "limitation": "Second instance on same host Compatible software/local storage Not cross-host recovery Branch divergence not steering", "href": "/evidence/phase-2b" }, { "id": "claim-06", "title": "Billing reconciliation across resume", "text": "The tested interrupted session reconciled its recorded usage on resume.", "status": "Historical recorded result", "date": "28 July 2026", "scope": "Laboratory or bench evidence; production behavior is not inferred from it.", "result": "The tested interrupted session reconciled its recorded usage on resume.", "limitation": "Claude Code client scope Client retry behavior separate Task outcome not asserted Some billing checks alone remain true in degraded system", "href": "/evidence/phase-3" }, { "id": "claim-07", "title": "Two live provider families", "text": "A bounded fixture completed through each of two live provider families. Arbitrary-provider support is not claimed; translation has a separate scope.", "status": "Historical recorded result", "date": "6 September 2026", "scope": "Historical evidence; the scope and environment are described in the recorded result.", "result": "A bounded fixture completed through each of two live provider families. Arbitrary-provider support is not claimed; translation has a separate scope.", "limitation": "One bounded fixture in two provider families Initial attempts were deliberately resource-constrained No external publication or general success rate", "href": "/evidence/phase-l-1" }, { "id": "claim-08", "title": "At-most-once billing", "text": "The recorded correction rejected duplicate billing in the tested cases. It does not establish all future provider or client behavior. From 20 September to 6 October 2026 a call retried after a resume could be billed twice. The fix is in the production gateway since 6 October 2026, and the paid gateway test re-ran green on 13 October 2026.", "status": "Historical recorded result; re-run green 13 October 2026", "date": "25 August 2026", "scope": "Historical record; any production observation is limited to the dated test described below.", "result": "The recorded correction rejected duplicate billing in the tested cases. It does not establish all future provider or client behavior. From 20 September to 6 October 2026 a call retried after a resume could be billed twice. The fix is in the production gateway since 6 October 2026, and the paid gateway test re-ran green on 13 October 2026.", "limitation": "Laboratory regression scope Missing measurements are unavailable, not zero. No current production proof. From 20 September to 6 October 2026 a call retried after a resume could be billed twice. The fix is in the production gateway since 6 October 2026, and the paid gateway test re-ran green on 13 October 2026.", "href": "/evidence/patch-v0.1.2" }, { "id": "claim-09", "title": "Session-state persistence", "text": "A storage-replacement test retained session metadata after correction; unavailable persistence refused transitions.", "status": "Historical recorded result", "date": "25 August 2026", "scope": "Historical record; any production observation is limited to the dated test described below.", "result": "A storage-replacement test retained session metadata after correction; unavailable persistence refused transitions.", "limitation": "Seeded records, no VM or model calls Laboratory scope No production recovery claim", "href": "/evidence/patch-v0.1.3" }, { "id": "claim-10", "title": "Claude Code interrupted-call replay", "text": "The recorded Claude Code retry received its stored response without additional billed usage. Client retry behavior remains agent-specific. From 20 September to 6 October 2026 a call retried after a resume could be billed twice. The fix is in the production gateway since 6 October 2026, and the paid gateway test re-ran green on 13 October 2026.", "status": "Historical recorded result; re-run green 13 October 2026", "date": "28 July 2026", "scope": "Laboratory or bench evidence; production behavior is not inferred from it.", "result": "The recorded Claude Code retry received its stored response without additional billed usage. Client retry behavior remains agent-specific. From 20 September to 6 October 2026 a call retried after a resume could be billed twice. The fix is in the production gateway since 6 October 2026, and the paid gateway test re-ran green on 13 October 2026.", "limitation": "Claude Code client scope Client retry behavior separate Task outcome not asserted Some billing checks alone remain true in degraded system. From 20 September to 6 October 2026 a call retried after a resume could be billed twice. The fix is in the production gateway since 6 October 2026, and