CAIN-42 invariant · E29

E29-B-capabilities: the transaction envelope binds 'capabilities' under its signature

Held · CAIN-42 Evolution 29 -- Governed Agentic Internet Transaction Fabric

Last reviewed 2026-10-01

held   niche Evidence, receipts & proofs · family envelope_binding

What this rule means

CAIN-42 must always satisfy: the transaction envelope binds 'capabilities' under its signature. It is one of 106 invariants checked for CAIN-42 Evolution 29 -- Governed Agentic Internet Transaction Fabric. An invariant is a rule the system may never break, whatever an agent or attacker does; the test suite tries to break it across many scenarios and records the result.

Recorded detail

capabilities

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Related rules

• E29-B-transaction_id: the transaction envelope binds 'transaction_id' under its signature
• E29-B-execution_identity: the transaction envelope binds 'execution_identity' under its signature
• E29-B-principal: the transaction envelope binds 'principal' under its signature
• E29-B-agent_lineage: the transaction envelope binds 'agent_lineage' under its signature
• E29-B-counterparty_identity: the transaction envelope binds 'counterparty_identity' under its signature
• E29-B-intent: the transaction envelope binds 'intent' under its signature
• E29-B-requested_action: the transaction envelope binds 'requested_action' under its signature
• E29-B-authority: the transaction envelope binds 'authority' under its signature

← E29-B-requested_action · all 106 · E29-B-authority →