{
  "approval_ledger": "{\r\n  \"version\": \"touchstone.approval-ledger.v1\",\r\n  \"note\": \"Every control this project evaluates is here, and nothing else. Each entry names a candidate a model proposed from the issuer's own bytes and the compilation artifact it was accepted in; the control itself is read from that artifact, so this file can only point at a control, never restate one. Approval changes exactly two fields: approval_state and compilation_sha256. Declined entries are candidates that passed every deterministic gate and a human still did not approve \\u2014 recorded because a control set that silently omits them cannot be audited for why.\",\r\n  \"approved\": [\r\n    {\r\n      \"control_id\": \"ustb-holdings-as-of-date-present\",\r\n      \"compilation_sha256\": \"fad12109e3ec919ec87d923ee628392f3b64c91269711b5626a5b8239843afc3\",\r\n      \"approved_on\": \"2026-08-18\"\r\n    },\r\n    {\r\n      \"control_id\": \"ustb-nav-daily-freshness\",\r\n      \"compilation_sha256\": \"db4eebc0e7a795eec7d835dfc4ccd939b87dd3a86d4c4e30a8b1c028bebb4bba\",\r\n      \"approved_on\": \"2026-08-18\"\r\n    },\r\n    {\r\n      \"control_id\": \"ustb-nav-per-share-present\",\r\n      \"compilation_sha256\": \"db4eebc0e7a795eec7d835dfc4ccd939b87dd3a86d4c4e30a8b1c028bebb4bba\",\r\n      \"approved_on\": \"2026-08-18\"\r\n    },\r\n    {\r\n      \"control_id\": \"ustb-yield-as-of-date-fresh\",\r\n      \"compilation_sha256\": \"669c276109b9b6e07b7e6674e5f0ee4fa45d79b7987656c28c3919a2f13eaea6\",\r\n      \"approved_on\": \"2026-08-18\"\r\n    },\r\n    {\r\n      \"control_id\": \"ustb-yield-one-day-present\",\r\n      \"compilation_sha256\": \"669c276109b9b6e07b7e6674e5f0ee4fa45d79b7987656c28c3919a2f13eaea6\",\r\n      \"approved_on\": \"2026-08-18\"\r\n    }\r\n  ],\r\n  \"declined\": [\r\n    {\r\n      \"control_id\": \"ustb-holdings-recently-published\",\r\n      \"compilation_sha256\": \"fad12109e3ec919ec87d923ee628392f3b64c91269711b5626a5b8239843afc3\",\r\n      \"declined_on\": \"2026-08-18\",\r\n      \"reason\": \"Redundant with ustb-holdings-as-of-date-present: both read the same as_of_date, and a 40-calendar-day window on a monthly holdings file adds no claim the presence control does not already make.\"\r\n    },\r\n    {\r\n      \"control_id\": \"ustb-outstanding-shares-present\",\r\n      \"compilation_sha256\": \"db4eebc0e7a795eec7d835dfc4ccd939b87dd3a86d4c4e30a8b1c028bebb4bba\",\r\n      \"declined_on\": \"2026-08-18\",\r\n      \"reason\": \"Compiler confidence is 0.80 against a gate of < 0.80, so it clears by zero margin. That is not a deterministic invalidity and the candidate is well formed, but zero margin is not the evidence quality a first approved set should rest on when ustb-nav-per-share-present already covers the NAV value claim.\"\r\n    },\r\n    {\r\n      \"control_id\": \"ustb-yield-as-of-date-present\",\r\n      \"compilation_sha256\": \"669c276109b9b6e07b7e6674e5f0ee4fa45d79b7987656c28c3919a2f13eaea6\",\r\n      \"declined_on\": \"2026-08-18\",\r\n      \"reason\": \"Redundant with ustb-yield-as-of-date-fresh, which reads the same field and also checks it against the source's declared two-business-day policy.\"\r\n    },\r\n    {\r\n      \"control_id\": \"ustb-yield-seven-day-present\",\r\n      \"compilation_sha256\": \"669c276109b9b6e07b7e6674e5f0ee4fa45d79b7987656c28c3919a2f13eaea6\",\r\n      \"declined_on\": \"2026-08-18\",\r\n      \"reason\": \"Valid, but a third presence check on the same yield document is additional scalar coverage rather than breadth. ustb-yield-one-day-present is the representative field; approving all three would present duplication as product scope.\"\r\n    },\r\n    {\r\n      \"control_id\": \"ustb-yield-thirty-day-present\",\r\n      \"compilation_sha256\": \"669c276109b9b6e07b7e6674e5f0ee4fa45d79b7987656c28c3919a2f13eaea6\",\r\n      \"declined_on\": \"2026-08-18\",\r\n      \"reason\": \"Valid, but a third presence check on the same yield document is additional scalar coverage rather than breadth. ustb-yield-one-day-present is the representative field; approving all three would present duplication as product scope.\"\r\n    }\r\n  ]\r\n}\r\n",
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