{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":499,"cluster_id":4990002011},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["499:4990001846","488:4880006426","479:4790001126","488:4880000695","478:4780001691","499:4990003920","472:4720002758","477:4770003934","485:4850002054","479:4790002372","479:4790003824","496:4960007382","477:4770003811","469:4690003667","493:4930000521","470:4700001917","488:4880002348","466:4660011731","488:4880005934","496:4960006050","496:4960006708","484:4840004584","500:5000009295","472:4720001501","478:4780003705"],"twin_admin_codes":[499,488,479,488,478,499,472,477,485,479,479,496,477,469,493,470,488,466,488,496,496,484,500,472,478],"twin_sims":[0.24660047137239874,0.11639580883510978,0.0940453212335414,0.09331105309646304,0.0710188613289174,0.05434127916220438,0.045142105132199094,0.044973817286615814,0.044572938447042056,0.04438900466023089,0.03833367026479095,0.03541044895577916,0.03530034905345274,0.03076111148850162,0.030005672958517988,0.029623510705080326,0.02956533894560793,0.028329943067165585,0.027108471445843857,0.025928833473630016,0.02576204154834543,0.025674012641001814,0.024990661141793897,0.024986720616271843,0.02384204140775764],"twin_dists":[0.21732048004711124,0.2693609860883929,0.2823973406295672,0.2828651252806479,0.2987005796815428,0.3134509994208862,0.32327739374028114,0.32347220911847024,0.3239387544110501,0.32415399709073284,0.33169784636360433,0.3357072529085129,0.3358636819333059,0.3427064618269229,0.3439280850603388,0.3445561557858978,0.34465236783934694,0.34673501231429055,0.3488724149671764,0.35101687157938305,0.3513268422685907,0.351491136725395,0.3527833404012763,0.3527908799547247,0.3550258644178365],"n_dims_used":45,"mean_confidence":0.9163953145345052},"coverage":{"mean_confidence":0.9163953145345052,"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}}