Evidence row 123628

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://utils.kagurazaka.dev/v1/id"
    ]
  ],
  "name": "x402 Utils",
  "owner_address": "0xe6f7508ab572a4dc9c7486ea017b100d83f3c3f8",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xe6f7508ab572a4dc9c7486ea017b100d83f3c3f8",
        "scheme": "exact"
      }
    ],
    "description": "Generate random IDs from a cryptographic source: UUID v4, UUID v7 (time ordered), ULID or nanoid, up to 100 at a time.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "count": 2,
              "type": "uuid7"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "ids": [
                "019a1b2c-3d4e-7f00-8a1b-2c3d4e5f6a7b"
              ],
              "type": "uuid7"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "count": {
                      "description": "how many (1-100, default 1)",
                      "type": "integer"
                    },
                    "type": {
                      "description": "kind of ID (default uuid4)",
                      "enum": [
                        "uuid4",
                        "uuid7",
                        "ulid",
                        "nanoid"
                      ],
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "ids": {},
                    "type": {}
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-25T08:21:39.746Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-25T08:21:39.567Z"
    },
    "resource": "https://utils.kagurazaka.dev/v1/id",
    "serviceName": "x402 Utils",
    "tags": [
      "uuid",
      "ulid",
      "id",
      "random"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Generate random IDs from a cryptographic source: UUID v4, UUID v7 (time ordered), ULID or nanoid, up to 100 at a time."
}

What the leaf hashes

{"body":"c80a0feb29a3a81d8308987620f921e9d0a0c78d96e26196cfc67bd845a926fb","id":123628,"kind":"listing","method":"baseline/1","observed_us":1793025623517866,"prev":null,"subject":"x402_bazaar:https://utils.kagurazaka.dev/v1/id","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. 0x39541c800e8620981804d2f4b4ae418435a28cdd5ad5a1e3a9570d7f81cda3b8
2. 0x4206d43c219623d3d6a00c8f2d4a6b7730204e14d1765feecaee9c5648d4b1a6
3. 0x4f7a77faaa2711fcb9aa2482d47084a0f718d642607c037390a800431ef09e5e
4. 0x8679e3b5b55b48278a1d4f75bb71e6667c95d3b6952c9f90517896657110ad00
5. 0x33f3288538b7c8a66764d232fa005aa3e9a6d7fdbf3bfa57ec9dd82c7b6abf6a
6. 0xfbfe3882cb055ada812607999a47a2d9c9d166345ca7bdc64973382f7984388c
7. 0x507870e044ee29020858094c93fdcfddcfd3ac790173158079990d13fe89e4b0
8. 0x2f8c5aef7268e70464a53de9690fa2f0602fbf67fa92f63b16cd6cedb0eca9ab
9. 0xd80d4eae73bbd3fdccb88b8241b520b340e41387dbe44d61dd6bbef84d1347f3
10. 0x523b8ac4b1e261a073661101852ada4310c46af0ed03f362d2ef83a301a47101
11. 0x04a1aa6c1d916326b08791d1568a512f10ac6aaee806ec4073570b0a6b1b64af
12. 0x18cc4431e4bbe45ee72defb9bb3318434364bf71c883055c6197fa7102ec601a
13. 0xe2214b3d6a48396930d1739b02ea366de2aac5337c9b9ff2aff28cecf6518139
14. 0x7f594f5609f388d64d3cda87b5631d393ee8300bb09bad71f150113a5886ee33
15. 0x4b52a97f7a80ff7778a702b85267b8d2e5c93ce160942656435c29ae7be68bf4
16. 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae