{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001052},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000789","490:4900000826","490:4900000930","490:4900001295","494:4940008337","490:4900001009","490:4900003219","494:4940008132","494:4940008444","494:4940008445","494:4940007276","490:4900000689","496:4960008265","490:4900000480","490:4900000507","494:4940008536","490:4900001035","494:4940008233","494:4940007171","494:4940003940","494:4940008027","494:4940008538","494:4940008433","496:4960008959","490:4900000802"],"twin_admin_codes":[490,490,490,490,494,490,490,494,494,494,494,490,496,490,490,494,490,494,494,494,494,494,494,496,490],"twin_sims":[0.5900418787509848,0.541086028328565,0.5365044021444257,0.5236440002961282,0.5007980958157209,0.49425253105185374,0.49131567804787013,0.4802709574424689,0.47966694211474825,0.47121277798306577,0.468893145062178,0.4539662227809472,0.4355382704938176,0.4051655922261491,0.4041291527748446,0.40028179277944864,0.3991895574909735,0.39840725183342063,0.3945147828426443,0.39390354940543604,0.391663343481045,0.39113759246550756,0.3896467453496859,0.3889656021151014,0.38716523961930954],"twin_dists":[0.13340604210285814,0.1439413649847194,0.14493440126640783,0.1477310977433094,0.15273949377941023,0.15418554466455053,0.1548361468637792,0.1572934831636477,0.15742837499635823,0.1593222301672463,0.15984382627528246,0.16322205625001318,0.1674497314807639,0.17457946994891294,0.1748267644654876,0.17574724822209845,0.176009295146989,0.1761971850938651,0.17713458123739617,0.17728216681671174,0.17782398731488216,0.17795135541982776,0.1783129633112951,0.17847839192558884,0.17891630244436385],"n_dims_used":45,"mean_confidence":0.9173580593532986},"coverage":{"mean_confidence":0.9173580593532986,"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}}