{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001382},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003811","490:4900004231","490:4900004367","490:4900006816","490:4900004227","490:4900007298","490:4900001648","490:4900007065","490:4900006680","490:4900004485","497:4970002516","490:4900004912","490:4900001379","497:4970000718","490:4900004091","490:4900001512","487:4870004628","490:4900003513","490:4900013148","490:4900001251","497:4970000793","490:4900006557","490:4900004759","490:4900006567","497:4970001973"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,497,490,490,497,490,490,487,490,490,490,497,490,490,490,497],"twin_sims":[0.07627831912186839,0.007240161025734857,0.0027978995397878073,0.001560853485478742,0.0013128798212105378,0.0008497380283559539,0.0008348923353714143,0.0003856693481700507,0.00033635109805050167,0.0003223502496793531,0.00031795229030748024,0.0002732817811156575,0.000238075007643904,0.0002184411574660067,0.00021817597436676206,0.00016385199669237662,0.00015949883172295125,0.00014495660071778526,0.000141617337043747,0.00013658532058998833,0.00013656854937282907,0.00013506634891017022,0.00011190825086490002,0.00011173951990296863,0.00011145371384668628],"twin_dists":[0.2946386176997445,0.40773605931071755,0.4453345343509105,0.46691720600676867,0.47312590224811185,0.48838963640794386,0.4889979786099739,0.5149496452935547,0.5194120628913441,0.52079092488886,0.5212356602916984,0.526112142569352,0.5305154153469922,0.533244903380928,0.5332833254237548,0.5422643854335637,0.5431013151300754,0.5460624107351162,0.5467818317069034,0.5478967658177037,0.5479005461909229,0.5482409448341172,0.5539974702474352,0.5540434093166311,0.5541213732927092],"n_dims_used":45,"mean_confidence":0.9141381157769097},"coverage":{"mean_confidence":0.9141381157769097,"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}}