{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":487,"cluster_id":4870000792},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["487:4870000634","487:4870000225","487:4870000973","487:4870000641","487:4870000496","487:4870000065","487:4870000087","487:4870001068","487:4870000637","487:4870000497","487:4870000329","487:4870001437","487:4870000728","487:4870000143","487:4870002322","487:4870001070","487:4870000568","487:4870001065","487:4870000113","487:4870000879","466:4660012834","487:4870000651","487:4870000145","487:4870000791","487:4870001156"],"twin_admin_codes":[487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,466,487,487,487,487],"twin_sims":[0.5883065188290949,0.5039233588530019,0.48072245077189746,0.4445500682942916,0.42439151429548344,0.42045120584687296,0.40389394503828147,0.3919215500526943,0.38478191887065044,0.3785314845291785,0.35269182534044674,0.3470017487241601,0.3257477255466072,0.3028650282411327,0.30234827567791683,0.29460964060076567,0.2832665937484291,0.28320419543433223,0.2774571518245919,0.264727625034764,0.25982252468969497,0.2500667609429375,0.24565570843157133,0.24413519164622907,0.24040896631069458],"twin_dists":[0.13377793119582648,0.15205092286168867,0.15719268860415583,0.16537389140827968,0.1700412561076641,0.1709640485974418,0.1748829245636193,0.1777614635742577,0.17949749396017253,0.1810299441848405,0.1875021159529502,0.1889596095580043,0.1945199047748206,0.2007363892694172,0.20087982941574398,0.2030452975380281,0.20628114884143897,0.20629916219289243,0.207968658917276,0.21174351909778782,0.21322815936462036,0.21623437955977465,0.21761820268231563,0.21809891468256423,0.21928519955476364],"n_dims_used":43,"mean_confidence":0.9084988971089207},"coverage":{"mean_confidence":0.9084988971089207,"n_dims_used":43,"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}}