Evidence row 123569

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": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:8453",
        "payTo": "0x4E2bca3826E930C2c984B7Abb299b5812D5075Ea",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "Hc3sdEAsCGQcpgfivywog9uwtk8gUBUZgsxdME1EJy88"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "BRPU1mcPKaag1LxajqUX6BiKFfXxbEZnkFP7QsaZeRXx",
        "scheme": "exact"
      }
    ],
    "description": "PyPI changelog between two versions of a Python package: full release notes per version (newest first) with dates, bump type, yanked flags, extracted breaking changes and Requires-Python / dependency changes.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "description": "PyPI changelog between two versions of a Python package: full release notes per version (newest first) with dates, bump type, yanked flags, extracted breaking changes and Requires-Python / dependency changes.",
            "example": {
              "from": "2.31.0",
              "package": "requests",
              "to": "2.32.0"
            },
            "inputSchema": {
              "properties": {
                "from": {
                  "description": "Current version (exact or prefix)",
                  "type": "string"
                },
                "maxVersions": {
                  "type": "integer"
                },
                "package": {
                  "description": "PyPI project name",
                  "type": "string"
                },
                "prereleases": {
                  "type": "boolean"
                },
                "to": {
                  "description": "Target version, default latest",
                  "type": "string"
                }
              },
              "required": [
                "package",
                "from"
              ],
              "type": "object"
            },
            "toolName": "pypi_changelog",
            "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": "2026-10-22T13:57:42.223Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-22T13:57:41.829Z"
    },
    "resource": "https://upgrade-brief.shopttyass-85f.workers.dev/mcp#pypi_changelog",
    "type": "mcp",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "PyPI changelog between two versions of a Python package: full release notes per version (newest first) with dates, bump type, yanked flags, extracted breaking changes and Requires-Python / dependency changes."
}

What the leaf hashes

{"body":"fa769d4ef12a4f6ca72935cb7d60f9d43b37873b66eb47698cc2799317f10c7b","id":123569,"kind":"listing","method":"baseline/1","observed_us":1793025623328856,"prev":null,"subject":"x402_bazaar:https://upgrade-brief.shopttyass-85f.workers.dev/mcp#pypi_changelog","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. 0x21651d3511e06f97ed6b1f5e48bb134cdb282322046cdfdf902fa90824f90a5a
2. 0x708650d32197531bd6cc5401e104442d596cef9615e9123587cc6eb8483ce41f
3. 0x5d4a670517cd15eb7b834680c0de59d06b7a7995cdfde81448f448d99b40e753
4. 0x414156333b9b06b1feac097ea24e8d30ae70d7c29acbce42ee79476c3e5635a5
5. 0xe5f29b36e8276eabb1039b85a643c4a444f5a2ec070ae12ec4bdf24bc6be502c
6. 0x4ef37f52ae1a2da91b9ef687c27603fa7b058d1b4d3687180647445e8465d75f
7. 0xdfbf2f4e5f7b50d30b474a1f67fcd2f3e493127f515b3b6d15c6844a1e927ba2
8. 0x1a3ae4b9cd32c83a39fdfd2cca9d33d6fce3eaafe2a92a6441b0113f1b56f36e
9. 0xd6e2ee45672d0103008ae8e76e48a0ec90f9c27849f7c83d51f9da09cf5fae5c
10. 0x6487a391c112421d6d0b92e0372d1e4a5fd6afe541f565a9dde5c636d1ae4643
11. 0x71f472bb5c514dca2395c7842916e5cae63a9c622d8bc8f84b07a986c5ba91a1
12. 0xfde157310fc8513767b162378ca9ceefb2937c374b7381a8887f7ccba8ab5a80
13. 0x9d75d4d3ab6219edefa04be60b32fdd56be7a7672f370a5115f02f7b098ecd27
14. 0x9dfd312f3d4937f7cb144cee3987e8516f222932b4ea286605236d73cfa1ed16
15. 0xc3a6a3ae44ec0da1848b16d40c45d7aac97a67352eea8df18e0f26edabea8a2f
16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae