{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900008225},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900008791","490:4900011302","490:4900008118","490:4900011710","490:4900008790","490:4900011564","490:4900011524","490:4900011366","490:4900008884","490:4900008451","490:4900011522","490:4900011637","490:4900010662","490:4900012177","490:4900011294","490:4900010829","490:4900010035","490:4900012093","490:4900011561","490:4900010830","490:4900009635","490:4900011301","490:4900011295","490:4900008769","490:4900010406"],"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":[0.2860650368328922,0.25595571572264464,0.18717077756402878,0.18226546098002225,0.1797909667233813,0.1697007380014068,0.163299705003905,0.15041184016734652,0.14997639794467685,0.14432962169410363,0.1367363080715381,0.1333632245697159,0.13216300561620584,0.12612112093817635,0.11408373720949151,0.11377102738931683,0.11032707600505268,0.1074155845070249,0.10578520456259,0.10516137746865897,0.10444644673455827,0.10015980416031608,0.09247692556693513,0.09078755212316317,0.0897048625958849],"twin_dists":[0.20547573055984963,0.21441100493822604,0.2377614072811775,0.23963803810493792,0.24059825569003712,0.24461395157047994,0.24725101482021095,0.2527971546433973,0.2529905238685701,0.25553646531765367,0.25907932054328814,0.26070043679629873,0.26128469599529713,0.2642882031476352,0.27061446528380356,0.2707854956169135,0.2726934937669327,0.274342755050063,0.27528150574525784,0.27564367207277235,0.27606079047314785,0.27860958392407276,0.2834000659057188,0.2844952800540219,0.2852056930736514],"n_dims_used":45,"mean_confidence":0.8901930914984809},"coverage":{"mean_confidence":0.8901930914984809,"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}}