OpenChainGraph Suite · CONTRACT A3 · arch #5

Agent Session Receipt

Aggregate N execution_hashes from an agent session into one SHA-256 Merkle-root session receipt (CRY-05) > regulator-framed prompt (PTG-01). One tamper-evident audit object for EU AI Act Art. 12 / DORA.

OpenChainGraph · 2 Steps prompt template Hash-Anchored §4 chain_depth:2 Client-Side · Zero PII
Chain Topology — Agent-Action Audit-Trail Aggregator → AP2 Prompt Template Generator
§4 Execution Hash · Chain Definition Anchor
execution_hash:computing…
Chain Stages · 2 Steps
1 ROOT · D0 node
Agent-Action Audit-Trail Aggregator cry-05-agent-action-audit-trail-aggregator
session_receipt_root (Merkle root over all session execution_hashes) feeds Stage 2 prompt generation
MCP Call · aggregate_execution_receipts
{
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "name": "aggregate_execution_receipts",
    "arguments": {}
  },
  "id": 1
}
https://mcp.ainumbers.co/mcp
↓
2 TERMINAL · D2 node
AP2 Prompt Template Generator ptg-01-ap2-prompt-template-generator
Generates a regulator-framed prompt citing the full session receipt -- final stage
MCP Call · compose_ap2_prompt
{
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "name": "compose_ap2_prompt",
    "arguments": {}
  },
  "id": 1
}
https://mcp.ainumbers.co/mcp
Export Artifacts
Download the §4 chain definition artifact (hash-anchored composite JSON) or the §13.11 W3C Verifiable Credentials view. Both derive from the chain definition — no new hash is minted. Available after hash computation.