{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001382},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001441","480:4800001383","480:4800001393","480:4800001910","480:4800001435","480:4800001434","480:4800001258","480:4800001320","480:4800001257","480:4800002451","480:4800001322","480:4800001889","480:4800001822","488:4880003470","496:4960008732","496:4960009123","470:4700005357","480:4800001716","496:4960011087","480:4800002398","480:4800001721","478:4780001724","488:4880003655","480:4800002543","480:4800002060"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,488,496,496,470,480,496,480,480,478,488,480,480],"twin_sims":[0.510476067185983,0.3852305028331776,0.359276609326829,0.3015456279102386,0.29700240885681295,0.28745567318786575,0.28053588960487386,0.2588585195971278,0.24542891902187072,0.23530561994238744,0.2278188116096976,0.2255795774333796,0.2150291511409609,0.19695569960054596,0.18631651764397403,0.17337091553171585,0.17191234795532712,0.17053695859345216,0.15461100827010016,0.14693292080527764,0.1400632047586081,0.13341318839777322,0.13016128652694187,0.12433027436103156,0.12351145549053],"twin_dists":[0.15061090487500498,0.1793879728411108,0.1858306220969467,0.20110291160041163,0.20237221057411448,0.2050772530673428,0.20707171422559137,0.21352200107426977,0.21768978034519154,0.22092945174594458,0.22338446941487672,0.2241290720597906,0.22770532583069517,0.23411845630812775,0.2380857134372824,0.2431340562928296,0.24371947011732414,0.24427476631013215,0.2509531982471171,0.2543537451325315,0.2575094725199814,0.26067620060352376,0.26226807350831605,0.26519936230767654,0.26561929191739264],"n_dims_used":43,"mean_confidence":0.9201452565747638},"coverage":{"mean_confidence":0.9201452565747638,"n_dims_used":43,"similarity_metric":{"field":"twin_sims","kind":"cosine_in_zscored_morphology_space","range":"[-1, 1]; higher = more similar","interpretation":"cosine similarity in the z-scored feature space (n_dims_used dims). High-dimensional cosine concentrates near 0, so absolute values are typically SMALL and are meaningful only RELATIVELY (rank order / vs the cohort) — NOT a 0–1 probability. mean_confidence is the SEPARATE GUM uncertainty weight of the anchor's witnessed features, not a function of the similarities."}},"error":null}}