{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890001959},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890002029","489:4890002689","477:4770000386","489:4890001694","489:4890002195","489:4890002290","489:4890002289","489:4890002522","489:4890002037","489:4890002043","489:4890002612","489:4890002858","500:5000003421","477:4770003532","477:4770001024","485:4850004675","489:4890002286","485:4850000582","473:4730003039","489:4890002770","489:4890002279","473:4730003868","500:5000003429","489:4890002034","500:5000003601"],"twin_admin_codes":[489,489,477,489,489,489,489,489,489,489,489,489,500,477,477,485,489,485,473,489,489,473,500,489,500],"twin_sims":[0.5680291323589509,0.5410423218775371,0.5313374308627764,0.5130994265719706,0.47975543508250634,0.47564742435154,0.4692357385603528,0.45274032430226413,0.4395530283394737,0.43567707354997764,0.41541535830536447,0.38634556988875124,0.30917754459690394,0.30881128028852417,0.30530134571022877,0.30388521059120865,0.29581159209763697,0.2931934929969853,0.26886919537521414,0.265823778761992,0.2612285167807686,0.2589352542919386,0.25827303824491876,0.2555016196144963,0.24480938196269625],"twin_dists":[0.13812963153228724,0.14395083050652238,0.14605631909781575,0.1500357428821339,0.1574086089022783,0.15832743058578946,0.15976673536217936,0.1635012563560932,0.16652288915985478,0.16741763123346273,0.17214875744261246,0.17911599328862615,0.19899548380126472,0.19909593124763525,0.20006202354422087,0.20045362415470125,0.20270678676108028,0.20344518222162317,0.2105032902265638,0.21141409896749339,0.2128008206841501,0.21349858609274067,0.21370080023324767,0.2145506506786201,0.21788553166993202],"n_dims_used":45,"mean_confidence":0.919652811686198},"coverage":{"mean_confidence":0.919652811686198,"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}}