{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900008921},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900009658","490:4900008920","490:4900009034","490:4900009655","490:4900008481","490:4900008810","490:4900008587","490:4900009456","490:4900008928","490:4900009029","490:4900009657","490:4900009033","490:4900009035","490:4900009243","490:4900009356","490:4900009458","490:4900009145","490:4900008700","490:4900008243","490:4900008354","490:4900007798","490:4900008927","490:4900009459","490:4900009019","490:4900009555"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.09498426102084985,0.043399358516366,0.037689883612595086,0.03032121417818299,0.023211166825673275,0.02224280461039234,0.015466677505535853,0.015071613494484876,0.01290486073025519,0.008975004223089014,0.0060802335861927705,0.0031642059434941797,0.0029890161215520746,0.002962878346621744,0.0025126406937373775,0.002343519088361477,0.0020550730840531877,0.0017072377023521722,0.0014697169499128832,0.0012667451657348274,0.0008865246352748786,0.00048528394741111753,0.00048214991778852207,0.0004372728608573424,0.0004369704923829621],"twin_dists":[0.2818033417630486,0.32532512376460904,0.33255800089080634,0.34341465241413005,0.35629766881481517,0.35830940991021903,0.3750233444259207,0.3761853121598662,0.3830813612051463,0.39875113540894347,0.41489612586358854,0.4406499206313487,0.44282481026346865,0.4431592346708522,0.4493890356649371,0.45199686232781705,0.4568719341681402,0.46366751137715245,0.46908555735947877,0.47439950455009294,0.4869237416051703,0.5073681574602311,0.5075835078457349,0.5108197592767081,0.5108425997173137],"n_dims_used":45,"mean_confidence":0.886989508734809},"coverage":{"mean_confidence":0.886989508734809,"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}}