{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000845},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["487:4870006587","487:4870003969","487:4870003165","487:4870000893","487:4870003520","469:4690003470","487:4870003106","466:4660010525","487:4870005560","466:4660006050","487:4870002598","493:4930003073","466:4660001336","490:4900001308","487:4870006898","493:4930003751","469:4690004170","487:4870002361","466:4660012148","487:4870004702","487:4870011304","466:4660005128","487:4870003965","493:4930002202","496:4960005428"],"twin_admin_codes":[487,487,487,487,487,469,487,466,487,466,487,493,466,490,487,493,469,487,466,487,487,466,487,493,496],"twin_sims":[0.12637013778492484,0.06371000537282773,0.030946480240536287,0.02871860344332069,0.023340020593705883,0.015946686028691884,0.014169468538735462,0.011319998832472488,0.011184569572455194,0.008741083319895454,0.0083991606784806,0.007270902180922983,0.006553895596221893,0.0062628225524984996,0.004932808970008608,0.004282196430684376,0.0042666556670217575,0.0035321614884632827,0.0032429548923013753,0.0031590582936835403,0.0029538813000913808,0.002557651505564541,0.0024713283790540183,0.0023884852228167434,0.002299548805778198],"twin_dists":[0.2641622857027372,0.30477165624952596,0.3424106318938564,0.3460715319044085,0.3560354933846192,0.37364617985345183,0.3789427631521672,0.3888080492560537,0.3893298421730704,0.3998667010584644,0.40154635474852163,0.40756074654468577,0.4118350774898412,0.4136914984323536,0.4233130036219698,0.42891191364155196,0.4290548695929749,0.436418678633912,0.4397079237726934,0.4407122397126888,0.4432749730910545,0.4487221170173298,0.4500108618220116,0.4512870608509665,0.4527031315842467],"n_dims_used":45,"mean_confidence":0.9033323499891494},"coverage":{"mean_confidence":0.9033323499891494,"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}}