the paid gateway test re-ran green on 13 October 2026.", "href": "/evidence/phase-3" }, { "id": "claim-11", "title": "Unattended interruption demo", "text": "The historical demonstration completed without manual intervention and measured 25.2 seconds of downtime.", "status": "Historical recorded result", "date": "29 July 2026", "scope": "Laboratory or bench evidence; production behavior is not inferred from it.", "result": "The historical demonstration completed without manual intervention and measured 25.2 seconds of downtime.", "limitation": "Alive after resume, not task completion Component timings reported, not all asserted Dollar figures estimated Single laboratory demonstration", "href": "/evidence/phase-4" }, { "id": "claim-12", "title": "Accepted work with bounded authorization", "text": "Two live task arms produced accepted artifacts and reconciled accounting. Publication stopped at authorization; no external pull request was created.", "status": "Historical recorded result", "date": "6 September 2026", "scope": "Historical evidence; the scope and environment are described in the recorded result.", "result": "Two live task arms produced accepted artifacts and reconciled accounting. Publication stopped at authorization; no external pull request was created.", "limitation": "One bounded fixture in two provider families Initial attempts were deliberately resource-constrained No external publication or general success rate", "href": "/evidence/phase-l-1" }, { "id": "claim-13", "title": "Memory and files after resume", "text": "The named laboratory tests retained memory and checkpointed files through interruption. Task completion is still reported per run.", "status": "Historical recorded result", "date": "29 July 2026", "scope": "Laboratory or bench evidence; production behavior is not inferred from it.", "result": "The named laboratory tests retained memory and checkpointed files through interruption. Task completion is still reported per run.", "limitation": "Alive after resume, not task completion Component timings reported, not all asserted Dollar figures estimated Single laboratory demonstration", "href": "/evidence/phase-4" }, { "id": "claim-14", "title": "Fork creation and isolation", "text": "Three branches had separate changed files; hosted fork creation produced owned children. Creation and isolation alone do not prove useful branch work or successful later resume.", "status": "Historical recorded result", "date": "29 July 2026", "scope": "Laboratory or bench evidence; production behavior is not inferred from it.", "result": "Three branches had separate changed files; hosted fork creation produced owned children. Creation and isolation alone do not prove useful branch work or successful later resume.", "limitation": "Marker written by test harness Isolation is not agent obedience Laboratory scope", "href": "/evidence/phase-5" }, { "id": "claim-15", "title": "Branch steering", "text": "The tested branches received distinct steering while their pre-steering input stayed equivalent.", "status": "Historical recorded result", "date": "29 July 2026", "scope": "Laboratory or bench evidence; production behavior is not inferred from it.", "result": "The tested branches received distinct steering while their pre-steering input stayed equivalent.", "limitation": "Marker written by test harness Isolation is not agent obedience Laboratory scope", "href": "/evidence/phase-5" }, { "id": "claim-16", "title": "Durability sample", "text": "25/25 fresh cycles passed, with a 95% Wilson interval of 86.7%–100%. Later soak configurations are separate results, including a failed run.", "status": "Historical recorded result", "date": "31 July 2026", "scope": "Laboratory or bench evidence; production behavior is not inferred from it.", "result": "25/25 fresh cycles passed, with a 95% Wilson interval of 86.7%–100%. Later soak configurations are separate results, including a failed run.", "limitation": "One soak/one workload Original preserved artifact destroyed; original restoration not performed Replacement restoration is distinct 25-cycle confidence limits remain visible", "href": "/evidence/phase-6" }, { "id": "claim-17", "title": "Aged checkpoint", "text": "A preserved checkpoint aged 15.2 hours resumed in 14.3 seconds in the recorded test. The original artifact was later destroyed, limiting direct re-verification.", "status": "Historical recorded result", "date": "31 July 2026", "scope": "Laboratory or bench evidence; production behavior is not inferred from it.", "result": "A preserved checkpoint aged 15.2 hours resumed in 14.3 seconds in the recorded test. The original artifact was later destroyed, limiting direct