{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001823},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002594","490:4900001971","490:4900001674","490:4900003185","490:4900001278","490:4900001671","490:4900001833","490:4900001412","490:4900002597","490:4900005109","490:4900003043","490:4900004694","490:4900001540","490:4900004557","490:4900004558","490:4900001822","490:4900004411","490:4900005624","490:4900004962","490:4900003699","490:4900004822","490:4900004276","490:4900005636","490:4900005639","490:4900002285"],"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":[0.775728480097624,0.7543115985457828,0.6685145010104999,0.6514112850530263,0.6274726972881227,0.6004742313636108,0.566119808746184,0.5089645435311299,0.4975668682491287,0.482095263571603,0.48075626749689915,0.4725514411255279,0.4722863200035514,0.4461171375455103,0.4429305143441294,0.43799322460549317,0.43408950952626746,0.432195985303606,0.4268506616285285,0.4115353939392541,0.4111812997172398,0.4082020068274842,0.40770787614925885,0.3991271642512203,0.39806687104305716],"twin_dists":[0.09255828000893097,0.0975269606190038,0.11655425800658833,0.12024639127842167,0.12538843598638688,0.13117137410134697,0.13854017182191433,0.15094264390919335,0.1534526642455601,0.1568863962126123,0.1571851403303855,0.15902160916159375,0.15908112429084556,0.1650145924502189,0.1657457345730862,0.16688258494951883,0.16778502285517105,0.1682239246486677,0.16946715316639163,0.173065758658617,0.17314963314416573,0.17385659895437902,0.17397407234016932,0.1760242742537442,0.1762789884867503],"n_dims_used":45,"mean_confidence":0.9204433865017361},"coverage":{"mean_confidence":0.9204433865017361,"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}}