{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":487,"cluster_id":4870001992},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["487:4870002324","466:4660011148","494:4940006373","494:4940006371","487:4870003491","496:4960008572","494:4940006681","487:4870001921","494:4940007548","494:4940007810","487:4870000277","487:4870000895","490:4900000882","466:4660008821","487:4870002157","490:4900000814","466:4660009847","487:4870002495","494:4940008817","494:4940008015","466:4660011943","487:4870002274","494:4940004335","494:4940008888","490:4900001855"],"twin_admin_codes":[487,466,494,494,487,496,494,487,494,494,487,487,490,466,487,490,466,487,494,494,466,487,494,494,490],"twin_sims":[0.22323782595755176,0.16753946533698572,0.1302581428279745,0.12973033485139016,0.11487097707581873,0.11071364515852519,0.10900530035013364,0.10581298737701306,0.10178276124502693,0.09244602886090035,0.08492913597068327,0.07861154612871382,0.07827487415020806,0.07631041874162237,0.07426035949800858,0.0714207947245087,0.06982759985325354,0.06948439756289869,0.06876069269346763,0.06396583305924518,0.06251247860651654,0.06243281150001459,0.06221204476850841,0.06099228703508849,0.060945373472226706],"twin_dists":[0.22491303524919773,0.24549619849023707,0.2622202296282898,0.26248127609413757,0.27018549201019754,0.2724770571954686,0.27343800408453117,0.27526541494536994,0.27763475007477256,0.2834199535738599,0.28842302418316657,0.29290867507436963,0.2931557249424999,0.294614530673521,0.2961695345114702,0.2983817213170011,0.29965429852039477,0.2999315148901273,0.3005197428590415,0.3045497852045672,0.30582003529236784,0.305890362121123,0.3060856309936581,0.3071748732477701,0.30721712285870934],"n_dims_used":43,"mean_confidence":0.9101225387218387},"coverage":{"mean_confidence":0.9101225387218387,"n_dims_used":43,"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}}