re-verification.", "limitation": "One soak/one workload Original preserved artifact destroyed; original restoration not performed Replacement restoration is distinct 25-cycle confidence limits remain visible", "href": "/evidence/phase-6" }, { "id": "claim-18", "title": "Storage reduction in the measured workload", "text": "An 82-checkpoint run used 4,233 MiB rather than a naive 80,952 MiB. This sample does not promise a storage ratio for other workloads.", "status": "Historical recorded result", "date": "31 July 2026", "scope": "Laboratory or bench evidence; production behavior is not inferred from it.", "result": "An 82-checkpoint run used 4,233 MiB rather than a naive 80,952 MiB. This sample does not promise a storage ratio for other workloads.", "limitation": "One soak/one workload Original preserved artifact destroyed; original restoration not performed Replacement restoration is distinct 25-cycle confidence limits remain visible", "href": "/evidence/phase-6" }, { "id": "claim-19", "title": "Measured memory use", "text": "The historical seven-hour soak reported no peak resident-memory growth for its two measured services. It is not a general no-leak proof.", "status": "Historical recorded result", "date": "31 July 2026", "scope": "Laboratory or bench evidence; production behavior is not inferred from it.", "result": "The historical seven-hour soak reported no peak resident-memory growth for its two measured services. It is not a general no-leak proof.", "limitation": "One soak/one workload Original preserved artifact destroyed; original restoration not performed Replacement restoration is distinct 25-cycle confidence limits remain visible", "href": "/evidence/phase-6" }, { "id": "claim-20", "title": "Host-loss recovery and billing continuity", "text": "A same-region host-loss test resumed checkpointed sessions and reconciled carried spending on a replacement host. Continuous failover, cross-region recovery and a recovery-time objective remain unclaimed.", "status": "Historical recorded result", "date": "6 September 2026", "scope": "Historical record; any production observation is limited to the dated test described below.", "result": "A same-region host-loss test resumed checkpointed sessions and reconciled carried spending on a replacement host. Continuous failover, cross-region recovery and a recovery-time objective remain unclaimed.", "limitation": "47 seconds is one run’s deallocation-to-reconciliation measurement. Shared storage and separately tested guest recovery are dependencies. Settlement remains blocked until reconciliation completes. Production enablement is a separate 7 September addendum.", "href": "/evidence/phase-fo-1b" }, { "id": "claim-21", "title": "Approved acceptance checks", "text": "A laboratory test refused an unapproved or changed task contract and changed tests before executing work.", "status": "Historical recorded result", "date": "16 September 2026", "scope": "Historical record; any production observation is limited to the dated test described below.", "result": "A laboratory test refused an unapproved or changed task contract and changed tests before executing work.", "limitation": "Only pytest and Go test discovery covered. Laboratory client and recording service; no live execution proved.", "href": "/evidence/phase-cr-1" }, { "id": "claim-22", "title": "Bounded retries", "text": "The fixture retried from the same saved state, refused unsupported model choices and stopped at its spending limit or final attempt.", "status": "Historical recorded result", "date": "16 September 2026", "scope": "Historical record; any production observation is limited to the dated test described below.", "result": "The fixture retried from the same saved state, refused unsupported model choices and stopped at its spending limit or final attempt.", "limitation": "Laboratory fixture only No production spending or savings guarantee", "href": "/evidence/phase-cr-2" }, { "id": "claim-23", "title": "Ambiguous attempts stay visible", "text": "The fixture kept ambiguous work visible and prevented acceptance while accounting reconciled all attempts.", "status": "Historical recorded result", "date": "16 September 2026", "scope": "Laboratory or bench evidence; production behavior is not inferred from it.", "result": "The fixture kept ambiguous work visible and prevented acceptance while accounting reconciled all attempts.", "limitation": "Fixture backend and modeled timeout. No live-provider reconciliation-latency claim.", "href": "/evidence/phase-cr-5" }, { "id": "claim-24", "title": "Job state reflects recorded evidence", "text": "The tested API and interface rejected inconsistent state, restricted concurrency and