{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010263},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010352","490:4900010353","490:4900010447","490:4900009880","490:4900010362","490:4900009374","490:4900010176","490:4900010178","490:4900009476","490:4900010871","490:4900010354","490:4900010691","490:4900010449","490:4900011732","490:4900009366","490:4900010777","490:4900010706","490:4900012205","490:4900010790","490:4900009684","490:4900009879","490:4900010614","490:4900010076","490:4900008831","490:4900002265"],"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":[0.5423793090701094,0.497657646862556,0.429175810163022,0.347070499808974,0.33489717030719957,0.25003605541811214,0.2430087588657942,0.22327564515968007,0.21554792463810316,0.19627828018334773,0.19526888915974216,0.18516889087693592,0.18507781752024977,0.17762811127032505,0.17343397196083923,0.1720845057809677,0.17091566075845546,0.1689439910125414,0.1624495780792849,0.14850526253914706,0.144230106333631,0.1435615730285195,0.1290551672562911,0.12522038056498977,0.11852012544792166],"twin_dists":[0.14366134262684208,0.15343261056401125,0.1689255873791141,0.1889419246052024,0.19210291606133464,0.21624395812695574,0.21845628399778688,0.22490033087945652,0.22752675854074905,0.23436655188275637,0.23473733074534164,0.2385230401039468,0.2385578270120447,0.24144524225426212,0.24310882737665448,0.24365018793960327,0.2441215507685556,0.24492193705726822,0.24760683330811223,0.25364689418771924,0.2555819893307128,0.25588842037826076,0.2628163764250428,0.2647452511663196,0.2682260340288554],"n_dims_used":45,"mean_confidence":0.9213075425889757},"coverage":{"mean_confidence":0.9213075425889757,"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}}