{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900008554},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900008553","490:4900008775","490:4900008661","490:4900007893","490:4900009003","490:4900008887","490:4900008784","490:4900008555","490:4900008664","490:4900007052","490:4900004617","490:4900008551","490:4900007785","490:4900006803","491:4910001684","490:4900006801","490:4900006439","490:4900010826","490:4900011689","490:4900008326","490:4900009524","490:4900008457","490:4900005946","490:4900007418","490:4900011502"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,491,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.02451556264139776,0.017134111305783573,0.01711551071671798,0.007646400689237351,0.004543013401199339,0.004421144255266478,0.0040503572143147015,0.0036087117872457904,0.003098444906580169,0.0016794361777583964,0.0015332127870134355,0.0012641258697697782,0.0006262040880667654,0.0006013654678977905,0.0005207140366872359,0.0004841692852343897,0.00025269647766191947,0.0002514249880906223,0.0002513428184086798,0.0002434769478992513,0.00023806638456780148,0.00023057322517016848,0.0001998184995377704,0.00018689467877915393,0.00017101657325321268],"twin_dists":[0.3536998626980503,0.37038983290031813,0.37043929363837913,0.40547140410919896,0.4265804489607315,0.42765429369834757,0.43109527936044034,0.4355892109502029,0.44145310414871547,0.46426440448117184,0.4675622196408285,0.4744730938195843,0.49882064252124125,0.5001873618986927,0.5050200639175986,0.5074446005720871,0.5286169717611596,0.5287779062089984,0.5287883328460035,0.5298015820466293,0.5305165669571588,0.5315324088790508,0.5360560961591334,0.5381559129136533,0.5409315298666653],"n_dims_used":45,"mean_confidence":0.8852166069878472},"coverage":{"mean_confidence":0.8852166069878472,"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}}