{
  "uri": "alkn://truthloops/np1/np1-lot-purity",
  "contents": [
    {
      "uri": "alkn://truthloops/np1/np1-lot-purity",
      "mimeType": "application/json",
      "text": "{\n  \"source_role\": \"commissioned\",\n  \"observation_type\": \"observation\",\n  \"evidence_payload_retrievable\": true,\n  \"scope_temporal\": \"historical\",\n  \"scope_temporal_note\": \"2022-12-06 ASACERT snapshot unless the loop overrides.\",\n  \"loop_id\": \"np1-lot-purity\",\n  \"polarity\": \"positive\",\n  \"proposition\": \"The tested inventory lots possess the nickel purity and impurity profile reported by the identified laboratory evidence.\",\n  \"bounded_meaning\": \"Purity is a lot-level property. NSL Analytical spectrographic verification at 99.99% Ni applies to the sampled lots only. Extrapolation beyond the sampled lots requires a documented sampling basis.\",\n  \"required_evidence\": [\n    \"Original laboratory report\",\n    \"Test method (spectrographic / ICP-MS / etc.)\",\n    \"Sample identifier\",\n    \"Lot-to-Alubox relationship\",\n    \"Laboratory identity and accreditation\",\n    \"Measurement result and uncertainty where reported\",\n    \"Chain of custody from Alubox to laboratory\"\n  ],\n  \"positive_edges\": [\n    {\n      \"type\": \"supporting\",\n      \"source\": \"NSL Analytical USA spectrographic verification\",\n      \"scope\": \"99.99% Ni confirmed on tested lots (batch-scoped; not whole-inventory extrapolation)\"\n    },\n    {\n      \"type\": \"supporting\",\n      \"source\": \"IIT Delhi mechanical/electrical characterisation\",\n      \"scope\": \"Tensile 900 MPa reported on sampled material (Prof. Suresh Neelakantan & Dr. Nirat Ray)\"\n    },\n    {\n      \"type\": \"supporting\",\n      \"source\": \"Prof. Upadrasta Ramamurty\",\n      \"scope\": \"Personal scientific assessment; NTU Singapore affiliation is personal, not an institutional endorsement by NTU Singapore\"\n    }\n  ],\n  \"negative_edges\": [\n    {\n      \"type\": \"counterevidence\",\n      \"source\": \"Sample-to-whole-inventory extrapolation risk\",\n      \"scope\": \"One tested sample cannot be extrapolated to untested containers or the entire reservoir unless the sampling method supports that extrapolation\"\n    }\n  ],\n  \"unresolved_edges\": [\n    {\n      \"type\": \"unresolved\",\n      \"source\": \"Batch-level purity beyond tested lots\",\n      \"scope\": \"Purity of lots not covered by NSL Analytical spectrographic verification remains unresolved\"\n    },\n    {\n      \"type\": \"unresolved\",\n      \"source\": \"Sampling-basis document\",\n      \"scope\": \"A documented sampling protocol establishing statistical coverage of the whole reservoir has not been ingested into the evidence locker\"\n    }\n  ],\n  \"closure_condition\": \"Close independently for each tested lot. Leave untested lots unresolved.\",\n  \"do_not_publish\": [\n    \"\\\"All 7,026,904.76 metres are 99.99% pure\\\"\",\n    \"Whole-reservoir purity claims not backed by a documented sampling basis\"\n  ],\n  \"linked_loops\": [\n    \"np1-grade-identity\",\n    \"np1-ultrafine-geometry\",\n    \"np1-traceability-custody\",\n    \"negative-purity-pct-alone-not-equivalence\"\n  ],\n  \"linked_resources\": [\n    \"alkn://claims/mass\",\n    \"alkn://evidence/manifest\"\n  ],\n  \"status\": \"OPEN\",\n  \"effective_date\": \"2026-09-17\"\n}"
    }
  ]
}