← The evidence ledger
Evidence row 19936
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run/http/changed
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 0b93ec30cbd31ec29aff8294ff3a8e6b784ea9028fa05406a2ac29caa0a0a41c
- Leaf
- 0x62f0c9cfec85082c20c58f20e0aa43d3e71c6e3258e936a63c18e1f73b660e8c
What was observed
{
"endpoints": [
[
"x402",
"https://http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run/http/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": "Detect material public HTTP endpoint changes using bounded response metadata and deterministic hashing. ETag and Last-Modified are evidence; arbitrary body downloads are capped. Base mainnet USDC",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"previous_hash": "sha256:0000000000000000000000000000000000000000000000000000000000000000",
"url": "https://http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run/health"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"capability": "http.changed",
"data": {
"changed": false,
"changed_fields": [],
"content_type": "example",
"final_url": "example",
"new_hash": "example",
"previous_hash": "example",
"status": 1,
"validators": {}
},
"meta": {
"cache": "miss",
"checked_at": "2026-01-01T00:00:00.000Z",
"duration_ms": 0,
"provider": "http-probe"
},
"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"
},
"url": {
"description": "Public HTTP(S) URL to inspect, resolve, or compare.",
"maxLength": 2048,
"pattern": "^https?://",
"type": "string"
}
},
"required": [
"url"
],
"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": "http.changed",
"description": "Public capability value used to scope this lookup."
},
"data": {
"additionalProperties": false,
"description": "Public data value used to scope this lookup.",
"properties": {
"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"
},
"content_type": {
"description": "Public content type value used to scope this lookup.",
"type": [
"string",
"null"
]
},
"final_url": {
"description": "Public final url 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"
]
},
"status": {
"description": "Public status value used to scope this lookup.",
"type": "integer"
},
"validators": {
"additionalProperties": true,
"description": "Public validators value used to scope this lookup.",
"type": "object"
}
},
"required": [
"changed",
"previous_hash",
"new_hash",
"changed_fields",
"status",
"final_url",
"content_type",
"validators"
],
"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": "2026-10-26T00:44:44.904Z",
"quality": {
"l30DaysTotalCalls": 14,
"l30DaysUniquePayers": 7,
"lastCalledAt": "2026-10-26T00:44:44.363Z"
},
"resource": "https://http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run/http/changed",
"serviceName": "Forest Infra",
"tags": [
"http"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Detect material public HTTP endpoint changes using bounded response metadata and deterministic hashing. ETag and Last-Modified are evidence; arbitrary body downloads are capped. Base mainnet USDC"
}What the leaf hashes
{"body":"0b93ec30cbd31ec29aff8294ff3a8e6b784ea9028fa05406a2ac29caa0a0a41c","id":19936,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793025332251783,"prev":null,"subject":"x402_bazaar:https://http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run/http/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).
- 0x62f06b32af82cd8213db871ef426666feeee6d7bea2406577893333dfc9cbb61
- 0x099177ffbbbe015e335cb44c8c8bf0d549ea7bcfc96a1489540ed9ee964dfb40
- 0xccce213690125adc526583e8260fb5b5b8d2680f35d5ee6d25a52614317a0b16
- 0x5c564ae0f687bbbb7472cddbcaea16a1ce6e06edce24f2600857e2017ad63022
- 0x8d19c089edaa6d2d2a92147579a84b9dd2c4b7530c343f7a9494466ea7dd895c
- 0x39926c7c19687ca5db8ee31715cc25d68f798c6c01bcadc1c5c05983eeaefc46
- 0x6b1ec2b0885d87336b2d02746e9a14ad3f82efd97db3b2701d78e9d3dcef31c0
- 0x747ab0fc6ec69cba88f979693a01211adbc4ad3d311fc4d3ab836bf8da92ac7e
- 0x53a297b626cbd96ae90f146e805b8fc43c8e0ff55ad262403f494c9cabd72871
- 0xb184ee2974258f113625a96655b34d89a19737485675dd6584b8ff67217463c8
- 0x131755a2ea202f5e6a5e7b2b4223cbbcd0bee9398f637648162d1129112491ce
- 0x7285c0b02d1aedd949b8ba0c7b2499f7121588ebdd4c96ef8725919bb84dd534
- 0x89fcaf55e37dd777228f271b79ea895534a66ec0d184363c2a6eb1b4d23c9ef1
- 0x216cebb9ae5414599109a02297c4817d7d1c6b1394afeb97efe38e32f0053974
- 0x7726154b91b2ad65b13849ef6cb6443b1f0ff113a3089c9bd5f2bcfc16be099d
- 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
- 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae