{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000525},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800000561","480:4800000526","480:4800000600","480:4800000522","495:4950001503","495:4950001386","480:4800000524","480:4800000488","480:4800001188","495:4950001109","495:4950001728","495:4950001745","480:4800001171","495:4950001844","495:4950000956","495:4950001059","480:4800000486","495:4950001100","480:4800000560","480:4800001111","495:4950001377","495:4950001008","495:4950001787","495:4950001434","495:4950001047"],"twin_admin_codes":[480,480,480,480,495,495,480,480,480,495,495,495,480,495,495,495,480,495,480,480,495,495,495,495,495],"twin_sims":[0.4335547057869387,0.34232011277809016,0.30482634725166524,0.2441023840647635,0.2382043897300279,0.18144308632647788,0.1657086189613629,0.14439475966896465,0.13444660018374813,0.1301541574377392,0.11346130470169388,0.11311859299919605,0.1104383411337745,0.11025205246554926,0.10722430594806849,0.1042411377927364,0.08813214819378713,0.08340048317153848,0.08309263438973419,0.08258849045934448,0.0747469562194434,0.0682053210331195,0.06686276954090005,0.06254478002169786,0.05669072557029621],"twin_dists":[0.16790890736574146,0.19016826977194784,0.20019325627457257,0.2181093080636534,0.21999267569996822,0.2399561286356237,0.24624999702279335,0.2555066800905231,0.26017644133697776,0.26227159610936046,0.270955249354585,0.271143500300563,0.2726311374237576,0.272735566677789,0.2744523154099379,0.2761809864186838,0.2862498463917616,0.2894832796150304,0.2896986739669148,0.2900527925163573,0.2957973370457021,0.3009745732067792,0.30208666021334735,0.30579154186832724,0.3111649965353982],"n_dims_used":43,"mean_confidence":0.9024817888126817},"coverage":{"mean_confidence":0.9024817888126817,"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}}