{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900006532},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004852","490:4900006167","490:4900006173","490:4900006406","490:4900006176","490:4900005268","490:4900007514","490:4900005783","490:4900006174","490:4900006525","490:4900007641","490:4900006766","490:4900006170","490:4900005254","490:4900005118","490:4900004708","490:4900005907","490:4900005517","490:4900006538","490:4900006049","490:4900004975","490:4900006646","490:4900005142","490:4900005676","490:4900007386"],"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":[0.6651532977690764,0.6600387066071867,0.657258806511215,0.6362665723487373,0.6177872621831444,0.6000256483719907,0.5779237892304967,0.5628060414779198,0.5343929095936945,0.5315425394463379,0.5214544353354558,0.5106900409882806,0.5032653100980216,0.4940079925330082,0.4783486093669783,0.47646583970703243,0.4673797789320348,0.45725920469903014,0.4330835895770308,0.43042371129989887,0.42838412397206094,0.4245333282063067,0.420725069085963,0.4203488403128661,0.4158969684068284],"twin_dists":[0.1172814429756994,0.11838639048595258,0.11898621339811698,0.12350205592421039,0.12746386859877695,0.1312674380253167,0.13600448268057483,0.13925309674810657,0.14539260912099417,0.14601174082521534,0.14820874305577664,0.15056396378478196,0.15219580974255797,0.15423967411783734,0.15772298077357833,0.15814417458930166,0.16018459604208202,0.16247343639439338,0.1680180898546066,0.16863542592292521,0.16910984869359025,0.1700081113149435,0.17089979443692602,0.17098807027958574,0.17203519140158158],"n_dims_used":45,"mean_confidence":0.9171614752875434},"coverage":{"mean_confidence":0.9171614752875434,"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}}