{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000026},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800000046","480:4800000067","480:4800000086","495:4950000241","491:4910002912","480:4800000027","480:4800000039","495:4950000169","495:4950000240","480:4800000198","491:4910002751","490:4900006541","480:4800003065","491:4910002828","491:4910003520","491:4910003391","480:4800003902","480:4800002889","492:4920000341","480:4800000040","491:4910002777","480:4800005168","495:4950000338","491:4910002848","491:4910002456"],"twin_admin_codes":[480,480,480,495,491,480,480,495,495,480,491,490,480,491,491,491,480,480,492,480,491,480,495,491,491],"twin_sims":[0.03171653946871784,0.023325292761420233,0.010452474147749028,0.0061282442908202756,0.004901324584049799,0.004228717777457283,0.0032060301208451337,0.0020290719613200656,0.0018399373538062235,0.0017952342093000176,0.0017296914939310063,0.0008936815089912099,0.000731130253289724,0.000539861229909056,0.00040080782067756333,0.00033927514038266566,0.00031786606914741634,0.0003013455672959633,0.00028157272646189873,0.00027975775159369396,0.000252282038355044,0.0002516538722241196,0.0002201827390012747,0.00021030767267377838,0.0002046096348099021],"twin_dists":[0.34119770393409593,0.3560653961128141,0.39225176630418707,0.41457624772820384,0.42356806568498506,0.4294058483541931,0.44014698775800254,0.457341781497286,0.4609363846846196,0.461835568232769,0.46319193630438626,0.4866451317968434,0.4935544574406416,0.5038125298455923,0.5136869595129482,0.5191308967132345,0.5212444367786537,0.5229687086047774,0.525153067391038,0.525360730536737,0.5286693442492528,0.5287488796231279,0.5329936527818997,0.5344438196227285,0.535310013114466],"n_dims_used":42,"mean_confidence":0.9031342097691127},"coverage":{"mean_confidence":0.9031342097691127,"n_dims_used":42,"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}}