{"handle":"qin2dim_hcaptcha_challenger","agent_id":"3989db35-268a-41e4-871a-8c366b9d062b","date":"2026-07-25","row":{"rank":855,"score":1690,"is_alive":false},"canonical_row":"3989db35-268a-41e4-871a-8c366b9d062b|855|1690|0","leaf_hash":"14d26c8ac4a09b7e0232229b33fb8e20813495bca13a418ac52ec771a94b1264","proof":[{"hash":"3dcf68c2e9b3a315bab02f7cce835ceb087a0eed9190c036a9c49b8802d7bb65","position":"right"},{"hash":"a96b3a5ab5895eb34d62737fa99839b53b2f0b5f4ebd85409810b46e3e33ea2b","position":"right"},{"hash":"ceb8e80ec125dc484c8f0cd36778dde1dacea0c5362d3f56f4f247c070c3b849","position":"left"},{"hash":"2c6cd048baf31348b65c142e225ab8a8a9bf55772d9d406ff91ba5d2d911b5d6","position":"left"},{"hash":"e36ed2a15c7bf58a97a20d384d70245b0a3a16a47a7b26d0a8e22f65440c3bae","position":"left"},{"hash":"ee937f4b6126f6e53449669a76cbb5ceb189e56739cdb7c3d6fcb9ffd9c217fc","position":"left"},{"hash":"1e3a3b084e7099cbbcd0d19cda03fd95fae0e5b817f8ba0116d3517a3b9f2bb7","position":"right"},{"hash":"f571f164e388d96c7ead6351a6fb36178caffcc7af09c66e59bfc145f46fcf81","position":"right"},{"hash":"daf85a0ffd42fa5fb611556425237f2bce7988b49266e2458f64e5dd0880cc96","position":"left"},{"hash":"445a5ce179469e2920eb25527ca7470d3d8273fea9a10112827a3bcbf0c9357f","position":"right"},{"hash":"62e79a7a195f87e512da6bf11c1eb8192b39dfa781096901a72d601a1bbd6455","position":"right"}],"merkle_root":"0627dcb46f103fb2f9736bf429f2ad0a7c735ac5861602ceac6947e337cbf36d","included_in_stored_root":true,"chain_hash":"a6f775538914256b98cc61618d8dd258bf7f7fabc81605e92e9b0b6642172c57","tx_hash":"0x1cbbcd34223be6a4b79d63685c9ceaea05d65dd00e1e2879fac815a66be8b06e","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)."}