{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000146},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["495:4950000815","495:4950000582","480:4800000239","491:4910003347","495:4950000576","490:4900005936","495:4950000635","495:4950000814","495:4950000477","495:4950000717","480:4800000210","480:4800000117","495:4950000716","491:4910002899","495:4950000580","495:4950000712","495:4950000070","491:4910003489","480:4800000241","495:4950000723","491:4910003043","495:4950000429","491:4910002492","491:4910003402","480:4800000240"],"twin_admin_codes":[495,495,480,491,495,490,495,495,495,495,480,480,495,491,495,495,495,491,480,495,491,495,491,491,480],"twin_sims":[0.613914848175686,0.4257935671839162,0.37207335223593896,0.2843291570558991,0.25825598337743055,0.257635275069961,0.25334039307011824,0.2403142348872313,0.2399936621747909,0.23122066026633153,0.22944874951361263,0.22541356033956578,0.21692402465286215,0.19769993754356224,0.18463865828976514,0.18441685268616015,0.1800503489803015,0.17999307589533228,0.16462017948060856,0.16133252867053477,0.15797247053068794,0.15274138153907982,0.14388156406479177,0.14334426161653982,0.14035506163871286],"twin_dists":[0.12829325607003275,0.16971376983227646,0.18262627522913039,0.20597477127011102,0.213706012418764,0.2138958567733903,0.21521744739409127,0.21931551314224837,0.21941815242585452,0.2222624776848673,0.22284551573832012,0.2241844719261409,0.22705448926953692,0.23384656939807147,0.23872574012640418,0.2388106546697576,0.2404971662540789,0.24051947849933472,0.24670098334394017,0.2480764296338537,0.2495033576296015,0.25176959783345365,0.2557416164426195,0.2559882560118643,0.25737308856093144],"n_dims_used":42,"mean_confidence":0.8926417032877604},"coverage":{"mean_confidence":0.8926417032877604,"n_dims_used":42,"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}}