{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001102},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002515","490:4900002517","490:4900001909","490:4900002060","490:4900002214","496:4960010597","490:4900003497","496:4960010980","490:4900002365","490:4900003365","490:4900000975","490:4900002061","496:4960011056","490:4900002815","490:4900001908","490:4900001765","490:4900002516","496:4960010260","496:4960010676","496:4960010514","478:4780009394","478:4780009493","490:4900003629","496:4960010265","496:4960010259"],"twin_admin_codes":[490,490,490,490,490,496,490,496,490,490,490,490,496,490,490,490,490,496,496,496,478,478,490,496,496],"twin_sims":[0.47593555969823975,0.4485349261033066,0.44131578849159014,0.4138920505251743,0.3866116695658688,0.3548982494905568,0.3195676259202784,0.314831754823528,0.30291433022455627,0.27629624500070343,0.26680765340982876,0.24100445921754118,0.21754493014828621,0.20819709692119306,0.20223926724382688,0.198496213291434,0.18895592750899257,0.16463268697856068,0.15216030652532264,0.13224844084605006,0.13127778503982585,0.1259009817111812,0.12395232366483845,0.11709939107275752,0.11065030826816791],"twin_dists":[0.15826290084508501,0.1644611793865302,0.1661169920724938,0.17250833540452326,0.1790511431596019,0.18694025173094192,0.19617380012895372,0.19745338116081534,0.20072271146789308,0.20830844591420813,0.21111914090224518,0.21909482208673045,0.22684205828870263,0.23008467303868946,0.23220336483783272,0.23355645452948423,0.23708704005820413,0.2466957887422112,0.2520248251922034,0.2612429749534487,0.26171818064157987,0.26439967552084354,0.26539293137144193,0.26898333932376395,0.27251247889267255],"n_dims_used":44,"mean_confidence":0.9155800559303977},"coverage":{"mean_confidence":0.9155800559303977,"n_dims_used":44,"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}}