Evidence row 1507927

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://premium.35-171-220-195.sslip.io/v1/tip/eth-gas"
    ]
  ],
  "name": "Avasis Agent Platform",
  "owner_address": "0x6264191d6dd5427435b5e829077842e130ef1fc8",
  "raw": {
    "accepts": [
      {
        "amount": "2000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:8453",
        "payTo": "0x6264191D6dD5427435B5E829077842e130Ef1fc8",
        "scheme": "exact"
      }
    ],
    "description": "Ethereum mainnet gas tip for agents that send transactions: latest block number and age, base fee, eth_gasPrice, eth_maxPriorityFeePerGas and a suggested maxFeePerGas (2x base fee + priority), from one batched RPC call every 4 s. Long-poll with ?since=<seq>&wait=25. Prepaid meter price $0.0002/call (packs at /v1/meter); SSE at /v1/stream/tips.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {},
            "type": "http"
          },
          "output": {
            "example": {
              "ageMs": 420,
              "changed": true,
              "data": {
                "blockAgeSeconds": 5,
                "blockNumber": 23700000,
                "chain": "ethereum",
                "chainId": 1,
                "gwei": {
                  "baseFee": 0.41,
                  "gasPrice": 1.41,
                  "maxPriorityFee": 1,
                  "suggestedMaxFee": 1.82
                }
              },
              "observedAt": "2026-10-29T12:00:00.000Z",
              "seq": 812,
              "stale": false,
              "topic": "eth-gas"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "additionalProperties": false,
                  "properties": {
                    "since": {
                      "description": "long-poll: the seq you already have; answers as soon as a newer value exists",
                      "minimum": 0,
                      "type": "integer"
                    },
                    "wait": {
                      "description": "long-poll: seconds to wait for a newer value (0..25); with a prepaid token an unchanged answer is free",
                      "maximum": 25,
                      "minimum": 0,
                      "type": "integer"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "data": {
                      "type": "object"
                    },
                    "observedAt": {
                      "type": "string"
                    },
                    "seq": {
                      "type": "integer"
                    },
                    "topic": {
                      "type": "string"
                    }
                  },
                  "required": [
                    "topic",
                    "seq",
                    "data"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      },
      "builder-code": {
        "info": {
          "a": "bc_d5i1omim"
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "additionalProperties": false,
          "properties": {
            "a": {
              "description": "App builder code",
              "pattern": "^[a-z0-9_]{1,32}$",
              "type": "string"
            },
            "s": {
              "description": "Service builder codes",
              "items": {
                "pattern": "^[a-z0-9_]{1,32}$",
                "type": "string"
              },
              "maxItems": 11,
              "type": "array"
            },
            "w": {
              "description": "Wallet builder code",
              "pattern": "^[a-z0-9_]{1,32}$",
              "type": "string"
            }
          },
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-31T12:37:16.946Z",
    "quality": {
      "l30DaysTotalCalls": 5,
      "l30DaysUniquePayers": 4,
      "lastCalledAt": "2026-10-31T00:39:16.448Z"
    },
    "resource": "https://premium.35-171-220-195.sslip.io/v1/tip/eth-gas",
    "serviceName": "Avasis Agent Platform",
    "tags": [
      "realtime",
      "long-poll",
      "sse",
      "ethereum",
      "gas"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Ethereum mainnet gas tip for agents that send transactions: latest block number and age, base fee, eth_gasPrice, eth_maxPriorityFeePerGas and a suggested maxFeePerGas (2x base fee + priority), from one batched RPC call every 4 s. Long-poll with ?since=<seq>&wait=25. Prepaid meter price $0.0002/call (packs at /v1/meter); SSE at /v1/stream/tips."
}

What the leaf hashes

{"body":"4a5a5406e1c7676b3b43fb7bd8789c1fb88b0c110c4c5ed812bd58278878121b","id":1507927,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793472705830248,"prev":1038798,"subject":"x402_bazaar:https://premium.35-171-220-195.sslip.io/v1/tip/eth-gas","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-31 (246033 rows).

1. 0xa1f60875679ef864e1d8c142961082825003910b2259355d02ce83c9f5e0fdce
2. 0x4953a47d4d24b35cc5d6983d5fa35eb289f2c317fe0c1d7d547ccd3a6ec86bd7
3. 0x60260a007c4ae742ede3c98f6d292e437fb9422358f2ee13d5fc313b68cdd8fd
4. 0x10218a1b9b05ee3fcfc628bc6bc6e8ed0d002fd55525071ce9564dfc473b050b
5. 0x90d9f8dedbe42013951a21afddadc915e0f481280987b573da1987a0a723582d
6. 0x2d9ece9942f0b1dd25df72e82a92589b6d75f3b2084840ad2d5cecf2d351a906
7. 0xfd2f6ae2253f37471bfc84dc762804c69cc60cfa93cda19d260dac0432ea847a
8. 0x715e44fc59d3682604d10698aa0c2155586ab6dcda40ea649ae6fa840eeb64b8
9. 0x87b381c9b439c4bbb2b1cb33c97d8596c63d8bf2e4565bf480fda7f708e9f61f
10. 0xd4dbf248c8ff0db358eaeec8f65ac64079c3dc2580890abaa5f83fcab9fffd7c
11. 0xa5e43ba9168de112db5c3917bbbdd2c01aab71946aa5b67299248cc8346a738f
12. 0x793e109e24366900ed525fd6441b8679bd8e0f90728d544dacac6ad8639f385f
13. 0xbb0d6a5ef6d4a77fc1050819b844be89ee9cf38eab6c5c080e1d03a1935ecfc3
14. 0xfc4e63034c3e47c4cc19a85dbacdb421762119a58090dfe0c71e13f11f75db19
15. 0xaada757a4e58b5424e31228ed7c84f378168cc321ac8ae3a78bfc8096bcc0324
16. 0x8605635b6c6bd33c6547585212170cc076018c2dd5f81f35a5ac4ade689fbb12
17. 0x50003b3c3045b653f8be4232e95e80582cf5c54c14c509ba0a9a197b9e5005cb
18. 0x0504a25438f3c7932125463198ca74c5064f23f71a5c92763b3fc96a98cc8b57

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0