{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":499,"cluster_id":4990000293},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["499:4990000827","477:4770003842","499:4990000343","477:4770003653","499:4990002697","499:4990002121","499:4990002646","496:4960005398","499:4990001955","499:4990001604","499:4990002149","496:4960005819","477:4770003919","499:4990001966","499:4990000683","496:4960004944","499:4990002954","499:4990001679","499:4990002922","499:4990001302","499:4990002883","499:4990001007","499:4990000402","499:4990000609","499:4990000828"],"twin_admin_codes":[499,477,499,477,499,499,499,496,499,499,499,496,477,499,499,496,499,499,499,499,499,499,499,499,499],"twin_sims":[0.8050972590332649,0.7802017680738993,0.7551341954468984,0.720484289865754,0.7004474109342376,0.6998633751546876,0.6973991991482678,0.6687165489096778,0.6634097042217689,0.6632898441102351,0.6597690422706735,0.6564800641017741,0.6513234588520936,0.647655855209513,0.6414978120961677,0.6408156331500523,0.6190395076001527,0.6161107800108563,0.6091283738402636,0.6074238047177031,0.6067194678983833,0.5980275954154993,0.5937048306156184,0.5906588202794972,0.5807031827144495],"twin_dists":[0.08551861533563711,0.09150442756333342,0.097338273214265,0.10516332182408364,0.10959375168164298,0.10972205940124179,0.11026294914443226,0.1165105179911437,0.11765833286073014,0.11768423342919489,0.11844459839537598,0.11915415546318116,0.12026530337107917,0.12105470073880828,0.12237864273838271,0.12252520300131885,0.12719562551425806,0.12782295521222187,0.12931824360625216,0.12968324085503452,0.12983405840219925,0.13169534038528244,0.13262124877014564,0.13327384508901235,0.1354081551615657],"n_dims_used":45,"mean_confidence":0.9265286763509114},"coverage":{"mean_confidence":0.9265286763509114,"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}}