{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003980},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003438","490:4900001828","490:4900000659","490:4900007362","490:4900003298","490:4900000894","490:4900001820","490:4900003440","490:4900001153","490:4900006519","490:4900004280","490:4900006882","490:4900003439","490:4900003173","490:4900003037","490:4900002450","490:4900003038","490:4900001687","490:4900003307","494:4940008780","490:4900003297","490:4900004406","490:4900002889","490:4900004127","490:4900001285"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,494,490,490,490,490,490],"twin_sims":[0.4835127611569186,0.4233400891814897,0.3905443568971336,0.31478906445694677,0.2950534372394888,0.292630964719596,0.2746255268127578,0.26757075075230674,0.2630718325957133,0.26232834449212894,0.2522847112195677,0.2516889160229581,0.2412408260925,0.23880431077626083,0.2353011246630089,0.23476169195066895,0.2345858862966738,0.23364720905221847,0.23131078528228485,0.21999758745150727,0.21962775414687552,0.2184248500534983,0.21522991731398564,0.21333365707249485,0.21132473404436294],"twin_dists":[0.15657042193024698,0.1702871397805676,0.1780951684097753,0.19746496496423038,0.20292021441997352,0.20360434350172887,0.2087989858297815,0.21089083543936404,0.21224274174655125,0.21246754314283517,0.21554446824303908,0.21572941380524552,0.21901934084285027,0.21979973316456283,0.22093091029547063,0.2211060685678901,0.22116321106127323,0.22146878734279882,0.22223290133810714,0.22600688714371986,0.22613242040756007,0.22654170730151477,0.22763618557547205,0.22829096909864524,0.22898896418709902],"n_dims_used":45,"mean_confidence":0.9199083116319444},"coverage":{"mean_confidence":0.9199083116319444,"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}}