Core Primitives

Attestations

A recorded assertion of truth, approval, verification, or completion. Attestations are the proof layer — they support transitions and establish operational memory.

The Attestation object

Attestation

{
  "id": "att_456",
  "operation_id": "op_abc123",
  "type": "verification",
  "claim": "Initial evidence reviewed and cross-referenced",
  "attested_by": "part_def456",
  "evidence": ["ev_xyz789"],
  "created_at": "2025-01-16T10:45:00Z",
  "metadata": {}
}

Parameter	Type	Description
`id`	string	Unique identifier. Prefixed with att_
`operation_id`required	string	The operation this attestation belongs to
`type`required	string	Attestation classification
`claim`required	string	What is being attested
`attested_by`required	string	Participant making the attestation
`evidence`	string[]	Evidence IDs supporting the claim
`created_at`	datetime	ISO 8601 timestamp
`metadata`	object	Arbitrary key-value pairs

Attestation types

verificationapprovalcompletionreviewlegal_sign_offcompliance_checkidentity_confirmation

Endpoints

Create an attestation

POST

/v1/operations/:id/attestations

curl -X POST https://api.microndelta.com/v1/operations/op_abc123/attestations \
  -H "Authorization: Bearer md_live_xxxxxxxxxxxxx" \
  -H "Content-Type: application/json" \
  -d '{
    "type": "verification",
    "claim": "Initial evidence reviewed and cross-referenced",
    "evidence": ["ev_xyz789"]
  }'

List attestations

GET

/v1/operations/:id/attestations

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