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Evidence row 19922

Observed , by sync.x402_bazaar/1.

Kind
listing
About
source_record x402_bazaar:https://http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run/repo/changed
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
83cdd892c7e69efc8d91a6efc3f2b741d01812f1048c07a86df8574c4aa13d05
Leaf
0x4dd350c3c68d5b88b0d2a5e79cb9415d89bbb57e06fc3483364fbdc367e722b1

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run/repo/changed"
    ]
  ],
  "name": "Forest Infra",
  "owner_address": "0xb48d918151311f982d542ef5c84cc1cd54cff7a9",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:8453",
        "payTo": "0xb48D918151311F982d542eF5C84cc1cd54CFf7a9",
        "scheme": "exact"
      }
    ],
    "description": "Cheaply detect material public repository state changes with a deterministic hash of existence, branch and archive state. Timestamps and unrelated metadata do not trigger a change. Base mainnet USDC",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "previous_hash": "sha256:0000000000000000000000000000000000000000000000000000000000000000",
              "repository": "octocat/Hello-World"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "capability": "repo.changed",
              "data": {
                "archived": false,
                "changed": false,
                "changed_fields": [],
                "current_head_sha": "example",
                "default_branch": "example",
                "new_hash": "example",
                "previous_hash": "example"
              },
              "meta": {
                "cache": "miss",
                "checked_at": "2026-01-01T00:00:00.000Z",
                "duration_ms": 0,
                "provider": "state-hash"
              },
              "ok": true,
              "version": "1"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "previous_hash": {
                      "description": "Earlier result hash used to detect a material change.",
                      "type": "string"
                    },
                    "repository": {
                      "description": "Public owner/name repository to inspect.",
                      "maxLength": 200,
                      "pattern": "^[A-Za-z0-9_.-]+/[A-Za-z0-9_.-]+$",
                      "type": "string"
                    }
                  },
                  "required": [
                    "repository"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "additionalProperties": false,
                  "properties": {
                    "capability": {
                      "const": "repo.changed",
                      "description": "Public capability value used to scope this lookup."
                    },
                    "data": {
                      "additionalProperties": false,
                      "description": "Public data value used to scope this lookup.",
                      "properties": {
                        "archived": {
                          "description": "Public archived value used to scope this lookup.",
                          "type": [
                            "boolean",
                            "null"
                          ]
                        },
                        "changed": {
                          "description": "Public changed value used to scope this lookup.",
                          "type": [
                            "boolean",
                            "null"
                          ]
                        },
                        "changed_fields": {
                          "description": "Public changed fields value used to scope this lookup.",
                          "type": "array"
                        },
                        "current_head_sha": {
                          "description": "Public current head sha value used to scope this lookup.",
                          "type": [
                            "string",
                            "null"
                          ]
                        },
                        "default_branch": {
                          "description": "Public default branch value used to scope this lookup.",
                          "type": [
                            "string",
                            "null"
                          ]
                        },
                        "new_hash": {
                          "description": "Public new hash value used to scope this lookup.",
                          "type": "string"
                        },
                        "previous_hash": {
                          "description": "Earlier result hash used to detect a material change.",
                          "type": [
                            "string",
                            "null"
                          ]
                        }
                      },
                      "required": [
                        "changed",
                        "previous_hash",
                        "new_hash",
                        "changed_fields",
                        "current_head_sha",
                        "default_branch",
                        "archived"
                      ],
                      "type": "object"
                    },
                    "meta": {
                      "additionalProperties": false,
                      "description": "Public meta value used to scope this lookup.",
                      "properties": {
                        "cache": {
                          "description": "Public cache value used to scope this lookup.",
                          "enum": [
                            "hit",
                            "miss",
                            "bypass"
                          ]
                        },
                        "checked_at": {
                          "description": "Public checked at value used to scope this lookup.",
                          "type": "string"
                        },
                        "duration_ms": {
                          "description": "Public duration ms value used to scope this lookup.",
                          "minimum": 0,
                          "type": "integer"
                        },
                        "provider": {
                          "description": "Public provider value used to scope this lookup.",
                          "type": [
                            "string",
                            "null"
                          ]
                        }
                      },
                      "required": [
                        "provider",
                        "checked_at",
                        "cache",
                        "duration_ms"
                      ],
                      "type": "object"
                    },
                    "ok": {
                      "const": true,
                      "description": "Public ok value used to scope this lookup."
                    },
                    "version": {
                      "const": "1",
                      "description": "Package version whose public metadata should be checked."
                    }
                  },
                  "required": [
                    "ok",
                    "capability",
                    "version",
                    "data",
                    "meta"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-26T00:53:44.917Z",
    "quality": {
      "l30DaysTotalCalls": 4,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-26T00:53:44.742Z"
    },
    "resource": "https://http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run/repo/changed",
    "serviceName": "Forest Infra",
    "tags": [
      "repo"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Cheaply detect material public repository state changes with a deterministic hash of existence, branch and archive state. Timestamps and unrelated metadata do not trigger a change. Base mainnet USDC"
}

What the leaf hashes

{"body":"83cdd892c7e69efc8d91a6efc3f2b741d01812f1048c07a86df8574c4aa13d05","id":19922,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793025332232089,"prev":null,"subject":"x402_bazaar:https://http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run/repo/changed","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).

  1. 0x4dd3573d51e3a1bbfef48fdc66d7f29873556df4986bcb3b419f200d65af7cce
  2. 0x5656e6a065fec077df84c008d01fceb773f2351702e41c816fb21522c0fbfec9
  3. 0xc0814d1fa3c9814a57c412efa50b01062863d00c5ccf75437853bd67e573219a
  4. 0xab56b9680f46e6fea4a7118f50a47214427333dabb12cc3a51c255a696b15a89
  5. 0x353ba48d71d19a044802ce7e8bd4d6ca2340ab2aed78dc6d1f3b4197002d8bef
  6. 0xd5c61228ec183d594ef38e6737cbb83bc66a9b6772af28e1897ff080f3745972
  7. 0x46d7ea33ea86f15a60a27a61b7290421e65d75eed058ba28aa9bded99e13188a
  8. 0x817f6a34cbf96de84060d42bbca8a37ff2545b0df526ab009614f406d6521569
  9. 0x47e1085eff265bf59c5996b9433eebc55384a0ecef0126dc9d481b0185d7070f
  10. 0x21b97c50c46414357c82955c68256a70b237c590652626363246493a52ce6b1d
  11. 0xaa143d27804a7949a2b1598e5b8ab52f09ca62ad72136c2be3d24cdecb5d5be0
  12. 0x9c16024747eaca32d09963ccb001059f75dcd9bb8dfc221e5234d54d2b3388d9
  13. 0x1ffd24a0422348bb2305058cc138e276511e1c074bf8139af5b773941f0e5de2
  14. 0x88e326a39b26e2c125306c9d3805d14398ace088bba9a2a0aa376b811cfb201a
  15. 0x2be1e80e065dd6b2cc75a7142be22225acd144ac975d70bf24b4f01fd76dc497
  16. 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
  17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
  18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON