# PersistedProjectControlChallenge
[All API schemas](/api-reference/schemas/)
object — Additional properties rejected
| Field | Required at this level | Type | Description and constraints |
| --- | --- | --- | --- |
| schemaVersion | Yes | Constant persisted-project-control-challenge-v1 | — |
| challenge | Yes | object | Additional properties rejected |
| challenge.organizationId | Yes | string | Pattern: ^[a-zA-Z0-9][a-zA-Z0-9:_-]{2,159}$ |
| challenge.projectId | Yes | string | Pattern: ^[a-zA-Z0-9][a-zA-Z0-9:_-]{2,159}$ |
| challenge.projectResourceVersion | Yes | string | Pattern: ^0x[0-9a-f]{64}$ |
| challenge.chainId | Yes | integer | Maximum: 9007199254740991; Exclusive minimum: 0 |
| challenge.genesisHash | Yes | string | Pattern: ^0x[0-9a-f]{64}$ |
| challenge.token | Yes | string | Pattern: ^0x[0-9a-f]{40}$ |
| challenge.schemaVersion | Yes | Constant project-control-challenge-v1 | — |
| challenge.actorId | Yes | string | Pattern: ^[a-zA-Z0-9][a-zA-Z0-9:_-]{2,159}$ |
| challenge.controller | Yes | string | Pattern: ^0x[0-9a-f]{40}$ |
| challenge.custodyAccount | Yes | string | Pattern: ^0x[0-9a-f]{40}$ |
| challenge.attestationHash | Yes | string | Pattern: ^0x[0-9a-f]{64}$ |
| challenge.nonce | Yes | string | Pattern: ^0x[0-9a-f]{64}$ |
| challenge.audience | Yes | string | Pattern: ^[a-zA-Z0-9][a-zA-Z0-9:_-]{2,159}$ |
| challenge.deployment | Yes | string | Pattern: ^[a-zA-Z0-9][a-zA-Z0-9:_-]{2,159}$ |
| challenge.purpose | Yes | Constant PROJECT_TREASURY_READ_ACCESS_ONLY | — |
| challenge.issuedAt | Yes | integer | Minimum: 0; Maximum: 9007199254740991 |
| challenge.expiresAt | Yes | integer | Minimum: 0; Maximum: 9007199254740991 |
| identity | Yes | object | Additional properties rejected |
| identity.payload | Yes | object | Additional properties rejected |
| identity.payload.organizationId | Yes | string | Pattern: ^[a-zA-Z0-9][a-zA-Z0-9:_-]{2,159}$ |
| identity.payload.projectId | Yes | string | Pattern: ^[a-zA-Z0-9][a-zA-Z0-9:_-]{2,159}$ |
| identity.payload.projectResourceVersion | Yes | string | Pattern: ^0x[0-9a-f]{64}$ |
| identity.payload.chainId | Yes | integer | Maximum: 9007199254740991; Exclusive minimum: 0 |
| identity.payload.genesisHash | Yes | string | Pattern: ^0x[0-9a-f]{64}$ |
| identity.payload.token | Yes | string | Pattern: ^0x[0-9a-f]{40}$ |
| identity.payload.schemaVersion | Yes | Constant project-identity-attestation-v1 | — |
| identity.payload.publisher | Yes | object | Additional properties rejected |
| identity.payload.publisher.id | Yes | string | Pattern: ^[a-zA-Z0-9][a-zA-Z0-9:_-]{2,159}$ |
| identity.payload.publisher.resourceVersion | Yes | string | Pattern: ^0x[0-9a-f]{64}$ |
| identity.payload.controller | Yes | string | Pattern: ^0x[0-9a-f]{40}$ |
| identity.payload.issuedAt | Yes | integer | Minimum: 0; Maximum: 9007199254740991 |
| identity.payload.expiresAt | Yes | integer | Minimum: 0; Maximum: 9007199254740991 |
| identity.payloadHash | Yes | string | Pattern: ^0x[0-9a-f]{64}$ |
| identity.signature | Yes | string | Pattern: ^[A-Za-z0-9+/]{86}==$ |
| anchor | Yes | object | Additional properties rejected |
| anchor.chainId | Yes | integer | Maximum: 9007199254740991; Exclusive minimum: 0 |
| anchor.genesisHash | Yes | string | Pattern: ^0x[0-9a-f]{64}$ |
| anchor.blockNumber | Yes | string | Pattern: ^(0|[1-9][0-9]{0,77})$ |
| anchor.blockHash | Yes | string | Pattern: ^0x[0-9a-f]{64}$ |
| anchor.finality | Yes | Constant FINALIZED | — |
| resourceVersion | Yes | string | Pattern: ^0x[0-9a-f]{64}$ |
| recordedAt | Yes | string | Format: date-time; Pattern: ^(?:(?:\d\d[2468][048]|\d\d[13579][26]|\d\d0[48]|[02468][048]00|[13579][26]00)-02-29|\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\d|30)|(?:02)-(?:0[1-9]|1\d|2[0-8])))T(?:(?:[01]\d|2[0-3]):[0-5]\d(?::[0-5]\d(?:\.\d+)?)?(?:Z|([+-](?:[01]\d|2[0-3]):[0-5]\d)))$ |
Nested required fields apply when their parent object or matching union branch is present. Named types link to their complete schema.
Exact definition: #/components/schemas/PersistedProjectControlChallenge in the [OpenAPI contract](/openapi/liquidity-operating-system-v2.openapi.json).