{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900006572},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900006695","490:4900006212","490:4900006335","490:4900006817","490:4900006944","490:4900006452","490:4900007574","490:4900006451","490:4900006939","490:4900004234","490:4900007206","490:4900004232","490:4900006574","490:4900009639","490:4900006088","490:4900004230","490:4900007316","490:4900006217","490:4900006694","490:4900004782","490:4900004092","490:4900007192","490:4900007185","490:4900009659","490:4900006816"],"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":[0.005309435670337459,0.004303926209654997,0.0023951454031847542,0.0015500227031595647,0.0013563758795832246,0.0008788717010796331,0.000772265950913271,0.000738397336332367,0.0006669212706263579,0.00018479907159989434,0.00014257161710892093,0.00009938770740944214,0.00008172832937707469,0.00007293727429856682,0.000054602624596874414,0.00003548942028415561,0.00003421376059133091,0.00003330475143665445,0.00002526969711957023,0.000023133512288362034,0.000016979631463161035,0.000015286744296280908,0.000015234462379135334,0.000013248536596781316,0.000012083519148682726],"twin_dists":[0.42037102387561565,0.42871281443122017,0.4511829721646617,0.4671686838500918,0.47196249056033923,0.48722398353395074,0.4916802320252305,0.49321633241330787,0.496685906182652,0.5385092231771748,0.5465746190868774,0.5575982940733248,0.5634849719605091,0.5668812568680953,0.5754312960564858,0.5879249182549428,0.5889742170399822,0.5897448880037532,0.597589326988672,0.6000771453058773,0.6087081879937593,0.6116116143700606,0.6117060897510921,0.6155454303420934,0.6180625217440441],"n_dims_used":45,"mean_confidence":0.909466298421224},"coverage":{"mean_confidence":0.909466298421224,"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}}