{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001471},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001461","490:4900003898","490:4900002031","490:4900001600","490:4900001598","490:4900004184","490:4900001696","490:4900002180","490:4900001342","490:4900001430","490:4900000953","490:4900002793","490:4900003893","496:4960004665","490:4900001607","490:4900001875","490:4900002332","490:4900002483","487:4870002206","490:4900002786","490:4900002628","490:4900001030","490:4900002318","490:4900003073","490:4900004597"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,496,490,490,490,490,487,490,490,490,490,490,490],"twin_sims":[0.7440393946043952,0.6677015002691284,0.6626654752735159,0.6462999901881217,0.6230350573528068,0.6163627702691068,0.6084559910398909,0.5808327324254106,0.554446427370447,0.5436377986360539,0.5374925788973314,0.498896487422812,0.47636890539816734,0.45645578492497463,0.4505919780400468,0.4408829020415967,0.43313000613937924,0.429385387443663,0.4131235394594288,0.4125923995059067,0.4114637555523467,0.40566360759301356,0.4017359320868172,0.39533506360465154,0.3947422182964427],"twin_dists":[0.0998702373353778,0.11673022700187927,0.11781913683610608,0.12134635634795164,0.12633957421126876,0.1277689834396849,0.1294622208226247,0.13538036562905184,0.14105410803668178,0.1433889704098887,0.14472008303244768,0.15315904457805557,0.1581658743342142,0.16265590300326022,0.1639912200669492,0.16621661081280475,0.1680073305667226,0.16887683252290472,0.172689960390761,0.1728155723647024,0.17308272513523176,0.1744607440038111,0.17539887695610865,0.17693668609116633,0.17707969273770505],"n_dims_used":45,"mean_confidence":0.9175606621636285},"coverage":{"mean_confidence":0.9175606621636285,"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}}