OpenChainGraph Suite · CONTRACT A3 · arch #5

EU Taxonomy Activity Alignment

Activity-level Taxonomy alignment: substantial-contribution + DNSH + minimum-safeguards scoring (ART-73) -> audit receipt (cry-05). The activity-by-activity alignment decision an undertaking emits and an auditor re-verifies.

OpenChainGraph · 2 Steps cryptographic mandate Hash-Anchored §4 chain_depth:2 Client-Side · Zero PII
Chain Topology — EU Taxonomy Alignment Scorer → Agent-Action Audit-Trail Aggregator
§4 Execution Hash · Chain Definition Anchor
execution_hash:computing…
Chain Stages · 2 Steps
1 ROOT · D0 node
EU Taxonomy Alignment Scorer art-73-taxonomy-alignment-scorer
alignment verdict + gaps (H1) feed the aggregator
MCP Call · score_taxonomy_alignment
{
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "name": "score_taxonomy_alignment",
    "arguments": {}
  },
  "id": 1
}
https://mcp.ainumbers.co/mcp
↓
2 TERMINAL · D2 node
Agent-Action Audit-Trail Aggregator cry-05-agent-action-audit-trail-aggregator
Exports composite alignment artifact with execution_hash (H2) -- final stage
MCP Call · aggregate_execution_receipts
{
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "name": "aggregate_execution_receipts",
    "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.