{"status":"preview","note":"Durable hash-chained ledger (stage-2 dual-write). Not yet the irreversible system of record — see docs/LEDGER_ARCHITECTURE.md.","checkpoint":{"count":934,"head_hash":"06da73b621d10a32731c247c8954a7a51015c9a0dbbe37b088422f2fd6305b21","merkle_root":"5322e139fb36319a8d9eccdbee1fb288eef23456c3f8231ad3101cdb505f3237","chain_valid":true,"issuer":"did:key:z6MkkSis851QCeP153LUWrxgSKRkSgy91BpUv5geXN7z4P6R","created_at":"","proof":"e8e08c8ede0bce7d073775d580904badbc28b8f8d9aa366db48dd98ec45a85b2102775036b7f050e6b55711fab8bcc85f81caa2c90987716d4330954cfed9d08"}}