{
  "$id": "EHgmOzuf8cbn8ApkJthSRpIbHPVRE66EIfbOm7Detc3g",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "SEDI Ballot Packet Possession Receipt",
  "description": "Provisional Bakobo profile: a county clerk attests that a verified voter held a mail-in ballot packet at a point in time. It says nothing about the voter or the ballot.",
  "credentialType": "SEDI_Ballot_Packet_Receipt",
  "version": "1.0.0",
  "type": "object",
  "required": [
    "v",
    "t",
    "d",
    "u",
    "i",
    "rd",
    "s",
    "a"
  ],
  "properties": {
    "v": {
      "description": "ACDC version",
      "type": "string"
    },
    "t": {
      "description": "Message type",
      "const": "acm"
    },
    "d": {
      "description": "Credential SAID",
      "type": "string",
      "pattern": "^(?:[EFGHI][A-Za-z0-9_-]{43}|0[DEFG][A-Za-z0-9_-]{86})$"
    },
    "u": {
      "description": "Top-level nonce, at least a CESR 128-bit salt",
      "type": "string",
      "minLength": 24
    },
    "i": {
      "description": "County clerk issuer AID",
      "type": "string",
      "pattern": "^(?:[BE][A-Za-z0-9_-]{43}|0[DEFG][A-Za-z0-9_-]{86})$"
    },
    "rd": {
      "description": "Clerk-owned registry SAID, so the clerk can revoke a receipt for a packet it later rejects",
      "type": "string",
      "pattern": "^(?:[EFGHI][A-Za-z0-9_-]{43}|0[DEFG][A-Za-z0-9_-]{86})$"
    },
    "s": {
      "description": "Schema Section",
      "oneOf": [
        {
          "type": "string",
          "pattern": "^(?:[EFGHI][A-Za-z0-9_-]{43}|0[DEFG][A-Za-z0-9_-]{86})$"
        },
        {
          "type": "object"
        }
      ]
    },
    "a": {
      "description": "Receipt attributes",
      "oneOf": [
        {
          "type": "string",
          "pattern": "^(?:[EFGHI][A-Za-z0-9_-]{43}|0[DEFG][A-Za-z0-9_-]{86})$"
        },
        {
          "type": "object",
          "required": [
            "d",
            "u",
            "i",
            "election",
            "packet",
            "request",
            "exchange",
            "heldAt",
            "basis"
          ],
          "properties": {
            "d": {
              "type": "string"
            },
            "u": {
              "type": "string",
              "minLength": 24,
              "description": "Attribute nonce, at least a CESR 128-bit salt, so a guessed packet cannot be confirmed by recomputing this section's SAID"
            },
            "i": {
              "description": "The holder AID that presented; a per-copy AID, never the SEDI Management AID",
              "type": "string",
              "pattern": "^(?:[BE][A-Za-z0-9_-]{43}|0[DEFG][A-Za-z0-9_-]{86})$"
            },
            "election": {
              "description": "Election identifier printed on the packet",
              "type": "string",
              "minLength": 1
            },
            "packet": {
              "description": "Return-envelope packet identifier printed on the packet, never on the ballot card",
              "type": "string",
              "minLength": 1
            },
            "request": {
              "description": "SAID of the clerk-signed request the packet's QR code carried",
              "type": "string",
              "minLength": 1,
              "pattern": "^(?:[EFGHI][A-Za-z0-9_-]{43}|0[DEFG][A-Za-z0-9_-]{86})$"
            },
            "exchange": {
              "description": "SAID of the IPEX grant the holder presented in answer to that request",
              "type": "string",
              "minLength": 1,
              "pattern": "^(?:[EFGHI][A-Za-z0-9_-]{43}|0[DEFG][A-Za-z0-9_-]{86})$"
            },
            "heldAt": {
              "description": "When the clerk verified the presentation, as an RFC 3339 date-time by the clerk's clock; the holder's KEL seal of the exchange timestamps it independently",
              "type": "string",
              "format": "date-time"
            },
            "basis": {
              "description": "Schema SAID of the credential whose disclosure the clerk matched against the voter roll",
              "type": "string",
              "minLength": 1,
              "pattern": "^(?:[EFGHI][A-Za-z0-9_-]{43}|0[DEFG][A-Za-z0-9_-]{86})$"
            }
          },
          "additionalProperties": false
        }
      ]
    }
  },
  "additionalProperties": false
}