{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001008},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000769","480:4800004030","494:4940008671","494:4940008000","496:4960009278","490:4900006263","490:4900002792","480:4800004107","490:4900003839","494:4940008835","466:4660004690","490:4900004180","480:4800004613","487:4870003389","490:4900001419","494:4940004354","490:4900001171","490:4900001006","490:4900002484","490:4900001842","494:4940004710","496:4960009377","490:4900000905","494:4940008221","490:4900001040"],"twin_admin_codes":[490,480,494,494,496,490,490,480,490,494,466,490,480,487,490,494,490,490,490,490,494,496,490,494,490],"twin_sims":[0.2772514241834624,0.2728371942195683,0.25219354354246665,0.2500454157856014,0.23749726813121305,0.22659328883510288,0.22587530912801113,0.22514319468512256,0.20012290584410394,0.19089884972150645,0.18445198554605718,0.18140393913927064,0.1795170103285401,0.17180536800896207,0.16740928609319755,0.16560544469272437,0.16280695900820963,0.16130769541134624,0.1569388830922403,0.1432648520035043,0.14265012170874383,0.13837258328402977,0.13772070653405494,0.1372138958785569,0.13658500296385645],"twin_dists":[0.2080288101845152,0.2093260903666404,0.2155727502847272,0.21624103808713416,0.22022050228588297,0.2237913827214854,0.2240304535063969,0.22427475093680596,0.23296627432251651,0.23635812048857466,0.238797199853837,0.23997129596482822,0.24070513740844823,0.24376254752459756,0.2455495994530815,0.24629265452101706,0.24745708844955702,0.24808689605570952,0.2499467375761216,0.25602476583860684,0.2563079076558809,0.25830369453734287,0.2586118703296192,0.2588522204217847,0.2591513922279875],"n_dims_used":45,"mean_confidence":0.9136411878797743},"coverage":{"mean_confidence":0.9136411878797743,"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}}