ACOS-ISA v1.0 Specification

ACOS Instruction Set Architecture

The definitive test suite for quantum backend interoperability. 25+ tests across 9 categories for QCOS Compatible certification.

Tests

How ACOS Testing Works

Run the test suite locally, submit evidence, receive certification.

# Run ACOS test suite

$ softqcosacos run \
    --backend YOUR_BACKEND_URL \
    --tier isa \
    --output evidence.json

Running ACOS-ISA v1.0 test suite...
[1/25] ACOS-001 capabilities_discovery .......... PASS
[2/25] ACOS-002 version_endpoint ................ PASS
...
[25/25] ACOS-025 reproducibility ................ PASS

━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
RESULT: 25/25 tests passed
TIER: ACOS-ISA v1.0 ELIGIBLE
Evidence bundle: evidence.json (sha256:a1b2c3...)

Run Locally

Execute softqcosacos run against your backend in your environment.

Submit Evidence

Upload the signed evidence bundle for SoftQuantus validation.

Get Certified

Receive certificate, badge, and public registry entry.

Test Categories

Discovery

2 tests

Backend capability reporting and version information

Gates

3 tests

Single and two-qubit gate execution validation

Measurement

3 tests

Measurement operations and result formatting

Limits

3 tests

Resource limit enforcement and validation

Errors

2 tests

Error handling and timeout behavior

Queue

2 tests

Job queue management and tracking

Calibration

3 tests

Calibration data and quality metrics

Security

2 tests

Authentication and rate limiting

Verification

5 tests

Quantum state preparation and benchmarking

Complete Test Suite

All 25 tests must pass for ACOS-ISA v1.0 certification.

ID	Test Name	Category	Description
ACOS-001	capabilities_discovery	Discovery	Backend correctly reports capabilities (qubits, gates, coupling map)
ACOS-002	version_endpoint	Discovery	Version endpoint returns valid semantic version
ACOS-003	single_qubit_gates	Gates	All advertised single-qubit gates execute correctly
ACOS-004	two_qubit_gates	Gates	CX/CZ gates execute per coupling map
ACOS-005	gate_timing	Gates	Gate execution times within declared tolerances
ACOS-006	measurement_basis	Measurement	Computational basis measurement works correctly
ACOS-007	shot_count	Measurement	Correct number of shots returned
ACOS-008	result_format	Measurement	Results in QCOS-standard JSON format
ACOS-009	circuit_depth_limit	Limits	Respects declared maximum circuit depth
ACOS-010	qubit_limit	Limits	Respects declared qubit count
ACOS-011	shot_limit	Limits	Respects declared maximum shots
ACOS-012	error_handling	Errors	Returns proper error codes for invalid circuits
ACOS-013	timeout_handling	Errors	Graceful timeout with partial results or error
ACOS-014	queue_status	Queue	Queue status endpoint functional
ACOS-015	job_tracking	Queue	Job IDs returned and trackable
ACOS-016	calibration_data	Calibration	Calibration data endpoint returns valid data
ACOS-017	fidelity_bounds	Calibration	Reported fidelities within reasonable bounds
ACOS-018	coherence_times	Calibration	T1/T2 times reported and validated
ACOS-019	auth_token	Security	Authentication token validation works
ACOS-020	rate_limiting	Security	Rate limiting implemented per spec
ACOS-021	bell_state	Verification	Bell state preparation produces expected statistics
ACOS-022	ghz_state	Verification	GHZ state preparation functional
ACOS-023	randomized_benchmarking	Verification	RB sequence execution and analysis
ACOS-024	tomography_support	Verification	State tomography circuits execute correctly
ACOS-025	reproducibility	Verification	Repeated executions produce statistically consistent results

Certification Tiers

ACOS-ISA v1.0

Core certification tier. Validates basic quantum backend functionality and QCOS interoperability.

25 tests across all categories
100% pass rate required
"QCOS Compatible" badge

ACOS-PULSE v1.0

Advanced certification tier. Adds pulse-level control validation and timing requirements.

All ACOS-ISA tests included
15+ additional pulse-level tests
"Pulse Certified" badge

Evidence Bundle Schema

Cryptographically signed artifact for verifiable certification.

{
  "evidence_version": "1.0.0",
  "test_suite": "ACOS-ISA",
  "suite_version": "1.0.0",
  "backend": {
    "vendor_id": "example-vendor",
    "backend_id": "quantum-v1",
    "version": "2.1.0",
    "endpoint": "https://api.example.com/v1"
  },
  "execution": {
    "started_at": "2024-01-15T10:00:00Z",
    "completed_at": "2024-01-15T10:45:00Z",
    "runner_version": "1.2.0",
    "environment_hash": "sha256:..."
  },
  "results": {
    "total_tests": 25,
    "passed": 25,
    "failed": 0,
    "tests": [
      {
        "id": "ACOS-001",
        "name": "capabilities_discovery",
        "status": "PASS",
        "duration_ms": 1234,
        "output_hash": "sha256:...",
        "assertions": [...]
      }
      // ... remaining tests
    ]
  },
  "signatures": {
    "runner_signature": "...",
    "timestamp_authority": "...",
    "chain_of_trust": [...]
  }
}

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