{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011124},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011407","490:4900011675","490:4900010885","490:4900011986","490:4900010800","490:4900010692","490:4900010440","490:4900012075","490:4900011123","490:4900010439","490:4900010543","490:4900011739","490:4900011543","490:4900010619","490:4900011930","490:4900010883","490:4900011997","490:4900011722","490:4900011199","490:4900010521","490:4900009365","490:4900012128","490:4900011406","490:4900010526","490:4900010861"],"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":[0.496798003010058,0.4853172243860201,0.38369784595936735,0.3692741170715555,0.36297925593600067,0.29064131317941405,0.23530031915959213,0.2263076378235683,0.20716884481420758,0.20284356244866122,0.1948152504117314,0.16593562710539925,0.15597312233533925,0.15542680825372437,0.13809954918737577,0.13680333664946642,0.13294677398661356,0.13128149628612967,0.12945862695669663,0.12077365613400601,0.11668050049359005,0.10685015620166659,0.09963481428341374,0.09623004089819276,0.0959500987111513],"twin_dists":[0.15362255410388234,0.1561686065392872,0.1797624203770565,0.18332243208733814,0.18489763209761942,0.20416875581905103,0.2209311716530389,0.22388643766756774,0.23044734790804638,0.2319865357056909,0.23490439865978271,0.24615620774194524,0.25036295233530464,0.2505992323930649,0.258432639490292,0.25904741167366885,0.26090271255319286,0.2617163586863118,0.2626159718326619,0.26703894372507025,0.26920796785111845,0.2746670598615414,0.2789275655428282,0.28102232406729477,0.2811971323339512],"n_dims_used":45,"mean_confidence":0.9154884338378906},"coverage":{"mean_confidence":0.9154884338378906,"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}}