{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001748},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002049","490:4900007269","496:4960011916","496:4960012202","490:4900001612","490:4900003890","490:4900002506","496:4960006631","490:4900002352","469:4690003669","493:4930007145","490:4900001613","490:4900002200","490:4900002952","490:4900004036","490:4900004460","490:4900005277","469:4690003751","490:4900001479","469:4690001839","490:4900001355","469:4690002326","469:4690003564","496:4960006099","490:4900004724"],"twin_admin_codes":[490,490,496,496,490,490,490,496,490,469,493,490,490,490,490,490,490,469,490,469,490,469,469,496,490],"twin_sims":[0.7377881300607283,0.5357797560794724,0.5319611888775375,0.49676975049242367,0.4945495612576366,0.4884520727520184,0.4800523407947813,0.4599997227429956,0.451327782523706,0.44793842281349827,0.44411834966624597,0.4384911078419418,0.4323579052479267,0.427730830690103,0.42667009588988475,0.4201363199534131,0.415210284118475,0.41043771877036206,0.3992247365025073,0.39820912274139597,0.3970551893925018,0.39665457035323964,0.3912735872347645,0.3905504379012046,0.3870682852337455],"twin_dists":[0.10128521204675488,0.14509161368273543,0.14592076275029187,0.15362879825704542,0.1541198064547037,0.15547163328056257,0.15734229951813108,0.16185189676929265,0.16382331101598951,0.16459760933438625,0.16547296131455586,0.16676771681846217,0.16818636282263866,0.1692620048910531,0.16950926066766914,0.17103794942894504,0.17219713216138355,0.1733258684998903,0.17600084998795235,0.1762447973846354,0.17652231408960625,0.17661874790863227,0.1779184017517421,0.1780936937260108,0.1789399123693761],"n_dims_used":45,"mean_confidence":0.9158666822645399},"coverage":{"mean_confidence":0.9158666822645399,"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}}