{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001873},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800004697","494:4940006837","466:4660011845","487:4870007187","490:4900002172","490:4900000714","490:4900001726","496:4960004819","490:4900000826","490:4900003221","494:4940007796","490:4900002185","490:4900003219","490:4900007875","470:4700005094","490:4900001052","494:4940007920","490:4900001334","496:4960005122","487:4870007902","494:4940007513","490:4900000507","487:4870001869","490:4900001725","490:4900003487"],"twin_admin_codes":[480,494,466,487,490,490,490,496,490,490,494,490,490,490,470,490,494,490,496,487,494,490,487,490,490],"twin_sims":[0.4450649395487006,0.4131717177753965,0.4085530842313669,0.3961187729941153,0.39024516772982015,0.38204124016451857,0.35672984788635625,0.351319000811265,0.3415065989308258,0.3393762358478858,0.33650568280452026,0.33390338009714104,0.32781628509663324,0.3275529246807046,0.3267077535997074,0.3186224216220921,0.3129061108030436,0.31151781971550807,0.3071825979639732,0.30627297714033946,0.3037933435375407,0.3018786384378522,0.2946112998085891,0.29316221847189045,0.28937880713912284],"twin_dists":[0.16525578799730134,0.17267856993039823,0.17377317288641034,0.17674779073219365,0.17816773705016725,0.1801679552647804,0.18647520829848974,0.1878526272488739,0.19037918986282876,0.19093280744327293,0.1916817414706417,0.19236367997046738,0.19397022590548926,0.19404010204238387,0.19426455696405753,0.19642832546249694,0.19797678502854868,0.19835527135593936,0.19954342657826452,0.19979394826060282,0.2004790644471173,0.20101031510255848,0.20304482968670035,0.20345402625560835,0.2045280891389866],"n_dims_used":45,"mean_confidence":0.9167922125922309},"coverage":{"mean_confidence":0.9167922125922309,"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}}