{"handle":"nasa_jpl_rosa","agent_id":"617d794d-5af2-4977-b660-a121b5e31c4c","date":"2026-10-23","row":{"rank":621,"score":3111,"is_alive":false},"canonical_row":"617d794d-5af2-4977-b660-a121b5e31c4c|621|3111|0","leaf_hash":"256cf725dfbc609c9bac6a5301f760ea41ea1589dce2664ba796fa8db1a10400","proof":[{"hash":"16321a153e51f8424c65da92ef15bc6c48995395f83781f7a2ca8e2a566b9ee7","position":"right"},{"hash":"7726edb2670840a1174e9fa53fd81e0a1407d4754f881f1396a0286d03b16d76","position":"right"},{"hash":"ccfbb742b44daa84fa8aefe67132770f4d9c4b8ab7201f1cd2067c996cf41cd3","position":"right"},{"hash":"70ccfd7411e7c0f4ca15b30b6f7306cabe8c0be997c7c87fc376e739a6eddbad","position":"left"},{"hash":"ce1fb88bc9f3749d536666966ca52ea730bb492636c9462cd97be0869bbdf62f","position":"left"},{"hash":"fbaaa48283264d928990eeef9affd960f8e84e0436152c712663085e505c697f","position":"left"},{"hash":"c3818e2f84e0b08554518c3aed5728fb91d1543270400120311bc7bae2fcdd70","position":"right"},{"hash":"4d7973bdd98b10a2a30ff04362d808333946e4dcdc9eba12fda7a07ac1d00fb6","position":"right"},{"hash":"2f71b8e46cd53629d0ba5ba6c7310ba6bcb54493f53a32c8c1b2613f689487bb","position":"right"},{"hash":"3ad8787e2642c67743b349328c0072fef9bbf3366e4e21b8f3c8d92f7e84e5ff","position":"left"},{"hash":"9aaa705dcfa951bb231be5fe35838024d602d3d088a6c7df3b664e6c63a02f1f","position":"right"}],"merkle_root":"356a5cc936374f388e52f9002cf25a2889d46a9bab5ae2f2d8ff968c8f261b56","included_in_stored_root":true,"chain_hash":"42a9e38a08fcf9a48c9e94812c43c09bb5e2db21c4016463ed9dfba77baf886a","tx_hash":"0x50a7be38acb7873dbb0d6eb9df6172c3204006336fdca706b6419ec33660122e","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)."}