{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004236},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004663","490:4900003143","490:4900005339","466:4660004808","490:4900006401","490:4900003814","490:4900008834","490:4900003147","490:4900012135","490:4900003975","490:4900003686","490:4900007478","490:4900012906","490:4900009267","490:4900008708","490:4900013143","494:4940008379","490:4900003813","490:4900006142","490:4900001807","490:4900004366","490:4900009575","490:4900003719","490:4900005488","490:4900011876"],"twin_admin_codes":[490,490,490,466,490,490,490,490,490,490,490,490,490,490,490,490,494,490,490,490,490,490,490,490,490],"twin_sims":[0.0027031466070149236,0.002037659339322379,0.0012737148841788404,0.0011462871184438688,0.0011332032852966586,0.0011090611922096143,0.0007633504073726923,0.0006193122589314992,0.0005923239997628651,0.0005481977675031565,0.0004975923669395411,0.0003998412712655584,0.0002925204705488047,0.0002487699321002093,0.0002442145481105237,0.0001939233393438716,0.00016627845881961024,0.00013714004884871167,0.00012939712687674062,0.00012107441761462038,0.00011264372755506082,0.00011024734155351913,0.00010696848711979462,0.00009569519974994907,0.0000818967316752934],"twin_dists":[0.4466375413634403,0.45718599617763545,0.4742043733381459,0.4779390715319683,0.4783440418517898,0.4791027904172854,0.49207842087399883,0.49919471861975323,0.5006979600792059,0.5032992292317553,0.5065347883021006,0.5137662329510794,0.5239264922834906,0.5291164414407336,0.5297052701146703,0.536997558051867,0.5418069333859703,0.5477719716619179,0.5495586217289831,0.5515953162267613,0.5537979891802183,0.5544525508547075,0.5553702866729673,0.5587423967104421,0.563423352563747],"n_dims_used":45,"mean_confidence":0.9257212320963542},"coverage":{"mean_confidence":0.9257212320963542,"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}}