{
  "schema": "alcum.attestation/1",
  "series": "SAMPLE-2026-B (hedged)",
  "network": "sepolia",
  "sample": true,
  "date": "2026-09-01",
  "valuation": {
    "nav": 254852.11,
    "units": 25000,
    "unitValue": 10.1941,
    "dealingPrice": 10.1941,
    "dealing": {
      "allocations": 0,
      "allocatedUsdc": 0,
      "unitsIssued": 0,
      "redemptions": 0,
      "unitsRetired": 0,
      "paidUsdc": 0,
      "nettedUsdc": 0,
      "netFlowUsdc": 0
    },
    "haircutWithheld": 3217.5,
    "highWaterMark": null,
    "operationalMark": null,
    "attribution": {
      "copperPrice": 0,
      "fx": 0,
      "operational": 16578.95,
      "hedge": 0,
      "haircuts": 1730.53,
      "fees": -9.73,
      "flows": 0
    },
    "attributionPerUnit": {
      "copperPrice": 0,
      "fx": 0,
      "operational": 0.663158,
      "hedge": 0,
      "haircuts": 0.069221,
      "fees": -0.000389,
      "flows": 0
    },
    "contributions": [
      {
        "eventId": "fee-2026-09-01",
        "type": "FEE_ACCRUAL",
        "note": "1.50 % p.a., one day on the NAV before fees",
        "effect": {
          "copperPrice": 0,
          "fx": 0,
          "operational": 0,
          "hedge": 0,
          "haircuts": 0,
          "fees": -9.73,
          "flows": 0
        }
      },
      {
        "eventId": "18635c93-8a23-45df-93ca-a8b339c5a5e2",
        "type": "REFINED_CONFIRMED",
        "note": "Refined copper confirmed; carrying value at refined grade",
        "evidenceRef": "sha256:ba60fd609e9b",
        "effect": {
          "copperPrice": 0,
          "fx": 0,
          "operational": 16578.95,
          "hedge": 0,
          "haircuts": 1730.53,
          "fees": 0,
          "flows": 0
        }
      }
    ]
  },
  "inputs": {
    "eventLogSha256": "74c198cdb6189a72c3012469fefddab8bdb1087063a436c4cbe9a096bb1b0520",
    "eventCount": 34,
    "methodology": "design document §3.7 / owner checklist xCUP Share Price Update Events (revised), with §3.8 corrections"
  },
  "issuedAt": "2026-09-01T15:00:00.000Z",
  "signer": {
    "alg": "Ed25519",
    "publicKeyPem": "-----BEGIN PUBLIC KEY-----\nMCowBQYDK2VwAyEAK3Xme4H2XZPGZphfWnUzgoaNHm9nJleg2R+U9hC0ub8=\n-----END PUBLIC KEY-----\n",
    "kind": "dev-file"
  },
  "signature": "3hUwy+0DC4f/h2lSdw5wbaHldR9MC4aAEN5LZA9+r11tpTDNJ3fapvVI5RM7TUCD69JW30lVpN5vPA7DmnT8Bw=="
}