{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010336},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010153","490:4900010156","490:4900010337","490:4900010850","490:4900010425","490:4900010338","490:4900010502","490:4900008237","490:4900009860","490:4900010766","490:4900011007","490:4900009663","490:4900010421","490:4900010587","490:4900010767","490:4900010509","490:4900010154","490:4900010245","490:4900010250","490:4900009944","490:4900010931","490:4900010930","490:4900010335","490:4900011091","490:4900010237"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.758231494595915,0.4654515872765793,0.3555574263823762,0.2120490022062963,0.19525655533418104,0.16656441504131594,0.15483411499941685,0.1419456739856696,0.14064059977948792,0.12405464192698071,0.11681669589732922,0.1135948212877752,0.10745200633372111,0.10060638124819007,0.0903772136272599,0.08109827751894294,0.07585735850096624,0.07000305964849395,0.06997049150955331,0.0691200256001272,0.06829087601723033,0.06762712658030899,0.06522753737399178,0.06318249049938202,0.06292715508209606],"twin_dists":[0.09662636336343106,0.16061932212353336,0.18677274410109357,0.2287368030076561,0.23474186953225587,0.24589690404145675,0.25085625937923,0.2566334901976272,0.2572398617491857,0.2653404843833989,0.26913486579745827,0.2708820274789871,0.27432191054898,0.27834012145104253,0.2847637322968637,0.29110974831470415,0.29495525802743927,0.29951300084374805,0.29953920619468954,0.3002270509897085,0.30090431073936896,0.3014513082527135,0.3034660480517649,0.3052314646464729,0.30545515776538396],"n_dims_used":45,"mean_confidence":0.8933236016167535},"coverage":{"mean_confidence":0.8933236016167535,"n_dims_used":45,"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}}