{"note":"Tamper-evident hash chain of the daily MCP reputation snapshots. day_hash = SHA-256(prev_hash + day + sorted snapshot rows). Altering any past day breaks every subsequent hash, so the history cannot be backdated. This is what makes a neutral 'verified at time of use' attestation independently checkable.","days":18,"head":{"day":"2026-06-22","hash":"f64cdd631cc77a2473b1ffa6d44d14bede26a5bcc27b09b2467e8171872095fe","prev_hash":"4c20671af946b32cd0a19ab390997fe2ad0cf2b78b16cc19712b43fe393a4f21","anchored_at":"2026-06-22 01:06:03"},"chain":[{"day":"2026-06-05","hash":"96b39fe3fd3a8a3b46ca4a847fb2e5ea617000f9480e01dc7d2b580adf11ad88","prev_hash":"GENESIS","anchored_at":"2026-06-05 05:43:29"},{"day":"2026-06-06","hash":"1417f62a3b995c2bdf6ca449da6ad8e1bdd44f7c94f8751037fe8ca9ecf165ca","prev_hash":"96b39fe3fd3a8a3b46ca4a847fb2e5ea617000f9480e01dc7d2b580adf11ad88","anchored_at":"2026-06-06 01:06:17"},{"day":"2026-06-07","hash":"68949267f8a499f06f30034712f0f31fc00d69f1bbb0f9ba8fa355f30f390916","prev_hash":"1417f62a3b995c2bdf6ca449da6ad8e1bdd44f7c94f8751037fe8ca9ecf165ca","anchored_at":"2026-06-07 01:06:40"},{"day":"2026-06-08","hash":"c4dc14bd735e5b0d3e06f5b8767aec396bd759d519456d6dba0a1dbc0d28c6e2","prev_hash":"68949267f8a499f06f30034712f0f31fc00d69f1bbb0f9ba8fa355f30f390916","anchored_at":"2026-06-08 03:04:57"},{"day":"2026-06-09","hash":"34fb876ad284f1702b84eaa418434cdc803bca20fe7801103d69dba1acfba4ea","prev_hash":"c4dc14bd735e5b0d3e06f5b8767aec396bd759d519456d6dba0a1dbc0d28c6e2","anchored_at":"2026-06-09 04:57:11"},{"day":"2026-06-10","hash":"256c0b6f2961bf188c77d0d4cd82cc487e28b4abfbc46823f1e0660839d982fe","prev_hash":"34fb876ad284f1702b84eaa418434cdc803bca20fe7801103d69dba1acfba4ea","anchored_at":"2026-06-10 01:06:04"},{"day":"2026-06-11","hash":"93d9ea51e8edc412ac9deb40a2fe83c38f42b2246c9006834ab3ea86cff7f76f","prev_hash":"256c0b6f2961bf188c77d0d4cd82cc487e28b4abfbc46823f1e0660839d982fe","anchored_at":"2026-06-11 01:06:16"},{"day":"2026-06-12","hash":"235c1e2c29cd95c96c571dc714fbb53f80d7c6696a5b74c207c4ecc54c3a20cd","prev_hash":"93d9ea51e8edc412ac9deb40a2fe83c38f42b2246c9006834ab3ea86cff7f76f","anchored_at":"2026-06-12 01:06:58"},{"day":"2026-06-13","hash":"4f79bd20a364e8dd9cdd1094d86a1df1b0901106e3645a3e03db9135151f426c","prev_hash":"235c1e2c29cd95c96c571dc714fbb53f80d7c6696a5b74c207c4ecc54c3a20cd","anchored_at":"2026-06-13 01:07:05"},{"day":"2026-06-14","hash":"f5f3ed9e588cd9545fd7761e343f90fcea04da5af9bfa23594371bf11d318125","prev_hash":"4f79bd20a364e8dd9cdd1094d86a1df1b0901106e3645a3e03db9135151f426c","anchored_at":"2026-06-14 01:05:58"},{"day":"2026-06-15","hash":"caee3b7947ec7c469a994f8e164798503cd71a7e853b7827d902b8985f9516a0","prev_hash":"f5f3ed9e588cd9545fd7761e343f90fcea04da5af9bfa23594371bf11d318125","anchored_at":"2026-06-15 01:06:10"},{"day":"2026-06-16","hash":"54d56f2eebd9512234614c4382de738db4a6e9b2c52d48e82a867f284bd7d7f6","prev_hash":"caee3b7947ec7c469a994f8e164798503cd71a7e853b7827d902b8985f9516a0","anchored_at":"2026-06-16 01:06:09"},{"day":"2026-06-17","hash":"981a0a5071f6d6c8b8cc6ddb58f8d73e727eb21ceb829e7b60215b319d6d71af","prev_hash":"54d56f2eebd9512234614c4382de738db4a6e9b2c52d48e82a867f284bd7d7f6","anchored_at":"2026-06-17 01:06:23"},{"day":"2026-06-18","hash":"7e2b074a9315f3a0641b8a4312c9ae965d43d8df0a6debfaa4be6ef0777e3ddd","prev_hash":"981a0a5071f6d6c8b8cc6ddb58f8d73e727eb21ceb829e7b60215b319d6d71af","anchored_at":"2026-06-18 01:06:31"},{"day":"2026-06-19","hash":"aa4034759e1edf531fec76c9c9b2fff7c06ee9c288dfca7d108428fabdbf7d42","prev_hash":"7e2b074a9315f3a0641b8a4312c9ae965d43d8df0a6debfaa4be6ef0777e3ddd","anchored_at":"2026-06-19 01:06:32"},{"day":"2026-06-20","hash":"b47747c900f357304b4bee0ac324e95da5181f086bb5e9acb5d2cc170833288d","prev_hash":"aa4034759e1edf531fec76c9c9b2fff7c06ee9c288dfca7d108428fabdbf7d42","anchored_at":"2026-06-20 01:07:24"},{"day":"2026-06-21","hash":"4c20671af946b32cd0a19ab390997fe2ad0cf2b78b16cc19712b43fe393a4f21","prev_hash":"b47747c900f357304b4bee0ac324e95da5181f086bb5e9acb5d2cc170833288d","anchored_at":"2026-06-21 01:05:55"},{"day":"2026-06-22","hash":"f64cdd631cc77a2473b1ffa6d44d14bede26a5bcc27b09b2467e8171872095fe","prev_hash":"4c20671af946b32cd0a19ab390997fe2ad0cf2b78b16cc19712b43fe393a4f21","anchored_at":"2026-06-22 01:06:03"}]}