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Evidence row 2201920

Observed , by sync.x402_bazaar/1.

Kind
listing
About
source_record x402_bazaar:https://environment-screen.x402tookit.com/tri-facility-chemicals
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
e78e679e53b10c105c55f7b87df9b40fcc08bc4b7e65a38ed4b848fceb9a04b1
Leaf
0x542642e948fbf81ffdfb77ac28540d250d5e62c0d8c01e7ff6bc5459a1b48580

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://environment-screen.x402tookit.com/tri-facility-chemicals"
    ]
  ],
  "name": "Environment Screen",
  "owner_address": "0xb531320805c5bed1d46aeadcf4f008fdf172dbda",
  "raw": {
    "accepts": [
      {
        "amount": "30000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
        "scheme": "exact"
      },
      {
        "amount": "30000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
          "transactionVersions": [
            0
          ]
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "DUPiupXtuox38dcGoXUKer5mAydCzmaHjrbQ66qeEm8s",
        "scheme": "exact"
      },
      {
        "amount": "30000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
        "scheme": "exact"
      },
      {
        "amount": "30000",
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:42161",
        "payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
        "scheme": "exact"
      }
    ],
    "description": "Chemicals an EPA TRI facility has reported on Form R/A filings, with first and last year and form counts.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "tri_facility_id": "01217CLHRS20OLD"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "asOf": "2026-10-21T00:33:18.508Z",
              "chemicals": [
                {
                  "chemical": "1,1,1-Trichloroethane",
                  "firstYear": 1987,
                  "forms": 5,
                  "lastYear": 1991,
                  "triChemId": "0000071556",
                  "yearsReported": 5
                }
              ],
              "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.",
              "distinctChemicals": 1,
              "facility": {
                "address": "20 OLD COLONY AVE",
                "city": "BOSTON",
                "county": "SUFFOLK",
                "federalFacility": false,
                "frsId": "110002012036",
                "lat": 42.34,
                "locationAccuracyM": 600,
                "lon": -71.057778,
                "name": "COLE HERSEE CO",
                "open": true,
                "parentCompany": null,
                "state": "MA",
                "triFacilityId": "01217CLHRS20OLD",
                "zip": "021272467"
              },
              "formsRead": 5,
              "notChecked": [
                "release quantities and pounds: this lists which chemicals were reported, not how much",
                "whether any release exceeded a legal limit",
                "…2 more"
              ],
              "reasons": [
                "The newest form read is from 1991: the facility may have stopped reporting even though EPA's registry flags it open."
              ],
              "source": "EPA Envirofacts TRI_REPORTING_FORM and TRI_FACILITY",
              "sourceUrl": "https://www.epa.gov/enviro/envirofacts-data-service-api",
              "summary": "COLE HERSEE CO (BOSTON, MA) reported 1 distinct chemical across 5 forms, 1987 to 1991.",
              "totalForms": 5,
              "truncated": false,
              "verdict": "CHEMICALS_REPORTED"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "tri_facility_id": {
                      "description": "TRI facility ID, e.g. 01217CLHRS20OLD (from /tri-facilities-near)",
                      "type": "string"
                    }
                  },
                  "required": [
                    "tri_facility_id"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "asOf": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "chemicals": {
                      "items": {
                        "properties": {
                          "chemical": {
                            "type": [
                              "null",
                              "string"
                            ]
                          },
                          "firstYear": {
                            "type": [
                              "null",
                              "number"
                            ]
                          },
                          "forms": {
                            "type": [
                              "null",
                              "number"
                            ]
                          },
                          "lastYear": {
                            "type": [
                              "null",
                              "number"
                            ]
                          },
                          "triChemId": {
                            "type": [
                              "null",
                              "string"
                            ]
                          },
                          "yearsReported": {
                            "type": [
                              "null",
                              "number"
                            ]
                          }
                        },
                        "type": "object"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "degraded": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "disclaimer": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "distinctChemicals": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "facility": {
                      "properties": {
                        "address": {
                          "type": [
                            "null",
                            "string"
                          ]
                        },
                        "city": {
                          "type": [
                            "null",
                            "string"
                          ]
                        },
                        "county": {
                          "type": [
                            "null",
                            "string"
                          ]
                        },
                        "federalFacility": {
                          "type": [
                            "boolean",
                            "null"
                          ]
                        },
                        "frsId": {
                          "type": [
                            "null",
                            "string"
                          ]
                        },
                        "lat": {
                          "type": [
                            "null",
                            "number"
                          ]
                        },
                        "locationAccuracyM": {
                          "type": [
                            "null",
                            "number"
                          ]
                        },
                        "lon": {
                          "type": [
                            "null",
                            "number"
                          ]
                        },
                        "name": {
                          "type": [
                            "null",
                            "string"
                          ]
                        },
                        "open": {
                          "type": [
                            "boolean",
                            "null"
                          ]
                        },
                        "parentCompany": {},
                        "state": {
                          "type": [
                            "null",
                            "string"
                          ]
                        },
                        "triFacilityId": {
                          "type": [
                            "null",
                            "string"
                          ]
                        },
                        "zip": {
                          "type": [
                            "null",
                            "string"
                          ]
                        }
                      },
                      "type": [
                        "null",
                        "object"
                      ]
                    },
                    "formsRead": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "notChecked": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "reasons": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "source": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "sourceUrl": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "summary": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "totalForms": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "truncated": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "verdict": {
                      "type": [
                        "null",
                        "string"
                      ]
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-01T22:52:53.962Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-11-01T22:52:53.802Z"
    },
    "resource": "https://environment-screen.x402tookit.com/tri-facility-chemicals",
    "serviceName": "Environment Screen",
    "tags": [
      "epa",
      "tri",
      "chemicals",
      "facility"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Chemicals an EPA TRI facility has reported on Form R/A filings, with first and last year and form counts."
}

