use serde::{Deserialize, Serialize};
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct ProvenanceEntry {
pub sha256: String,
pub source: String,
pub decoder_version: String,
pub ocr_engine_version: Option<String>,
pub turn_id: u64,
pub recorded_at: chrono::DateTime<chrono::Utc>,
}