{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004307},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003728","490:4900004292","490:4900004304","490:4900003058","490:4900003084","490:4900003063","490:4900003866","490:4900002639","490:4900001996","490:4900002601","490:4900002900","490:4900004008","490:4900001034","490:4900003593","490:4900004591","490:4900003879","490:4900000666","490:4900001847","490:4900000657","490:4900004446","490:4900003209","490:4900004043","490:4900004592","490:4900000898","490:4900004031"],"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":[0.8728213964779342,0.7057236096501218,0.6796079742751769,0.6555030609513082,0.61121764472116,0.5643075963579641,0.5617699302794626,0.5515431160257104,0.5503631336903897,0.5012531658657309,0.49336417208422545,0.4658996960812639,0.4580651008473914,0.4575332957320798,0.45439313807830617,0.4537868896565059,0.449999199120174,0.43796103749969406,0.4127294958319335,0.4092842113731255,0.406571222159479,0.3987389189775183,0.3984400299356828,0.3958414961720543,0.39143422389297605],"twin_dists":[0.06774030405931926,0.10843261403363667,0.11414765484498289,0.11936480115343594,0.1288708580444841,0.13892998650261304,0.13947611627265372,0.14168053759542565,0.14193528411224018,0.15263915764732736,0.15438222335410365,0.1605182371562888,0.16229052361337587,0.1624112134244381,0.16312489072934871,0.1632628822946917,0.16412656532290718,0.166890012703358,0.17278314303159545,0.17359953755637675,0.17424453728396488,0.17611750654025765,0.17618930924925438,0.17681460232258495,0.17787948385874894],"n_dims_used":45,"mean_confidence":0.9168551974826389},"coverage":{"mean_confidence":0.9168551974826389,"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}}