{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890002018},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890002105","489:4890001836","489:4890002019","489:4890002104","489:4890001676","489:4890002172","489:4890001919","489:4890002507","489:4890002186","489:4890001927","489:4890003578","489:4890002088","489:4890001851","489:4890001937","489:4890001757","489:4890001769","489:4890002508","489:4890002006","489:4890002346","489:4890001852","489:4890001749","489:4890003524","489:4890003181","489:4890003259","489:4890001925"],"twin_admin_codes":[489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489],"twin_sims":[0.8430143632080465,0.8240198853616811,0.8151294280158704,0.814775638137915,0.8114893215124476,0.8096879310484045,0.7939207475834984,0.7830739295494797,0.7746911555355339,0.7637337288089996,0.7633172748659943,0.7581375128115556,0.7449573352035936,0.7393505617876387,0.7212703356935423,0.7109262380342339,0.7088430969841403,0.7020546620222518,0.7010916035711666,0.6936479721636224,0.6934556402788342,0.6930045542054359,0.6872854365391516,0.6840993632917366,0.6816837470162327],"twin_dists":[0.07590078445964167,0.08080669463042923,0.08304016100047164,0.08312829474053994,0.08394435272715439,0.08438971477254979,0.08823279954399847,0.09082455778967183,0.09280181250063645,0.09535583913917986,0.09545227183280565,0.09664799912673741,0.09966178057771087,0.10093229806711261,0.1049882841527863,0.10728396753430064,0.10774434412834417,0.10924042784697646,0.10945217781555594,0.11108493594925319,0.11112703599984881,0.11122575872159911,0.11247544368323374,0.11317011297877486,0.11369611147456504],"n_dims_used":45,"mean_confidence":0.917739020453559},"coverage":{"mean_confidence":0.917739020453559,"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}}