{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000271},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000892","487:4870004251","490:4900000596","490:4900000429","487:4870004826","487:4870002978","487:4870004555","487:4870007033","496:4960008022","487:4870004687","487:4870003378","487:4870003247","487:4870005263","490:4900001352","487:4870007608","487:4870002980","487:4870006426","487:4870005115","490:4900000943","487:4870005415","494:4940007931","494:4940008323","487:4870005407","487:4870006134","466:4660004270"],"twin_admin_codes":[490,487,490,490,487,487,487,487,496,487,487,487,487,490,487,487,487,487,490,487,494,494,487,487,466],"twin_sims":[0.3530929382525646,0.30820136127790376,0.28045185549533963,0.2579664507742456,0.22876923627717696,0.22332523401464743,0.22050285187571378,0.19836723584246987,0.19539645624445573,0.18955510889734398,0.18027379064983662,0.1792458862155897,0.17250866352343744,0.16776803675023008,0.16521218004985624,0.15769743265571187,0.15641464418598436,0.150946094272128,0.13571988313095296,0.13502061080919034,0.13189467926547868,0.13109148784946031,0.13081083309604305,0.12960710413742704,0.12551440298072114],"twin_dists":[0.18739983744334332,0.19926335265566636,0.20709611668233838,0.2137945304323305,0.22306989427422513,0.22488367497641712,0.22583561246121894,0.23360339148026038,0.23469039835200506,0.23686169063549214,0.24041016667541337,0.2408110280347123,0.24347970384896642,0.24540250821687432,0.24645542633737028,0.24962113401984729,0.2501724363733743,0.25256046756152223,0.25956463028979454,0.25990009412668397,0.2614158614239154,0.26180968910943087,0.2619477309420515,0.26254233972507257,0.2645957866251065],"n_dims_used":45,"mean_confidence":0.906644524468316},"coverage":{"mean_confidence":0.906644524468316,"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}}