Evidence row 75686

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://gaming.halowerk.com/v1/gacha-rng-verify"
    ]
  ],
  "name": "HALOWERK gamingwerk",
  "owner_address": "0x2880edfff13100677bf97a3cbdf3bc34771c4e5e",
  "raw": {
    "accepts": [
      {
        "amount": "4000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "currency": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "asset": "USDC",
          "assetTransferMethod": "eip3009",
          "eip712Domain": {
            "chainId": 8453,
            "name": "USD Coin",
            "verifyingContract": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
            "version": "2"
          },
          "name": "USD Coin",
          "network_name": "Base Mainnet",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E",
        "recipient": "0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E",
        "scheme": "exact"
      }
    ],
    "description": "Counts supplied outcomes, computes Pearson’s chi-square statistic, and estimates an upper-tail p-value with the Wilson-Hilferty normal approximation. It tests aggregate frequencies only; it cannot prove draw independence, seed fairness, code integrity, or manipulation, especially when expected counts are small.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "bodyType": "json",
            "exampleUrl": "https://gaming.halowerk.com/v1/gacha-rng-verify/schema#/requestExample",
            "method": "POST",
            "schemaUrl": "https://gaming.halowerk.com/v1/gacha-rng-verify/schema#/inputSchema",
            "type": "http"
          },
          "output": {
            "example": {
              "alpha": 0.05,
              "approximate_p_value": 0.610286496,
              "chi_square": 1.006944,
              "degrees_of_freedom": 2,
              "expected_count_warning": true,
              "frequencies": [
                {
                  "expected_count": 16,
                  "expected_rate": 0.8,
                  "observed_count": 15,
                  "observed_rate": 0.75,
                  "outcome": "common"
                },
                {
                  "expected_count": 3.6,
                  "expected_rate": 0.18,
                  "observed_count": 4,
                  "observed_rate": 0.2,
                  "outcome": "rare"
                },
                {
                  "expected_count": 0.4,
                  "expected_rate": 0.02,
                  "observed_count": 1,
                  "observed_rate": 0.05,
                  "outcome": "legendary"
                }
              ],
              "method": "Pearson chi-square frequency test with Wilson-Hilferty p-value approximation",
              "reject_declared_frequencies_at_alpha": false,
              "verification_scope": "aggregate_frequency_test_only"
            },
            "exampleUrl": "https://gaming.halowerk.com/v1/gacha-rng-verify/schema#/outputExample",
            "schemaUrl": "https://gaming.halowerk.com/v1/gacha-rng-verify/schema#/outputSchema",
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "additionalProperties": true,
          "properties": {
            "input": {
              "additionalProperties": true,
              "properties": {
                "bodyType": {
                  "const": "json"
                },
                "exampleUrl": {
                  "format": "uri",
                  "type": "string"
                },
                "method": {
                  "const": "POST"
                },
                "schemaUrl": {
                  "format": "uri",
                  "type": "string"
                },
                "type": {
                  "const": "http"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType"
              ],
              "type": "object"
            },
            "output": {
              "additionalProperties": true,
              "properties": {
                "exampleUrl": {
                  "format": "uri",
                  "type": "string"
                },
                "schemaUrl": {
                  "format": "uri",
                  "type": "string"
                },
                "type": {
                  "const": "json"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-25T18:51:41.474Z",
    "quality": {
      "l30DaysTotalCalls": 4,
      "l30DaysUniquePayers": 4,
      "lastCalledAt": "2026-10-25T18:51:41.289Z"
    },
    "resource": "https://gaming.halowerk.com/v1/gacha-rng-verify",
    "serviceName": "HALOWERK gamingwerk",
    "tags": [
      "iot",
      "gaming",
      "statistics"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Counts supplied outcomes, computes Pearson’s chi-square statistic, and estimates an upper-tail p-value with the Wilson-Hilferty normal approximation. It tests aggregate frequencies only; it cannot prove draw independence, seed fairness, code integrity, or manipulation, especially when expected counts are small."
}

What the leaf hashes

{"body":"e5646bfc60b56c59b74823442a7c3b53465ea9542b3187d9bb920dce3a8392eb","id":75686,"kind":"listing","method":"baseline/1","observed_us":1793025490987685,"prev":null,"subject":"x402_bazaar:https://gaming.halowerk.com/v1/gacha-rng-verify","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0x4a76320bacd49012e44985d4cda877523eba8ea44d911ab12cb11b13370555ed
2. 0x80c8c5bf56f9a453131d395bde46dd8361cd738982b155da90d6a2f5441b187c
3. 0xf8d1018220051ea957c07688cf0b69cf4892a257bf76adc1200621a36266a0f5
4. 0xd54ac4fa50208f6848cc0955363f6807745a2bee6e2eacd1178401820cd195c8
5. 0x5ed930228c0cc069594acf4ecdb698bc980b503623d7be9c6f523122378c962e
6. 0x4de178fb9215134cc7e377942fc77452d14017e692ed38df5a7259dea3dc3b7e
7. 0xfc6dfb4fdd52bff0dfa00ce29a332996877aa09dc07cdf11ac29538bc97e29e4
8. 0x257d252647e1b34349c7e3957a2c3e4d3d1f2259e5b414b160eaf78b9a63a2a7
9. 0x0d2fc889a37099ecba3d55c47d958794c2802a527a9b4db86fe2c6d1b859b439
10. 0xff35957d30a52fe0e2689931f3ecb8ebbaf5d3e10aea8fff101120a9530edc59
11. 0x36446ee01203fb6b2027599f737b7bdd64e3db182e50230f9c82fff4f67be776
12. 0xee7d5711cd2515f4b08f3e4041d3d56304f9db6bffd82d82746f0f4ea43b8f26
13. 0xb86fa861d04737cb507e721eefbb066d26528fdb6017b1145c18d1223b93ee21
14. 0x88e326a39b26e2c125306c9d3805d14398ace088bba9a2a0aa376b811cfb201a
15. 0x2be1e80e065dd6b2cc75a7142be22225acd144ac975d70bf24b4f01fd76dc497
16. 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae