Evidence row 2202136

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://cheap-utilities.x402tookit.com/hash-text"
    ]
  ],
  "name": "Cheap Utilities",
  "owner_address": "0xb531320805c5bed1d46aeadcf4f008fdf172dbda",
  "raw": {
    "accepts": [
      {
        "amount": "20000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
          "transactionVersions": [
            0
          ]
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "DUPiupXtuox38dcGoXUKer5mAydCzmaHjrbQ66qeEm8s",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:42161",
        "payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
        "scheme": "exact"
      }
    ],
    "description": "SHA-256, SHA-1, SHA-512 and MD5 digests of a short text in hex and base64, with byte length and base64 encoding.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "text": "hello world"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "asOf": "2026-10-11T01:25:50.695Z",
              "bytes": 11,
              "degraded": false,
              "disclaimer": "Screening signal computed from the named public source. Not financial, legal or investment advice; provided as is. Verify at the source before acting.",
              "md5": {
                "hex": "5eb63bbbe01eeed093cb22bb8f5acdc3"
              },
              "notChecked": [
                "password hashing (use a slow salted hash, not these)",
                "text with a trailing newline or other whitespace changes (the text is used exactly as received after trimming)"
              ],
              "reasons": [
                "MD5 and SHA-1 are broken for security use; they are provided for checksums and compatibility only."
              ],
              "sha1": {
                "hex": "2aae6c35c94fcfb415dbe95f408b9ce91ee846ed"
              },
              "sha256": {
                "base64": "uU0nuZNNPgilLlLX2n2r+sSE7+N6U4DukIj3rOLvzek=",
                "hex": "b94d27b9934d3e08a52e52d7da7dabfac484efe37a5380ee9088f7ace2efcde9"
              },
              "sha512": {
                "hex": "309ecc489c12d6eb4cc40f50c902f2b4d0ed77ee511a7c7a9bcd3ca86d4cd86f989dd35bc5ff499670da34255b45b0cfd830e81f605dcf7dc5542e93ae9cd76f"
              },
              "source": "computed locally",
              "summary": "Digests of 11 bytes of UTF-8 text.",
              "textBase64": "aGVsbG8gd29ybGQ=",
              "verdict": "COMPUTED"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "text": {
                      "description": "Text to hash (up to 2000 characters, UTF-8)",
                      "type": "string"
                    }
                  },
                  "required": [
                    "text"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "asOf": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "bytes": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "degraded": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "disclaimer": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "md5": {
                      "properties": {
                        "hex": {
                          "type": [
                            "null",
                            "string"
                          ]
                        }
                      },
                      "type": [
                        "null",
                        "object"
                      ]
                    },
                    "notChecked": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "reasons": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "sha1": {
                      "properties": {
                        "hex": {
                          "type": [
                            "null",
                            "string"
                          ]
                        }
                      },
                      "type": [
                        "null",
                        "object"
                      ]
                    },
                    "sha256": {
                      "properties": {
                        "base64": {
                          "type": [
                            "null",
                            "string"
                          ]
                        },
                        "hex": {
                          "type": [
                            "null",
                            "string"
                          ]
                        }
                      },
                      "type": [
                        "null",
                        "object"
                      ]
                    },
                    "sha512": {
                      "properties": {
                        "hex": {
                          "type": [
                            "null",
                            "string"
                          ]
                        }
                      },
                      "type": [
                        "null",
                        "object"
                      ]
                    },
                    "source": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "summary": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "textBase64": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "verdict": {
                      "type": [
                        "null",
                        "string"
                      ]
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-01T22:40:50.165Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-11-01T22:40:49.996Z"
    },
    "resource": "https://cheap-utilities.x402tookit.com/hash-text",
    "serviceName": "Cheap Utilities",
    "tags": [
      "hash",
      "sha256",
      "encoding"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "SHA-256, SHA-1, SHA-512 and MD5 digests of a short text in hex and base64, with byte length and base64 encoding."
}

What the leaf hashes

{"body":"5c68e8b8f713a0b068d9538876f1076a0e8d44cb0cf78916d06df8259fe81f5c","id":2202136,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646812732566,"prev":null,"subject":"x402_bazaar:https://cheap-utilities.x402tookit.com/hash-text","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0x0a91ab4733c2576345d4f8607f3f4f4ee3c8370a9558b954cd1f7ae10909b61f
2. 0x1e0d10d19c72e52b180b354be40a6ea997165d3164d29eb34dfa9e8ae2feee6f
3. 0xabed97d84eb8584af7376fef075d5afbc60e8b686aac2f83761cbe339a2d0530
4. 0xb0bcba79ee7ee8ab3863f5d3ded2a60352242bba795c6dbd68c8d9252e4a8795
5. 0x88192090defa86d6d7fb1c941569cf27e8893dba94fddfaa62d477370c054b66
6. 0xacdbb24e554b487a1e1757edf471d8e1ac35191b9d847bbf4c435478611f3b32
7. 0xd9088548e1156c0112b6995946c747ed12455e9c1c3c8d3ed8979a875ab3bca8
8. 0x49c5cada679b1f1a03892c093d76d2faa16e6eb68997201af0fb1c3d7e52de16
9. 0x7362a36de49332e26aa02b7dd538ede3981aca6b44049c387d777159b9730aca
10. 0x3ff90be6b95d39048a348b84218bc59fd8abf413c489d329d2688150f4e06159
11. 0x01fb90df122944ff782f038f69b52b74876ed617cff3f93d8476ac05e6098bf9
12. 0x62de33badd80df7208b6396a7b5f84e1812bd119449601378f8498da3e7a5e36
13. 0x0e3de14ede58ca786386b84fae42b353877b05ffc635f390b0d80c2d2342d8ad
14. 0xdd12fe6a2b0c972fe8b92369b1535a7d883c9e1085b61ddaf4130d8880afad75
15. 0xd82979c12a2aae44121bb6058b3364b3a3cbc9be411e35ab0208df5ed56f65d4
16. 0x7cb861d18f06406535ade133f716d897f27d257cf0121f99d94c78c713c4b54d
17. 0x53a741b69e9e51c4a288a74712aa6ac3fb28c8923cd3e6461d161c4f2d48b31a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af