{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900009820},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010022","490:4900010120","490:4900010818","490:4900010306","491:4910004910","490:4900009921","490:4900007885","491:4910003996","490:4900010146","490:4900011140","491:4910004853","491:4910005416","491:4910003733","490:4900011949","491:4910003945","491:4910005415","490:4900009822","491:4910005569","490:4900011361","490:4900012112","490:4900010212","491:4910002517","490:4900011139","490:4900009622","491:4910004956"],"twin_admin_codes":[490,490,490,490,491,490,490,491,490,490,491,491,491,490,491,491,490,491,490,490,490,491,490,490,491],"twin_sims":[0.0288188789552622,0.027832565118027106,0.016263175654587396,0.011187771406822694,0.01042650802796976,0.00994478330404744,0.009617655827852473,0.009474729264050878,0.008081268357673747,0.007833425958604732,0.007487956783699519,0.00701358668606828,0.006865631806920088,0.006563160207083083,0.006196145007953283,0.005836727706349238,0.005660297224656659,0.0051912861748160365,0.004510686348618787,0.0038538131189720264,0.003301089196244232,0.003275066783456851,0.0026057857438881956,0.0026028603550905184,0.002478275392393442],"twin_dists":[0.3459016046966006,0.3475955953085193,0.3727579645780927,0.38931744124050527,0.3923587091010433,0.39438702052639396,0.39581494121319727,0.39645246555852504,0.4031638148938788,0.40446490790284084,0.40634152408475127,0.40904922044150743,0.40992746784458195,0.41177721784669635,0.4141276866055387,0.4165544736336459,0.4177955018824902,0.4212730316238821,0.4268627256022247,0.4330371514663106,0.43902582375144106,0.43932978276659274,0.4480207141266148,0.4480630021988402,0.44990563330369926],"n_dims_used":45,"mean_confidence":0.8857430352105035},"coverage":{"mean_confidence":0.8857430352105035,"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}}