Evidence row 527209

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://aaron-protocol-radar.vercel.app/x402/protocol-updates"
    ]
  ],
  "name": "Protocol Radar - Aaron Zhang",
  "owner_address": "0x4b5887b6e399c2e104becd01f7c406229c15891d",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x4b5887B6E399C2E104becd01f7c406229c15891d",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "0x036CbD53842c5426634e7929541eC2318f3dCF7e",
        "extra": {
          "name": "USDC",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:84532",
        "payTo": "0x4b5887B6E399C2E104becd01f7c406229c15891d",
        "scheme": "exact"
      }
    ],
    "description": "x402 protocol updates as JSON: recently merged changes in the x402 Foundation repository (formerly coinbase/x402), latest tags, and current npm versions of the @x402 packages (core, evm, express, fetch, extensions) and @coinbase/x402. Read live from GitHub and npm, with links.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {},
            "type": "http"
          },
          "output": {
            "example": {
              "dataset": "x402-protocol-updates",
              "generated_at": "2026-10-08T00:00:00Z",
              "sources": [
                "https://github.com/..."
              ]
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {},
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-27T09:49:22.428Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-27T09:49:22.31Z"
    },
    "resource": "https://aaron-protocol-radar.vercel.app/x402/protocol-updates",
    "serviceName": "Protocol Radar - Aaron Zhang",
    "tags": [
      "x402",
      "protocol",
      "coinbase",
      "agent-payments",
      "updates"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "x402 protocol updates as JSON: recently merged changes in the x402 Foundation repository (formerly coinbase/x402), latest tags, and current npm versions of the @x402 packages (core, evm, express, fetch, extensions) and @coinbase/x402. Read live from GitHub and npm, with links."
}

What the leaf hashes

{"body":"afc1a939008dd8c5659db59c72b64508fd7a2dd928ea4ff79b01c4dfec6298fe","id":527209,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793124795835326,"prev":452851,"subject":"x402_bazaar:https://aaron-protocol-radar.vercel.app/x402/protocol-updates","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. 0xd014bb1f1b06227760b164c5617a0cb1f84ae9864163d2eeb3b01a6c891fc570
2. 0x2c780640ef89333a03b40ed52ca43fc1325c1a6689acfa1edf90928e4f6bf46d
3. 0x5ff318ae5f0acd8a39fda25edbef25b5632510a7020706ed321d63d573087fd5
4. 0x82fd7f32b16d87e1d395140439fe95871a7be039d3d2c9fe67a2faefd50706d0
5. 0x8a7b000c436cf95f5fc5b35ee1c980c6db0c0b20b6e119350894ed9f6b7af520
6. 0x9e18e8df1f052270796d62f04a2dce8f54ccf51d73bdc03c18867f88334296cd
7. 0x881a45b482c985f3eaa5ac16ac5ac8e8d33cfa86c80a29cc01993e6a3b9192bc
8. 0xf5e613518d86f7c5c8c25bf20dfdd9f28834540b980187a7dd544de35e1ed454
9. 0xf259e0e9b9d62580f1cc5883d5b6c79a1bc4b16483397211749dcf7c91ae43aa
10. 0x3065b94504be69ee520c14c1d60905f5c9fc567fa2688889f96bea6ff14c9f5f
11. 0xb0a0345698a651d16a7835ce0273cac8edfc7fe365d4501567c913ca6658deb7
12. 0x38b115338d9e861f29b2feec4763340cc61f27fc2c2bbe5bf04934e95e485c6c
13. 0xc66f83a1320fe7c1faf22674eeeb7fae22ecd2f0b102d9619a484291f2ce104a
14. 0x8f676edfb4faaa290229d8f4f69ab721fc627424463d62f5146b3d1ca7f2f0c6
15. 0x969cd44e5a4e8dc3110540398fbf689659eb51df735c1cda5d8f021ef9ff5683
16. 0xa94627de1af0e823832e05a9069b304ecccb8c0cdb8f9cfc4f2039bfb9799dc5
17. 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4