displayed absent spending as unavailable.", "status": "Historical recorded result", "date": "16 September 2026", "scope": "Historical record; any production observation is limited to the dated test described below.", "result": "The tested API and interface rejected inconsistent state, restricted concurrency and displayed absent spending as unavailable.", "limitation": "Laboratory services and test identity provider. Customer credit changes require authorized support. Historical tier constraint requires current product confirmation.", "href": "/evidence/phase-cr-6" }, { "id": "claim-25", "title": "Offline help and verified downloads", "text": "The laboratory client made no request for help and rejected a tampered artifact before writing it. Workspaces over the tested upload limit were refused.", "status": "Historical recorded result", "date": "16 September 2026", "scope": "Laboratory or bench evidence; production behavior is not inferred from it.", "result": "The laboratory client made no request for help and rejected a tampered artifact before writing it. Workspaces over the tested upload limit were refused.", "limitation": "50 MiB threshold and exclusions belong to this tested release. Recording service, not full production integration.", "href": "/evidence/phase-cr-7" }, { "id": "claim-26", "title": "Review, resume and cancel", "text": "A fixture that exhausted its attempts entered review, could resume under a newly approved attempt sequence, and released the saved parent when canceled.", "status": "Historical recorded result", "date": "16 September 2026", "scope": "Historical record; any production observation is limited to the dated test described below.", "result": "A fixture that exhausted its attempts entered review, could resume under a newly approved attempt sequence, and released the saved parent when canceled.", "limitation": "Fixture backend. Resume only from review. Notification event is not proof of message delivery. Since 12 October 2026 the service sends the review email; this fixture test has not re-run against the deployed service.", "href": "/evidence/phase-cr-9" }, { "id": "claim-27", "title": "Fresh workspace per attempt", "text": "The hosted test started each attempt from the same saved workspace and kept the parent parked. Outcome and duration remain per-run data.", "status": "Historical recorded result", "date": "17 September 2026", "scope": "Historical evidence; the scope and environment are described in the recorded result.", "result": "The hosted test started each attempt from the same saved workspace and kept the parent parked. Outcome and duration remain per-run data.", "limitation": "No inference call or task acceptance: test accounts had no provider key. Successful-attempt parking was conditional and not demonstrated. One job; checkpoint pauses are host-specific.", "href": "/evidence/phase-cr-3" }, { "id": "claim-28", "title": "Independent host-side checks", "text": "The hosted test stopped and extracted the candidate before independent verification against approved tests; it rejected a forged pass log.", "status": "Historical recorded result", "date": "16 September 2026", "scope": "Historical evidence; the scope and environment are described in the recorded result.", "result": "The hosted test stopped and extracted the candidate before independent verification against approved tests; it rejected a forged pass log.", "limitation": "One hosted attempt The job ended in review, not acceptance Current deployment independently unverified", "href": "/evidence/phase-cr-4" }, { "id": "claim-29", "title": "Customer-path hosted job", "text": "A dated production canary reached a terminal state, verified the accepted download and denied a bystander account. This is one canary, not a current deployment guarantee.", "status": "Historical recorded result", "date": "17 September 2026", "scope": "Historical record; any production observation is limited to the dated test described below.", "result": "A dated production canary reached a terminal state, verified the accepted download and denied a bystander account. This is one canary, not a current deployment guarantee.", "limitation": "Monetary spend unavailable; usage does not establish money spent. Limited job/account scenario; acceptance is not a performance promise. Artifact verification applies only to accepted runs.", "href": "/evidence/phase-cr-8-prod" }, { "id": "claim-30", "title": "Customer credit authorization in test", "text": "Tests refused inappropriate credit changes by a customer while preserving verified payments and authorized grants.", "status": "Historical recorded result", "date": "17 September 2026", "scope": "Historical record; any