{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010535},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010706","490:4900010959","490:4900010872","490:4900010447","490:4900010534","490:4900012059","490:4900010793","490:4900010877","490:4900010524","490:4900010448","490:4900010610","490:4900010178","490:4900010951","490:4900010875","490:4900010710","490:4900010275","490:4900009879","490:4900010691","490:4900010874","490:4900010174","490:4900010622","490:4900010449","490:4900010871","490:4900009880","490:4900010705"],"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":[0.6968976978038912,0.48743449264346517,0.4118741694633848,0.3977085105502962,0.3691757724148742,0.3483792077152121,0.33868152618183667,0.27530525729707306,0.25713182639109233,0.25301912380414604,0.23364511914932268,0.22004827072741037,0.218432062171733,0.20779346854416303,0.20695665118287354,0.20080048894300764,0.1911934270703144,0.1878496197043548,0.18566732574635755,0.17693098334233756,0.17053741056673563,0.16990852140752966,0.16926507191197185,0.16170975452308672,0.15369779033564462],"twin_dists":[0.11037293792571805,0.15569772272648108,0.1729855422265794,0.1763651474911812,0.18334693754359954,0.18860563493587834,0.19111374478291246,0.2085991901588401,0.21405004931529295,0.21531687572888492,0.22146946858563601,0.2259896946341393,0.2265392488847925,0.23022689090055382,0.23052234349802603,0.2327214162060905,0.2362480579654659,0.2375044354852793,0.2383328678942406,0.24171980182589,0.2442745833051456,0.24452955927888934,0.24479114079249825,0.2479175846432806,0.25135105854920947],"n_dims_used":45,"mean_confidence":0.9186899820963542},"coverage":{"mean_confidence":0.9186899820963542,"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}}