Evidence row 121534

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://soren.com/v1/chain/supply"
    ]
  ],
  "name": "Soren",
  "owner_address": "0xadc3a47efbd82ed724a0e9a3d08d5a1a8e6586fd",
  "raw": {
    "accepts": [
      {
        "amount": "3000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "resource": "/v1/chain/supply",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:8453",
        "payTo": "0xaDc3A47EFbD82Ed724a0E9A3D08D5A1A8e6586fd",
        "scheme": "exact"
      }
    ],
    "description": "Read an ERC-20 total supply with symbol, decimals and a formatted amount, live from Base mainnet, for a fraction of a cent. No API key, no account — a wallet is the only requirement, and you are charged only if the read succeeds. Plain unsigned data; the attested version of chain reads is /v1/oracle/onchain. Answers are read at the moment of the call and stamped with the block they came from where applicable.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "token": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "as_of_block": "<int>",
              "decimals": 6,
              "raw": "<int>",
              "supply": "<decimal>",
              "symbol": "USDC",
              "token": "<0x…>"
            },
            "type": "json"
          }
        },
        "routeTemplate": "/v1/chain/supply",
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "token": {
                      "description": "The ERC-20 contract address.",
                      "examples": [
                        "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "token"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            }
          }
        }
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1785562636/bazaar-icons/b50c9e386b9d1c81.png",
    "lastUpdated": "2026-10-08T06:12:13.051Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-08T06:12:12.884Z"
    },
    "resource": "https://soren.com/v1/chain/supply",
    "serviceName": "Soren",
    "tags": [
      "chain",
      "base",
      "onchain",
      "blockchain",
      "supply"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Read an ERC-20 total supply with symbol, decimals and a formatted amount, live from Base mainnet, for a fraction of a cent. No API key, no account — a wallet is the only requirement, and you are charged only if the read succeeds. Plain unsigned data; the attested version of chain reads is /v1/oracle/onchain. Answers are read at the moment of the call and stamped with the block they came from where applicable."
}

What the leaf hashes

{"body":"76aa3d061f5b6a9e6f38f749a829219be8ba065546d07ba6ba2b52989e236235","id":121534,"kind":"listing","method":"baseline/1","observed_us":1793025620035811,"prev":null,"subject":"x402_bazaar:https://soren.com/v1/chain/supply","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. 0x071056abb93c5780cc308f5106431c90fdf92db34187411532835573ad16ed26
2. 0xd17e16a185a17418a667008d45a47ddc7587c4a7e85718d2b52739a69d13d497
3. 0x7e8a509983a63a1343294beb4b2155939dd171bd0899b0981baf22b80f11a224
4. 0xf3f42a5c26fcbd2a64d6e51bc4dd5d84850859764f6615d98404cdbe894409f7
5. 0xb15d3e2f4e1d051f6e4f8b01dc829b8888e0bb6e12566c603fc5975a28e34417
6. 0x9cf91bda6065e41b003212dbcfca66389c6db71588238c9005c35e5dfe73243c
7. 0x64f20c0e19f47f927f0d75e2ad0c2c2958699ab28ed0e55cb35c2b9383668e5e
8. 0xae74933e7107e9391bcb0978bfcb74022e886c233ca26f477a69c222d7ddf0c2
9. 0xe58a7bfbcf7ee0d09cdd1c9633a76e0cb7f5d22098bb0135fe0fd6c148c481b4
10. 0x9a948adeab9018ec5a898e396ee4bd686403fcc757d5eaa65da65f42603cb55c
11. 0xdd6d5f87470c9b64b375ecc2fb3ff4a65fedf3d6a0bd40f365da40a6a41b103d
12. 0x7910a200eb458bec3c3badb3b2ead3e75cec5f3ba263800cea6b9f32efb53f25
13. 0x610fdf3e989af0a6b4a400a3a8aab9156d757f8c96efe4e9d0594dfd04de1cc0
14. 0xd1d3499072edb10edc68f84bcae2365d2ab534df689250cab18c751b6f13b6ff
15. 0x7ddc2fead128357f881b63e6c7c26d7fbbb84fca6c7c8e0bbfe386de86ca8d39
16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae