{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000789},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001052","494:4940007171","494:4940007606","490:4900003219","490:4900001295","494:4940007276","490:4900000826","490:4900001705","494:4940008132","494:4940008741","490:4900002186","490:4900000776","490:4900002462","496:4960008017","494:4940007617","494:4940006837","490:4900002629","487:4870007911","490:4900003907","494:4940007708","494:4940007274","496:4960007657","490:4900002019","494:4940007187","490:4900001009"],"twin_admin_codes":[490,494,494,490,490,494,490,490,494,494,490,490,490,496,494,494,490,487,490,494,494,496,490,494,490],"twin_sims":[0.5900418787509848,0.5356292305460358,0.4897326195288934,0.45947726540431727,0.44599948554593155,0.4304623083507364,0.4279537851320685,0.4164076915796537,0.39242534323601436,0.38438126738241596,0.36693293209838185,0.36069765634521406,0.3510689736689536,0.3434934520354798,0.33615767437756133,0.3345779064632777,0.3330097916136258,0.3298227240894428,0.3217751616204755,0.31531343033375364,0.3139241996068779,0.312055585466662,0.3087116853874259,0.30648077841872773,0.30378338008136946],"twin_dists":[0.13340604210285814,0.14512427557863838,0.15518731901993263,0.16197028570166577,0.16504155106332985,0.1686264568224217,0.16921006664740854,0.17191482212667658,0.17763952721739648,0.17959536387851963,0.1839066942804329,0.1854719713504957,0.18791654134444508,0.1898645279742064,0.1917727717464461,0.19218664285422127,0.19259851243312648,0.1934388796798731,0.1955809941170884,0.19732274276663175,0.19769983376528322,0.19820854766007612,0.19912325683436605,0.19973667922679422,0.20048182384647756],"n_dims_used":45,"mean_confidence":0.9170822991265191},"coverage":{"mean_confidence":0.9170822991265191,"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}}