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ARXIV:2604.18652 · AGENTIC AI SECURITY · SUBMITTED 22 APR · 21:30 UTC · FRESHNESS STALE
ARXIV:2604.18652AGENTIC AI SECURITYSUBMITTED 22 APR · 21:30 UTCFRESHNESS STALEXiangyu Wen · Yuang Zhao · Xiaoyu Xu · Lingjun Chen · Changran Xu · Shu Chi · +6 at arXiv
Arbiter-K is a governance-first execution architecture for agentic AI that enforces security as a microarchitectural property, achieving high interception rates of unsafe trajectories.
Opportunity summary
Pain Arbiter-K is a governance-first execution architecture for agentic AI that enforces security as a microarchitectural property, achieving high interception rates of unsafe trajectories.
Evidence 0 refs | 4 sources | 67% coverage
Blocker Evidence unverified
Arbiter-K is a governance-first execution architecture for agentic AI that enforces security as a microarchitectural property, achieving high interception rates of unsafe trajectories. We suggest that the prevailing orchestration paradigm-delegating the system control loop…
The transition of agentic AI from brittle prototypes to production systems is stalled by a pervasive crisis of craft. We suggest that the prevailing orchestration paradigm-delegating the system control loop to large language models…
ScienceToStartup currently rates this 8.0/10 on the public viability pass. By leveraging this mechanism, Arbiter-K precisely interdicts unsafe trajectories at deterministic sinks (e.g., high-risk tool calls or unauthorized network egress) and enables autonomous execution…
Agentic AI Security moved forward this cycle; last verified April 2026. Public score 8.0/10. Implementation evidence is present through a linked repository.
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mobile layout uses overflow-hidden min-w-0 break-wordsOpportunity summary
Score8.0Public score shown from the verified overall while the stale axis breakdown refreshesAnalysis summary
Arbiter-K is a governance-first execution architecture for agentic AI that enforces security as a microarchitectural property, achieving high interception rates of unsafe trajectories.
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Paper Pack
10.48550/arXiv.2604.18652Arbiter-K is a governance-first execution architecture for agentic AI that enforces security as a microarchitectural property, achieving high interception rates of unsafe trajectories.
Abstract
The transition of agentic AI from brittle prototypes to production systems is stalled by a pervasive crisis of craft. We suggest that the prevailing orchestration paradigm-delegating the system control loop to large language models and merely patching with heuristic guardrails-is the root cause of this fragility. Instead, we propose Arbiter-K, a Governance-First execution architecture that reconceptualizes the underlying model as a Probabilistic Processing Unit encapsulated by a deterministic, neuro-symbolic kernel. Arbiter-K implements a Semantic Instruction Set Architecture (ISA) to reify probabilistic messages into discrete instructions. This allows the kernel to maintain a Security Context Registry and construct an Instruction Dependency Graph at runtime, enabling active taint propagation based on the data-flow pedigree of each reasoning node. By leveraging this mechanism, Arbiter-K precisely interdicts unsafe trajectories at deterministic sinks (e.g., high-risk tool calls or unauthorized network egress) and enables autonomous execution correction and architectural rollback when security policies are triggered. Evaluations on OpenClaw and NanoBot demonstrate that Arbiter-K enforces security as a microarchitectural property, achieving 76% to 95% unsafe interception for a 92.79% absolute gain over native policies. The code is publicly available at https://github.com/cure-lab/ArbiterOS.
Source availability
PDF linkedThe paper record includes a public PDF URL.
Extraction status
Parse run linkedA document parse run is attached to this paper.
Proof status
unverified0 refs; 4 sources; 67% coverage.
What was readable
Derived fallback: Estimated from adjacent evidence; not verified from source.
Viability
Time to MVP
Commercial
Export
Preparing verified analysis
Dimensions overall score 8.0
PROBLEM
Arbiter-K is a governance-first execution architecture for agentic AI that enforces security as a microarchitectural property, achieving high interception rates of unsafe trajectories. We suggest that the prevailing orchestration paradigm-delegating the system control loop to la...
METHOD
The transition of agentic AI from brittle prototypes to production systems is stalled by a pervasive crisis of craft. We suggest that the prevailing orchestration paradigm-delegating the system control loop to large language models and merely patching with heuristic guardrails-i...
RESULT
ScienceToStartup currently rates this 8.0/10 on the public viability pass. By leveraging this mechanism, Arbiter-K precisely interdicts unsafe trajectories at deterministic sinks (e.g., high-risk tool calls or unauthorized network egress) and enables autonomous execution correct...
WHY NOW
Agentic AI Security moved forward this cycle; last verified April 2026. Public score 8.0/10. Implementation evidence is present through a linked repository.
{"file name": "input.pdf", "number of pages": 12, "author": "Xiangyu Wen; Yuang Zhao; Xiaoyu Xu; Lingjun Chen; Changran Xu; Shu Chi; Jianrong Ding; Zeju Li; Haomin Li; Li Jiang; Fangxin Liu; Qiang Xu"
Implication not extracted yet.
partial
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Concepts
Methods
Materials
Markets
Competitors
Arbiter-K is a governance-first execution architecture for agentic AI that enforces security as a microarchitectural property, achieving high interception rates of unsafe trajectories.
