{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000060},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000169","496:4960009187","496:4960010031","490:4900000251","496:4960007947","496:4960009397","496:4960008513","490:4900000156","496:4960009385","496:4960009497","496:4960009945","496:4960009492","496:4960011776","490:4900000949","496:4960007688","496:4960009286","490:4900002192","496:4960009677","490:4900000519","496:4960009768","490:4900000069","496:4960011895","496:4960009573","496:4960008402","496:4960006761"],"twin_admin_codes":[490,496,496,490,496,496,496,490,496,496,496,496,496,490,496,496,490,496,490,496,490,496,496,496,496],"twin_sims":[0.1588529249236962,0.13976358933154046,0.12136893013342702,0.11005239295199873,0.10605673224859048,0.09784767367078566,0.0839983807870354,0.0833933734958828,0.08257513963957402,0.08039389872606281,0.07693467584830142,0.07529001648903888,0.07289478325974413,0.07234282377405674,0.07227475985565569,0.07191598774680846,0.07106681104651179,0.07020954762647658,0.06687502740182,0.06591704023696102,0.06332248175667808,0.06322077883910249,0.06252374561033903,0.06068473620454973,0.06059081590997995],"twin_dists":[0.24912733266832232,0.2576497026332203,0.266728199934976,0.2728476429181928,0.27512438735304423,0.2800199578614493,0.2890667528406665,0.2894882469130384,0.29006219379907816,0.2916147605939516,0.29414771326042827,0.2953842530046301,0.2972246921343592,0.29765572285042285,0.2977090588479159,0.2979908726825735,0.29866246387483225,0.299347084053923,0.3020764245964238,0.3028810207447075,0.30510913578926024,0.30519798503209955,0.3058100951774778,0.3074523362963219,0.30753729857660006],"n_dims_used":45,"mean_confidence":0.9184688991970487},"coverage":{"mean_confidence":0.9184688991970487,"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}}