{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900005260},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900005129","490:4900007979","490:4900005769","484:4840003687","470:4700004146","487:4870001930","488:4880000237","478:4780006889","490:4900003352","488:4880000502","469:4690004879","466:4660001158","472:4720005537","490:4900006773","490:4900005259","488:4880003473","470:4700003630","487:4870006938","478:4780008217","470:4700004322","496:4960000380","478:4780008328","481:4810000649","499:4990000274","496:4960006481"],"twin_admin_codes":[490,490,490,484,470,487,488,478,490,488,469,466,472,490,490,488,470,487,478,470,496,478,481,499,496],"twin_sims":[0.02519580942545873,0.00936741542559416,0.0058091704327654006,0.004635697359176632,0.0046071124937484996,0.0034270694637800942,0.0028680869030152565,0.0013609435465929637,0.001303337881598496,0.0012719343144837539,0.0012288810326620148,0.0012054721316358539,0.0009599420131538439,0.0009234125887502216,0.0009137299328692749,0.0008977527605146914,0.0008966141917667227,0.000795626768137431,0.0007641762791147335,0.0007484548874906469,0.0007366186409159121,0.000716381677751487,0.000693520049427946,0.0006696852220108088,0.0006536994733839621],"twin_dists":[0.35239223476507886,0.39693680679964716,0.41674606242319157,0.4257811275097032,0.42602609016776377,0.43758451122383785,0.4443951242453254,0.47184232510243496,0.47338588609510224,0.47425412984024146,0.4754772649598647,0.4761590500591737,0.48415974479373736,0.48550948216148665,0.4858755587384952,0.4864875654658425,0.4865315636102064,0.49065681888884327,0.4920413542043451,0.49275344523827475,0.49329880488336175,0.49425040974308176,0.49535601872982477,0.49654543581451255,0.49736546295544376],"n_dims_used":45,"mean_confidence":0.8965955098470052},"coverage":{"mean_confidence":0.8965955098470052,"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}}