Evidence row 426860

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://x402-niche-briefs.fly.dev/v1/eu-reach-svhc-scip-check"
    ]
  ],
  "name": "EU REACH SVHC / SCIP check",
  "owner_address": "0x847f54ae8ddfd71ed7bc930c1f7a73576fab03a9",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x847f54ae8dDFD71ed7bC930C1f7a73576FAb03A9",
        "scheme": "exact"
      }
    ],
    "description": "REACH Art. 33 communication and SCIP notification above 0.1% w/w.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "article_type": "electronic_assembly",
              "svhc_w_w_pct": "0.05"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "as_of": "2026-10-25",
              "disclaimer": "Educational reference and automated checklist only; not legal advice.",
              "flags": [],
              "input": {
                "article_type": "electronic_assembly",
                "svhc_w_w_pct": 0.05
              },
              "regulations": [
                "REACH Art. 33 (below threshold)"
              ],
              "required_elements": [
                "keep supplier declarations current vs Candidate List"
              ],
              "risk_level": "low"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "article_type": {
                      "description": "Article type",
                      "enum": [
                        "electronic_assembly",
                        "coated_textile",
                        "molded_polymer"
                      ],
                      "type": "string"
                    },
                    "svhc_w_w_pct": {
                      "description": "Highest SVHC % w/w in article",
                      "type": "string"
                    }
                  },
                  "required": [
                    "article_type",
                    "svhc_w_w_pct"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "$schema": "https://json-schema.org/draft/2020-12/schema",
                  "properties": {
                    "as_of": {
                      "type": "string"
                    },
                    "disclaimer": {
                      "type": "string"
                    },
                    "flags": {
                      "type": "array"
                    },
                    "input": {
                      "properties": {
                        "article_type": {
                          "type": "string"
                        },
                        "svhc_w_w_pct": {
                          "type": "number"
                        }
                      },
                      "required": [
                        "article_type",
                        "svhc_w_w_pct"
                      ],
                      "type": "object"
                    },
                    "regulations": {
                      "items": {
                        "type": "string"
                      },
                      "type": "array"
                    },
                    "required_elements": {
                      "items": {
                        "type": "string"
                      },
                      "type": "array"
                    },
                    "risk_level": {
                      "type": "string"
                    }
                  },
                  "required": [
                    "input",
                    "risk_level",
                    "regulations",
                    "required_elements",
                    "flags",
                    "disclaimer",
                    "as_of"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-27T02:23:23.626Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-27T02:23:23.446Z"
    },
    "resource": "https://x402-niche-briefs.fly.dev/v1/eu-reach-svhc-scip-check",
    "serviceName": "EU REACH SVHC / SCIP check",
    "tags": [
      "compliance",
      "eu",
      "reach"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "REACH Art. 33 communication and SCIP notification above 0.1% w/w."
}

What the leaf hashes

{"body":"205854b80685d7fd5eab120905489c15d01916c37623e704c3b9da1391818094","id":426860,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793086313655699,"prev":409320,"subject":"x402_bazaar:https://x402-niche-briefs.fly.dev/v1/eu-reach-svhc-scip-check","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0x86cdd3cac51fa5ff01b455c55d16494a13a133c75de9bb98608734cd43ae8595
2. 0x37318e8d182db9af9ba6bf81032979c9eef162c8ce218b22f5ea109c312a5983
3. 0xbaadef96b6817a33d70ee4c291dd6f1c2492c8f003e9b9f0cae31981922857da
4. 0xb5236c4b8758447161683a182aefcf6ad634660fa83476a3328f3ce9e755a1e6
5. 0xdfc5a98a9836760f7e57d04851f51de65175833dffddfe3f2beb7ee8582b5fa4
6. 0x178e7e8ec4a335be831558de12d0c7bfc9f2b33b9effa987d969f70994ae1aca
7. 0xd78503fbdc04a2d2bf2aa61a0e294510862027699b4e24edfe34818f23f873f9
8. 0x50aeb0933f758aa3380efd47027e4b5951a42e140f9e524faba7f97203422f2d
9. 0xfe9c8b4512e24a544838a1623e599eaef004c2b9c4a3d409bda4a08a3273b0c5
10. 0x62b856b44e16d175a37058c6919f0c4acdf69afdf756c53db4e59cf54aa2a004
11. 0xa422cf0aa2444c11b145e66f51596fb564431c83c30bc600fea79ecf01652ab4
12. 0xe5ce8ac1ba4d6152605e0a032058cac5906d85f82e3fda1ad44852337b713b17
13. 0x07d414626f116f3edc6ddb34183ed02538c3a805fec6db00f9d764f8fd595d04
14. 0x4964f0806efde5ed25f60da2b45d78cd2e0f07d67e64aad2822f6016ad973c47
15. 0x3c500ec3d3edf0c74b87a6ca8fcd77656bfbe03db3d478bd0c184d0c88839c6b
16. 0xfecf3d4646dd4984a13dd715499e842c3fde63692336d97394c2bfd8e877ca5d
17. 0xf30fddbf4811226c58e8f0daf36fddd79fc5f1356b592bb1d99a8061ddbabe66
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4