{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900006560},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001066","490:4900007055","490:4900006927","490:4900007664","490:4900006204","491:4910001268","490:4900005567","490:4900005566","490:4900011365","490:4900010939","490:4900011632","490:4900011161","491:4910001858","490:4900005296","490:4900003268","490:4900006332","490:4900002840","490:4900007295","490:4900007307","490:4900001922","490:4900011317","490:4900005313","490:4900012050","497:4970001002","490:4900004094"],"twin_admin_codes":[491,490,490,490,490,491,490,490,490,490,490,490,491,490,490,490,490,490,490,490,490,490,490,497,490],"twin_sims":[0.015536320758594851,0.014155243012240911,0.007970853791428867,0.0025886004527593187,0.0020416613541419273,0.0005395756244667336,0.000338106129406961,0.00031821165637327956,0.0002519824512997365,0.0002478157629914035,0.00023369419961320973,0.00023075173143344464,0.00020894006317078275,0.00020777802754453524,0.00017415410862690178,0.0001439426063283982,0.00008072159695643569,0.00006755301804209337,0.00005815208396372985,0.00005285952714265673,0.00005160175308848337,0.00003233037167321205,0.00003212032917142864,0.000029240735826522283,0.000026196992182655464],"twin_dists":[0.37482122292354275,0.37898747075062295,0.403738972982753,0.44826976217586406,0.45711360091657066,0.5038302460358312,0.5192430313406774,0.5212092727649413,0.528707253281574,0.5292389334745619,0.5311055828593295,0.5315078502283431,0.5346496857604657,0.5348256057305019,0.5403643382121683,0.546279201207166,0.5638558682929842,0.569158483891383,0.5735822250717225,0.5763815288252522,0.5770858498345144,0.5905935309367453,0.590779654625063,0.5934552916902573,0.5965712428463932],"n_dims_used":45,"mean_confidence":0.8949916415744358},"coverage":{"mean_confidence":0.8949916415744358,"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}}