Segment
Agentic AI Security
Adoption evidence
Public code linked for build inspection
Commercial read
8.0/10 public viability
Direct
Adjacent
Substitute
Unknown
No indexed public discussion is attached to 2604.18652 yet. That is a visibility signal, not a blank module: the monitor is watching the public channels below.
Hacker News
Not indexed yet
Not indexed yet
Bluesky
Not indexed yet
Preview the source document here, or use the hero PDF action for a new tab.
Reference metadata is not materialized in the public index yet. The source PDF remains the authority; cache refresh is optional.
CITED BY
No citing papers are indexed in the public S2S graph yet. This is an explicit zero-signal state, not a hidden lookup.
Extension
Commercially relevant
Conflicting
Owned Distribution
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2/3 checks · 67%
Prototype path
partialhttps://sciencetostartup.com/api/v1/paper/2604.18652v1/build-passport
Source: Build Passport tarball route.
Required assets
verifiedDockerfile.minimal, RUN.sh, EXPECTED_OUTPUT.json, sbom.spdx.json
All required asset routes are present.
Dependencies
partialSBOM route attached; dependency contents require artifact review.
https://jdeeoknqehdvwmyoyayl.supabase.co/storage/v1/object/public/build-passports/2604.18652v1/d7f0cc42a04f68ef1d13643c0674173a91eee5fd8f4dbb2d2c4baf2324e61a28/sbom.spdx.json
Regulatory flags
missingNo regulatory classification attached.
Build Passport payload does not include regulatory flags.
Validation plan
partialRun reproduction smoke and attach transcript.
Proof status FAILED; computed 2026-04-26T17:10:47.754945+00:00.
Blockers
partialResolve missing artifact routes, unverified proof, or cost gaps.
Observed cost $0.00.
Build brief generated from Build Passport metadata.
Computed 2026-04-26T17:10:47.754945+00:00.
Experiment plan needs a verified reproduction path.
Proof status FAILED.
Validation checklist missing until assets, cost, and regulatory flags are verified.
No checklist artifact is attached to the Build Passport payload.
Derived signals show verified:false until source-backed receipts exist.
Evidence coverage
OpportunityKernel evidence_receipt
0 refs / 4 sources / 67% coverage
stale
Verify missing sources before using this as buyer proof. verified:false
Build readiness
BuildPassport EvidenceState
passport present; proof FAILED
stale
Run Proof Lab or inspect typed missing state. verified:false
Artifact maturity
GitHub and Hugging Face maturity payloads
No public artifact surface observed
stale
Open source artifacts or mark the gap as missing. verified:false
Technical feasibility
partial
Current read
Runnable path is not fully verified.
Evidence
Build Passport proof status FAILED.
Gaps
Next test
Run minimal reproduction from the Build Passport prototype path.
Market urgency
missing
Current read
Buyer urgency is not verified from source.
Evidence
0 references, 4 sources, 67% evidence coverage.
Gaps
Next test
Collect buyer interview, deployment evidence, or cited demand signal.
Buyer clarity
missing
Current read
No budget owner is verified for this paper.
Evidence
Build tab has no CRM, procurement, or operator source.
Gaps
Next test
Map target operator, economic buyer, and procurement trigger.
Defensibility
missing
Current read
Defensibility signals are missing.
Evidence
No defensibility receipt attached.
Gaps
Next test
Refresh defensibility bars with source receipts.
Integration burden
missing
Current read
No public implementation surface observed.
Evidence
No GitHub or Hugging Face payload attached.
Gaps
Next test
Write integration checklist from prototype path and target workflow.
Capital intensity
partial
Current read
Observed Proof Lab cost $0.00.
Evidence
Source: Build Passport cost passport.
Gaps
No gap recorded.
Next test
Run cost passport or mark the cost field not applicable.
Regulatory load
missing
Current read
No regulatory classification is attached.
Evidence
Build Passport ledger does not include regulatory flags.
Gaps
Next test
Classify regulatory flags before commercialization planning.
No named scientific founder assigned.
Paper authors are not treated as operators without consent.
People
No named person assigned.
Gaps
Next verification path
Prototype owner missing.
Build Passport does not name an implementer.
People
No named person assigned.
Gaps
Next verification path
Operator workflow not sourced.
No buyer or workflow interview attached.
People
No named person assigned.
Gaps
Next verification path
No GTM owner verified.
No CRM or outreach source attached.
People
No named person assigned.
Gaps
Next verification path
Regulatory need unclassified.
No clinical or regulatory source attached.
People
No named person assigned.
Gaps
Next verification path
ARTIFACTS
No public artifacts yet.
DEFENSIBILITY
Defensibility and confidence evidence pending.
WATCHTOWER
No verified watchtower monitor rows yet.
FORESIGHT
No prediction yet — minted on next Foresight batch.
OPPORTUNITYKERNEL CHANGES SINCE LAST VIEW
No verified OpportunityKernel changes since the last view.
COMPETITIVE LANDSCAPE UPDATES
No verified competitive landscape changes yet.
RELATED PAPER UPDATES
No verified related paper changes yet.
SIGNAL CANVAS HISTORY AND DELTAS
No Signal Canvas history deltas yet.
TIMELINE
Save this paper to start tracking momentum - commits, demos, and score changes appear here.
No tracked events yet.
Score trend will appear after multiple data points.
BUZZ
Buzz trend pending.