What the leaf hashes

{"body":"e78e679e53b10c105c55f7b87df9b40fcc08bc4b7e65a38ed4b848fceb9a04b1","id":2201920,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646810203510,"prev":null,"subject":"x402_bazaar:https://environment-screen.x402tookit.com/tri-facility-chemicals","subject_kind":"source_record"}

Proof

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

  1. 0x542656ca3d0391b38ad037165a73cf447239b1b9c8d4f929fd94357ff6d472a3
  2. 0xfbd888f36b0b8ef516a9d253a73f8b0c188bc036ab661545075cd24c9fcd4a5a
  3. 0x6444d26f4c9813d4442a2bcbae5d889a7c140eef59131e140fa72773150c62cb
  4. 0x8fb67090976becab3e53dd7df809093d345a9cf83a2b5ee8aed2500c5dcee923
  5. 0x891c3400b00439c5bf76c51d171dbc6676036d5287febdd8ea5633069536d96c
  6. 0x877f63573b12c23fd5d304fb4e760584e5ddafbaa72dc6cd6fbac86b8c1f0f66
  7. 0x31ff52bd1fe255d5048df595fb76b1b76fb46f342439a0b7eae5d7fdcc3a735d
  8. 0xdb0eafd9e551781a9bd92111ee6cdbe79d3017a4592d5569eeb17371d3942f36
  9. 0x115f3da721c349424d3697efa23c8ca1fe3af2e32ecb3c90beb151a26601b753
  10. 0xee19c596b35d5cff976eca5bfaf75d9779400b2665874396d5876dc870c65fb0
  11. 0xa1080362e425a04174e3eb6ef5bd970f47e09f00e7e894ce8ce773f5ec2193f2
  12. 0x2f939f81b3d9a2b0b3675f2495202eecfcd0bc01d5caf387a09af7c46e8e7e6a
  13. 0x1af6bd9d49aa04d9f41d673388facaaa9e6daacb0aa9aad0dcf31353556f6ee6
  14. 0xa96ecfe7ab9f1788120ca262a1b69b7b258160df41b4041d36fcd211c95d26d9
  15. 0x67c99d356de30f9cfab88af48fbaa18909ef230dd09947e84da060bc03aca929
  16. 0x1068659ec8f2bcf26e4ad39786557a8c45d60e5ebba4fce2fb9962b2c9c59920
  17. 0xf9973981f80219d4f00fa9186b40a8144accc0c9875572fb79eaea312a21a187
  18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
  19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
Day root
0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
Chained
0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
Published
On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af

How to check it · This row as JSON