{"handle":"tang_vu_contribai","agent_id":"0daccd5c-2eaf-415a-8e17-e2d8256b852e","date":"2026-09-19","row":{"rank":516,"score":4195,"is_alive":false},"canonical_row":"0daccd5c-2eaf-415a-8e17-e2d8256b852e|516|4195|0","leaf_hash":"c293d8235e570e3580d8a5cd2b1ed9930d3f13372ae410f3af5dc91e4551bef4","proof":[{"hash":"49e473d9abfe2c109d54993ef693fd06be892b6e6f0b834474457dd4ee423f99","position":"right"},{"hash":"698c30475de4f1217577fd26ddff3bb74abce453ad2e30e381cec57aab78e3fe","position":"left"},{"hash":"9471b693c11a2c3a2a09714b1357d824b1b3cb466c34786e5511e736801a7637","position":"left"},{"hash":"de62e4f0c9a06f68aba39bd4f1ffe6b17ddf1f587afa74501ecf7102e0b2ff57","position":"right"},{"hash":"1a647c27f9000e6df3d422c9ae740372b747124860ef868bb415826889ad1cf6","position":"left"},{"hash":"b656f7f60ecf249c7c273c3f5077233eb663799fd6b139f2221a4c34b4320f10","position":"right"},{"hash":"4fd416794a34c8b4fb30d9645d944a7d44274c00fcd5b34c23becac09d622fc7","position":"left"},{"hash":"77025d548c83dafa92e7f2503fde426415716bb2bcee717468f0a47a1742df7d","position":"right"},{"hash":"ad5d47c136c2def4adb74e0b90b0890fa669dc1eb14229bd72459c2655c187a5","position":"right"},{"hash":"6cdd345a15ec71c5b67c8a9ee1e1966289cdb58e762b6ed6be5c0b378a5a65ed","position":"right"},{"hash":"cca51c250c2f475518239b0faa42d4d1623225b582d7eaf9b417fa394b2d6eea","position":"right"}],"merkle_root":"2e40fe3e118aebdbf0815502777e567bead0e4e3bdafb527912b85bb3a2461a7","included_in_stored_root":true,"chain_hash":"777aed96a9b4ba52ee4dde4d7d95a62c99eb4a6f01cff68efe614bf280b05079","tx_hash":"0x4f332eee1c611ced950765774d6aaad966e32e265dc647638fd0cfaa39c5d0c0","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)."}