{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002370},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002669","490:4900003776","490:4900002966","490:4900003916","490:4900002970","490:4900007047","490:4900004054","490:4900002670","490:4900002521","490:4900003779","490:4900002967","490:4900004053","490:4900002821","490:4900002818","490:4900002964","491:4910001965","490:4900003915","490:4900004471","490:4900002820","490:4900003772","490:4900003505","490:4900003498","490:4900003630","490:4900006198","490:4900004608"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,491,490,490,490,490,490,490,490,490,490],"twin_sims":[0.8082298818709975,0.6142657818340995,0.32036481976773784,0.28384888910494543,0.2753841912547111,0.2742037052051408,0.2657704467929372,0.25326391801019277,0.2500450292148156,0.22708491158752028,0.21638114980365797,0.21042779705549747,0.2074414024071073,0.2021878184563283,0.1994106330369462,0.19642090867587894,0.19584563061442584,0.19555271749331402,0.19277528011644537,0.17817216785595116,0.17072617639245483,0.1697021809761715,0.16370815735918431,0.15703806264181663,0.15687376830054225],"twin_dists":[0.08474919911515355,0.12821810003176795,0.19595945972910006,0.20611316520046385,0.20857600840295398,0.20892312587289108,0.21143010687863117,0.21524110807767283,0.21624115867952978,0.2236279732792764,0.22724055901095794,0.22930205565128797,0.23035109474790583,0.232221845894953,0.23322428506669446,0.23431426691908766,0.23452531444909502,0.23463293822938042,0.2356590462556545,0.24123150046727668,0.24419818199710766,0.24461336524313657,0.24708053507407735,0.24990410008471067,0.2499747412557681],"n_dims_used":45,"mean_confidence":0.8987519158257379},"coverage":{"mean_confidence":0.8987519158257379,"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}}