Evidence row 123566

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://upgrade-brief.shopttyass-85f.workers.dev/mcp"
    ]
  ],
  "name": "upgrade-brief.shopttyass-85f.workers.dev/mcp",
  "owner_address": "0x4e2bca3826e930c2c984b7abb299b5812d5075ea",
  "raw": {
    "accepts": [
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:8453",
        "payTo": "0x4E2bca3826E930C2c984B7Abb299b5812D5075Ea",
        "scheme": "exact"
      },
      {
        "amount": "5000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "Hc3sdEAsCGQcpgfivywog9uwtk8gUBUZgsxdME1EJy88"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "BRPU1mcPKaag1LxajqUX6BiKFfXxbEZnkFP7QsaZeRXx",
        "scheme": "exact"
      }
    ],
    "description": "npm breaking changes between two versions of a package, read from its real CHANGELOG and GitHub release notes: documented breaking items per version, major bumps, Node.js engine / ESM-CJS / peer dependency changes, migration guide links and a verdict.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "description": "npm breaking changes between two versions of a package, read from its real CHANGELOG and GitHub release notes: documented breaking items per version, major bumps, Node.js engine / ESM-CJS / peer dependency changes, migration guide links and a verdict.",
            "example": {
              "from": "4.21.0",
              "package": "express",
              "to": "5.0.0"
            },
            "inputSchema": {
              "properties": {
                "from": {
                  "description": "Current version (exact or prefix)",
                  "type": "string"
                },
                "package": {
                  "description": "npm package name",
                  "type": "string"
                },
                "prereleases": {
                  "type": "boolean"
                },
                "to": {
                  "description": "Target version, default latest",
                  "type": "string"
                }
              },
              "required": [
                "package",
                "from"
              ],
              "type": "object"
            },
            "toolName": "npm_breaking_changes",
            "transport": "streamable-http",
            "type": "mcp"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "description": {
                  "type": "string"
                },
                "example": {
                  "type": "object"
                },
                "inputSchema": {
                  "type": "object"
                },
                "toolName": {
                  "type": "string"
                },
                "transport": {
                  "enum": [
                    "streamable-http"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "mcp",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "toolName",
                "inputSchema"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-22T13:57:34.659Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-22T13:57:33.797Z"
    },
    "resource": "https://upgrade-brief.shopttyass-85f.workers.dev/mcp#npm_breaking_changes",
    "type": "mcp",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "npm breaking changes between two versions of a package, read from its real CHANGELOG and GitHub release notes: documented breaking items per version, major bumps, Node.js engine / ESM-CJS / peer dependency changes, migration guide links and a verdict."
}

What the leaf hashes

{"body":"b6fc66ff05009ec90c8dbd77681663d3a17a81ae0c8ea64173cc3e3257e97f3c","id":123566,"kind":"listing","method":"baseline/1","observed_us":1793025623325540,"prev":null,"subject":"x402_bazaar:https://upgrade-brief.shopttyass-85f.workers.dev/mcp#npm_breaking_changes","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. 0x731da8b3ce786bc7482b805c7589b3e3986fd0a09be19edfaa1bf558579ae293
2. 0x4c367752be2e60fda631147272eb2433ec14b9f8f2749431464419fa045276b1
3. 0x56e8b1e9ae9b2a427cfe7694c18c5b97b558df088cf8e9c7e08ce6738dcfa14c
4. 0x52880c720143833dc8fafaf4fc995afdfdfaf23037319195eef46f62d177efc0
5. 0x6f8a9889994ea21e7eb906c7ed003cbe7a8ed15139fe752626e9d8d892dd5002
6. 0x7ef333d62b48594414bbd5e5944cff5b952a456b9042d0c50f613a1ffb8a66c1
7. 0xc293f50679ce126882c66f316b5f264a65c1665bdee0cf1f5648128e7565c405
8. 0x4ae6b386d6523d591cd4dac22e5b121f2c3b8aff5de9c004b2c61c0c21720f1a
9. 0x3535943122431e7c2826492f8dd76fcee69a4bf3bb60c7b87d7ed0ee4e0ea06a
10. 0xc2fcd11ef5af6a59df481070e310192a7ac0d719b88489223003ed02d68e2c79
11. 0x4ad1cba264cd30b4cce9fb7c52897b51c3d91649c3d00e37d10c56aed923e338
12. 0x3f193b47c78cf4e7b9e4988cd716854b0e1011e5fcbca161f5a885f1aa02857d
13. 0x06064dc1eb2363bec8c2a752e0a28aafc4bf0cb21d1b1b755821c1575bb77a96
14. 0xc4fe2177880ea1b0e82b6fe4c270090fd0fbe5af3a42a8cbf6a6ba2fa35625f6
15. 0x15039087bf60ae9b06b756ec3cbc299760e59923a438bbd91e34d105186db0ed
16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae