← The evidence ledger
Evidence row 3967519
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://api.firstmention.uk/s/api-change-check/compare
- Recorded
- Previous row
- #3770995
- Body SHA-256
- 0fee20164a3289fd797732cff3d95879046af82e98e776581ca4baea23218ce4
- Leaf
- 0xc2a9e2fe6695cf9265220dbf20dae55e6d98d6e1e285c0ef11b4d51a512a360f
What was observed
{
"endpoints": [
[
"x402",
"https://api.firstmention.uk/s/api-change-check/compare"
]
],
"name": "api-change-check",
"owner_address": "0xddbee715feb5232af1f2b0f07392aaa0c712e572",
"raw": {
"accepts": [
{
"amount": "10000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0xddbeE715fEB5232aF1f2B0f07392aAA0c712E572",
"scheme": "exact"
}
],
"description": "Surface-change report between two OpenAPI 3 specs: which paths/methods/parameters/response codes were added or removed. Informational only, not a full compatibility audit.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"after": {
"openapi": "3.0.0",
"paths": {
"/a": {
"get": {
"responses": {
"200": {}
}
},
"post": {
"responses": {
"201": {}
}
}
}
}
},
"before": {
"openapi": "3.0.0",
"paths": {
"/a": {
"get": {
"responses": {
"200": {}
}
}
}
}
}
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"added_paths": [
"/a POST"
],
"added_responses": [
"/a POST 201"
],
"limitations": [
"Surface checks only; not a complete compatibility or security audit."
],
"removed_paths": [],
"removed_responses": []
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"after": {
"properties": {
"openapi": {
"type": "string"
},
"paths": {
"properties": {
"/a": {
"properties": {
"get": {
"properties": {
"responses": {
"properties": {
"200": {
"properties": {},
"type": "object"
}
},
"type": "object"
}
},
"type": "object"
},
"post": {
"properties": {
"responses": {
"properties": {
"201": {
"properties": {},
"type": "object"
}
},
"type": "object"
}
},
"type": "object"
}
},
"type": "object"
}
},
"type": "object"
}
},
"type": "object"
},
"before": {
"properties": {
"openapi": {
"type": "string"
},
"paths": {
"properties": {
"/a": {
"properties": {
"get": {
"properties": {
"responses": {
"properties": {
"200": {
"properties": {},
"type": "object"
}
},
"type": "object"
}
},
"type": "object"
}
},
"type": "object"
}
},
"type": "object"
}
},
"type": "object"
}
},
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"headers": {
"additionalProperties": {
"type": "string"
},
"type": "object"
},
"method": {
"enum": [
"POST",
"PUT",
"PATCH"
],
"type": "string"
},
"queryParams": {
"additionalProperties": {
"type": "string"
},
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"added_paths": {
"items": {
"type": "string"
},
"type": "array"
},
"added_responses": {
"items": {
"type": "string"
},
"type": "array"
},
"limitations": {
"items": {
"type": "string"
},
"type": "array"
},
"removed_paths": {
"type": "array"
},
"removed_responses": {
"type": "array"
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-11-07T11:07:24.442Z",
"quality": {
"l30DaysTotalCalls": 3,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-11-07T11:07:23.998Z"
},
"resource": "https://api.firstmention.uk/s/api-change-check/compare",
"serviceName": "api-change-check",
"tags": [
"openapi",
"api",
"breaking-change",
"diff",
"developer"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Surface-change report between two OpenAPI 3 specs: which paths/methods/parameters/response codes were added or removed. Informational only, not a full compatibility audit."
}What the leaf hashes
{"body":"0fee20164a3289fd797732cff3d95879046af82e98e776581ca4baea23218ce4","id":3967519,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1794083411965471,"prev":3770995,"subject":"x402_bazaar:https://api.firstmention.uk/s/api-change-check/compare","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (195826 rows).
- 0xc2ab5542aa31a82eaf7d0e5b9c8abc0195aa164c66a0e6010f4ad39eff9d6ec1
- 0x7f2953bb67f609f70607ca1aeec4d25312bf896962c59b5d416131bd01b6c26e
- 0x29c5a6f67d5f9ab786b91c13c036d17d1ac33351e25bc1e46fc495c61a196635
- 0x973999e40827fe6142628464237565715d858098077af893452d66c0febaf826
- 0x216997ed645d80cc2dda7815e5705e7c8cd4acf9cd2999fbfcb321aff9733dab
- 0xfd16232b077b041260edc8707c0de5393951213d730ac44e1cc4cce88778d0f2
- 0x7f13785af3909f7616d7e397140942339dd4d149040516456f0acbc225815ac2
- 0x33c47c0415134333cff7635ee448e1f4eb3a1d8eb85290a4b7a22466f45f15b0
- 0x4338923b814cf2e0bdd4d83203fb4e7ab0ce4ec835d03eace707c80cb6c50d06
- 0x7a6ee29e82a5e1b7087f6a9b61bad6c858e4c99a74fb713c6bf104135b4b4b43
- 0x14c132fb5618aa0b54304744ba65931d87cd70cf2c9c16adaf58e84a7e5a1960
- 0x1df3f0f6a4629e2ef2efcd3b5d19c6944ea2fdb0ea0d7d744baa98e6efc753c4
- 0x6da57bac13a3d747bd5ab6e3bc301f77a33423bf49d8a86a45250fad500ff0ff
- 0x377e506e7caa62a458c54a51036fb3c308f8113f5f6e53d577ff2a07c84142c4
- 0x8d59bf422a3db88dd24fca3b92cb99d28bd5632a71eaf94e51b925600c735b27
- 0x3235c8a33ac14441f1a12a6515f670286d48b48fa98eb1dce45d902e053abe01
- 0x9ea7c2ecc6985da4b761b0f9096b7858b3ac8e3e47717c3840537fb2ff31c6df
- Day root
- 0x17da9e85e1b138541355d33543ff34e3503cd3a49d37728fb53643e2a0416a2d
- Chained
- 0xed34bd4af17282643de8cb9591c84d0aa1b39e1e9ae9864941e543f5a15718cb
- Published
- On Arc Testnet, block 71280839: 0xc3f6784179e0ca32236ba89472473e882a81d03fcc5ce27ca58ded2e01e112aa