{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890000980},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890001102","489:4890001103","489:4890000920","489:4890000979","489:4890001099","489:4890001039","489:4890001038","489:4890001229","489:4890001222","489:4890001165","489:4890001295","489:4890001173","489:4890001232","489:4890001174","489:4890000991","489:4890001101","489:4890001236","489:4890000977","489:4890001423","489:4890001364","478:4780000543","489:4890000931","489:4890000921","489:4890001432","489:4890001235"],"twin_admin_codes":[489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,478,489,489,489,489],"twin_sims":[0.9692517878578613,0.9672249026577786,0.9512197809325156,0.8752991727358016,0.8659616678278467,0.8328205714552357,0.831312661327908,0.8185267220742705,0.7042196029301017,0.6993240751767726,0.6991880556305043,0.6721333696426026,0.6544271063372924,0.6401025646519536,0.6177898546062938,0.5997996445304854,0.571066772688434,0.5252825545062144,0.5219045013104351,0.5084712803764952,0.47059684674236063,0.4584852889890404,0.43600753103385237,0.4323808233466046,0.42313988742184105],"twin_dists":[0.03245867599661252,0.03352887055559372,0.04107408246232231,0.06703072279275961,0.06967730171160172,0.07855786864366347,0.07894602247689964,0.08219100235322678,0.10876397626093282,0.10984050090699977,0.10987036788125067,0.11577033819035862,0.1195967144373197,0.12267837901857874,0.12746331329890548,0.13131583725348425,0.13747680858623204,0.1473739506402646,0.14811052524286208,0.15105095716930492,0.15946064475727276,0.1621952002044314,0.16734122446257668,0.16818104679233326,0.17033398737668307],"n_dims_used":45,"mean_confidence":0.914762454562717},"coverage":{"mean_confidence":0.914762454562717,"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}}