{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001082},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800000551","480:4800000316","480:4800000397","480:4800000801","487:4870000014","480:4800000312","480:4800000583","480:4800000528","480:4800000309","480:4800000537","480:4800000760","480:4800000652","480:4800000751","466:4660011772","480:4800000565","480:4800000532","480:4800001008","480:4800000530","480:4800000335","480:4800000724","466:4660009980","480:4800000337","480:4800000511","480:4800001083","480:4800000477"],"twin_admin_codes":[480,480,480,480,487,480,480,480,480,480,480,480,480,466,480,480,480,480,480,480,466,480,480,480,480],"twin_sims":[0.3474980276912399,0.3310462152491072,0.27356206707178293,0.24118478216992162,0.20889052994900043,0.18054158492292585,0.17309620910578458,0.16323831420247675,0.1548177700320494,0.15353853351553387,0.1517471813895005,0.1490203361450234,0.146301223467105,0.14489551246076118,0.1387041656168792,0.13867436205910671,0.1349211668150532,0.13452427126745287,0.13391592769288663,0.13098249785317886,0.12462501422793952,0.12431215254970841,0.12166503313237066,0.12163040179142365,0.12051083231085298],"twin_dists":[0.1888319923563556,0.19311574557269276,0.20911218175463084,0.21903723353353552,0.2298407808704618,0.24030599844512437,0.24324404308860423,0.24727666477670399,0.25086335772141943,0.251420619001565,0.2522067191022254,0.25341654282832066,0.25463930095181614,0.2552780361096977,0.25814735456655774,0.2581613954188985,0.2599479064426765,0.26013899622800285,0.2604327133321061,0.2618632700439389,0.26504872022671355,0.2652086332523741,0.2665740617254925,0.2665920744943782,0.26717651467299536],"n_dims_used":43,"mean_confidence":0.9141390600869822},"coverage":{"mean_confidence":0.9141390600869822,"n_dims_used":43,"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}}