{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890000264},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["499:4990002834","489:4890002300","466:4660005714","481:4810004442","467:4670000061","485:4850001372","489:4890000575","481:4810004834","489:4890000693","485:4850008545","474:4740002180","472:4720003052","470:4700008868","489:4890001442","499:4990003320","478:4780009417","479:4790004446","485:4850002181","499:4990002265","488:4880006413","479:4790004801","478:4780008045","485:4850008755","485:4850008121","499:4990002575"],"twin_admin_codes":[499,489,466,481,467,485,489,481,489,485,474,472,470,489,499,478,479,485,499,488,479,478,485,485,499],"twin_sims":[0.09273671844037809,0.0924322685495016,0.08445306579149346,0.08204899759770955,0.07973912510779338,0.07359214166182719,0.0665014372957738,0.06254216932608982,0.058293113567317666,0.05289695075419618,0.05276384231765417,0.05215572717117886,0.05167856054223731,0.050486315965586566,0.04859190010955159,0.047971512975377675,0.046907630802355306,0.0461157967794036,0.04599298659214513,0.04568334400441651,0.04454860020449173,0.04405776571106381,0.041741726923617516,0.04148854266283487,0.04146320537424282],"twin_dists":[0.28323304906141095,0.28342881253523117,0.28875157671658935,0.2904336601965587,0.2920873990685161,0.29668387735910295,0.30238907102241624,0.3057938443427888,0.30965037468835654,0.3148972709543867,0.315032200700135,0.3156522550240389,0.31614300880029256,0.3173858759805577,0.3194119540855571,0.32008978614114364,0.32126942026684974,0.32216202197638316,0.32230160830197363,0.32265493979199567,0.3239671926217203,0.324543514525037,0.3273380242623099,0.32765137459143373,0.32768282160892587],"n_dims_used":45,"mean_confidence":0.9147247314453125},"coverage":{"mean_confidence":0.9147247314453125,"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}}