{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900012900},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900012260","490:4900013110","490:4900012765","490:4900012698","490:4900012957","490:4900013037","490:4900013002","490:4900012415","490:4900012259","490:4900012837","490:4900012901","490:4900012831","490:4900012763","490:4900012344","490:4900012256","490:4900013098","490:4900013041","490:4900012272","490:4900012553","490:4900013069","490:4900012764","490:4900012696","490:4900012476","490:4900012997","487:4870001287"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,487],"twin_sims":[0.5692934156603084,0.48404498904148385,0.4543347846972057,0.4469375485730511,0.4218771368282407,0.4081167070148749,0.3541325400344661,0.35237695986783535,0.3189452323893709,0.290869792220802,0.28423827398760504,0.25322079558745064,0.23204383879084337,0.22637209849594941,0.22262311616114286,0.21905039004057533,0.2138511975031454,0.19972057251127012,0.19286266565020022,0.1919381026688776,0.19126157171638963,0.18041158273694105,0.1685998722951036,0.1595899701533527,0.14803884717110635],"twin_dists":[0.13785787550106274,0.15645185783114607,0.16313816992990657,0.164826679701819,0.17062968784746327,0.17387687342448285,0.18713503325186215,0.18758244490028253,0.1963413510495528,0.20410382575281488,0.20600094930652285,0.21525445176382454,0.22199261630565786,0.2238649803962066,0.22511973241757255,0.22632867980931168,0.22811187222998663,0.23311193590657941,0.23562660607567182,0.2359703524245529,0.23622261403316366,0.24035655380564305,0.2450623165889755,0.24881372035804558,0.25385599372580914],"n_dims_used":45,"mean_confidence":0.9133746676974827},"coverage":{"mean_confidence":0.9133746676974827,"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}}