production observation is limited to the dated test described below.", "result": "Tests refused inappropriate credit changes by a customer while preserving verified payments and authorized grants.", "limitation": "Disposable unfunded tenant; verification granted nothing Point-in-time ledger review only Broader rerun exception Historical, not current exploitability proof", "href": "/evidence/phase-b44" }, { "id": "claim-31", "title": "Production credit-authorization canary", "text": "A dated production test refused inappropriate customer credit changes and recorded no corresponding ledger movement.", "status": "Historical recorded result", "date": "17 September 2026", "scope": "Historical record; any production observation is limited to the dated test described below.", "result": "A dated production test refused inappropriate customer credit changes and recorded no corresponding ledger movement.", "limitation": "Disposable unfunded tenant; verification granted nothing Point-in-time ledger review only Broader rerun exception Historical, not current exploitability proof", "href": "/evidence/phase-b44" }, { "id": "claim-32", "title": "Usage settlement in the laboratory", "text": "A fixture consumed credit once per finalized usage amount, charged only new usage, parked at exhaustion and resumed after a top-up.", "status": "Historical recorded result", "date": "17 September 2026", "scope": "Historical record; any production observation is limited to the dated test described below.", "result": "A fixture consumed credit once per finalized usage amount, charged only new usage, parked at exhaustion and resumed after a top-up.", "limitation": "Production running-session parking remained untested Original monitoring count corrected on 18 September Laboratory parking used a simulated service", "href": "/evidence/phase-b48" }, { "id": "claim-33", "title": "Production usage settlement", "text": "A historical production correction settled outstanding usage once and recorded the funds restriction. No affected session was running, so production parking at exhaustion remained untested.", "status": "Historical recorded result", "date": "17 September 2026", "scope": "Historical record; any production observation is limited to the dated test described below.", "result": "A historical production correction settled outstanding usage once and recorded the funds restriction. No affected session was running, so production parking at exhaustion remained untested.", "limitation": "Production running-session parking remained untested Original monitoring count corrected on 18 September Laboratory parking used a simulated service", "href": "/evidence/phase-b48" }, { "id": "claim-34", "title": "Dated production agent-session canary", "text": "A single production account with its own key completed a supervised agent instruction with Claude Code 2.1.251; the no-key control was refused, usage was metered and deletion stopped the tested machine.", "status": "Historical recorded result", "date": "30 September 2026; final normal run at 09:16:29 UTC", "scope": "One team-operated production account using its own provider key and Claude Code 2.1.251.", "result": "Eight normal-run checks and a separate missing-key negative check passed.", "limitation": "Dollar cost unavailable; checkpoint erasure, general task quality and every registry-listed workflow were not tested.", "href": "/evidence/phase-agents-prod" } ] }, { "title": "Deliberately not claimed", "items": [ { "id": "not-claimed-1", "title": "Guaranteed task completion", "text": "Restoring memory and files does not guarantee that the resumed agent finishes its task." }, { "id": "not-claimed-2", "title": "Arbitrary providers", "text": "Support must be established separately per provider and translation path." }, { "id": "not-claimed-3", "title": "Production readiness or scale", "text": "Limited recovery and soak tests do not establish production readiness, continuous failover, or scale." }, { "id": "not-claimed-4", "title": "Zero downtime", "text": "Measured resume takes seconds; the scoped timings remain data, not a zero-downtime promise." }, { "id": "not-claimed-5", "title": "Guaranteed aider retry", "text": "The recorded client returned for its stored response in three of four runs." }, { "id": "not-claimed-6", "title": "Universal agents", "text": "Each harness and behavior level needs its own evidence." }, { "id": "not-claimed-7", "title": "A general resume success percentage", "text": "The small recorded sample supports its confidence interval, not a universal percentage." } ] } ], "currentDeployment": "Not independently verified by this historical evidence.", "canonical": "/evidence/claims" }