{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000321},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800000472","480:4800000467","480:4800000931","480:4800000843","480:4800000548","480:4800001195","480:4800000353","480:4800000310","480:4800000648","480:4800000726","480:4800000509","480:4800000440","480:4800000474","480:4800000689","480:4800000604","480:4800000410","480:4800000340","480:4800000473","480:4800001048","480:4800000839","480:4800000837","480:4800000380","480:4800001130","480:4800000918","480:4800000381"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.5258362845828414,0.5124640842299752,0.4147396593990969,0.354743870556661,0.3457169597831172,0.330006523942408,0.3274394750170153,0.3110532431083142,0.30918249524271785,0.3068140213217308,0.2872761251791363,0.28090425763985877,0.2778340560879167,0.2630729655759283,0.2558058426535048,0.2546634395873235,0.24462945566763147,0.24225436120908728,0.21582361708564568,0.21023058167103592,0.2095619029647571,0.20794113509996492,0.20437223217822637,0.2041304851802873,0.2030345431836316],"twin_dists":[0.14725331348591625,0.15017497094836588,0.17230818627090877,0.18697950518975034,0.1892904389311015,0.1933902946950769,0.19407021264553975,0.19848214270576597,0.19899412656208257,0.1996448858516544,0.20512863627040392,0.2069647970252631,0.20785852904851243,0.212242399481752,0.21445707724009258,0.21480882534183807,0.2179424416993994,0.2186962214848835,0.22743198019815863,0.22937101858306033,0.22960517212304024,0.23017483898385918,0.23144000083526112,0.23152624397256694,0.23191810154622322],"n_dims_used":43,"mean_confidence":0.9099474175031795},"coverage":{"mean_confidence":0.9099474175031795,"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}}