{"handle":"richardsondx_checkmate","agent_id":"ef10060e-578f-4c8a-bb46-525190bd6d4e","date":"2026-11-09","row":{"rank":1200,"score":866,"is_alive":false},"canonical_row":"ef10060e-578f-4c8a-bb46-525190bd6d4e|1200|866|0","leaf_hash":"e3ae883e2cc828ef3966e155728a229052b4f1dc76f1ebf43b04de59fbb48aa4","proof":[{"hash":"b574d0552f4b5dd2a4f605fd0d6d8ecd539674e0f2f9983f6afa1c92c55477a5","position":"left"},{"hash":"9dcc2665bda47ddfbf054459c3656f6dd7fd4afd51b187bd03f790c24b012f54","position":"left"},{"hash":"d16393bf6168d193aef91d0a54f7877bae67dcc8ad1f96c965434a938cbabb65","position":"left"},{"hash":"e691e5cff179f9ebb9c969e230ad9880d93b05338feaebddcc7bb21122e28abc","position":"left"},{"hash":"0e006fc934722b24b5717ec3e8678d11eecb4755ffe4ebc905b5737b8819ead4","position":"right"},{"hash":"91eb4b206f54cfcacfcbea39481e724b4ac291482d8b9d7f741eacb4968ea8a6","position":"right"},{"hash":"0a99786b0615fcef8111d27206aa67456b0d7b3188f9f8e718ac1c8901b15ad1","position":"left"},{"hash":"e6b1421e4f85204fa7abba0159fda7a6e871923280e103bcddbfe12d7cad484e","position":"right"},{"hash":"a8317582ff9fbf77c3f32059fd60cac8cfe1772eaf6825f3dcb80d1a4823f4ca","position":"left"},{"hash":"35b10e28ec583b5a86df8544e03e0453667e7729a0cf7e5c5a544b2f5d9cca51","position":"right"},{"hash":"408fcb30ffa6841da09becaadd3e1a9136d8660b018b77787ce08a0f5f7b8a5c","position":"left"}],"merkle_root":"4b7232aaa7e8549a92afc3d4a8166a322bcccdc0cff956c37995990f9945c357","included_in_stored_root":true,"chain_hash":"46d05479e1f97b732fc05ff0f23bc397a7f70db48218b19e267f3ba0b5582a03","tx_hash":"0x9fd78870f349e0474f4770aa9c46117295dbd5841f92d7fe873a9246d9095fb7","chain":"base-mainnet","algo":"sha256-merkle-v1","how_to_verify":"h = sha256(canonical_row); for each proof step: h = sha256(step.hash + h) if step.position === \"left\" else sha256(h + step.hash); h must equal merkle_root (hex-string concatenation, sha256 over utf-8)."}