← The evidence ledger
Evidence row 14096
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://klima.halowerk.com/v1/cbam-factor
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- a3c9c372c9cf76851ee1df76ce2ed3f6cef37d8e4bba356fcab208602a690748
- Leaf
- 0x107b3f3d61e2eed6d8e8c4a58c8d87d24c20b53b262b32510ca8c2ff0467c4ff
What was observed
{
"endpoints": [
[
"x402",
"https://klima.halowerk.com/v1/cbam-factor"
]
],
"name": "klima.halowerk.com/v1/cbam-factor",
"owner_address": "0x2880edfff13100677bf97a3cbdf3bc34771c4e5e",
"raw": {
"accepts": [
{
"amount": "4000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"currency": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"asset": "USDC",
"assetTransferMethod": "eip3009",
"eip712Domain": {
"chainId": 8453,
"name": "USD Coin",
"verifyingContract": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"version": "2"
},
"name": "USD Coin",
"network_name": "Base Mainnet",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E",
"recipient": "0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E",
"scheme": "exact"
}
],
"description": "Selects and applies a supplied published CBAM default factor for a goods group. Missing facts are returned as null and named in unavailable_fields where applicable. Derived values disclose their method; source-backed values disclose source, time window and age. This is neither legal advice nor customs advice.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"factors": [
{
"factor_tco2e_per_unit": 1,
"goods_group": "example",
"unit": "tonne product"
}
],
"goods_group": "example",
"quantity": 10,
"source": {
"published_at": "2026-09-01T00:00:00Z",
"title": "EU CBAM",
"url": "https://taxation-customs.ec.europa.eu/carbon-border-adjustment-mechanism_en"
}
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"data_age_ms": 4491466818,
"estimate": false,
"factor": {
"factor_tco2e_per_unit": 1,
"goods_group": "example",
"unit": "tonne product"
},
"method": "Selects and applies a supplied published CBAM default factor for a goods group.",
"source": {
"published_at": "2026-09-01T00:00:00Z",
"title": "EU CBAM",
"url": "https://taxation-customs.ec.europa.eu/carbon-border-adjustment-mechanism_en"
},
"tco2e": 10,
"time_window": "2026-09-01T00:00:00Z",
"unavailable_fields": []
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"factors": {
"items": {
"additionalProperties": false,
"properties": {
"factor_tco2e_per_unit": {
"description": "",
"maximum": 1000000000000,
"minimum": 0,
"type": "number"
},
"goods_group": {
"description": "",
"maxLength": 512,
"minLength": 1,
"type": "string"
},
"unit": {
"description": "",
"maxLength": 512,
"minLength": 1,
"type": "string"
}
},
"required": [
"goods_group",
"factor_tco2e_per_unit",
"unit"
],
"type": "object"
},
"maxItems": 1000,
"type": "array"
},
"goods_group": {
"description": "",
"maxLength": 512,
"minLength": 1,
"type": "string"
},
"quantity": {
"description": "",
"maximum": 1000000000000,
"minimum": 0,
"type": "number"
},
"source": {
"additionalProperties": false,
"properties": {
"published_at": {
"format": "date-time",
"type": "string"
},
"title": {
"description": "",
"maxLength": 300,
"minLength": 3,
"type": "string"
},
"url": {
"format": "uri",
"type": "string"
}
},
"required": [
"url",
"published_at",
"title"
],
"type": "object"
}
},
"required": [
"goods_group",
"quantity",
"factors",
"source"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST",
"PUT",
"PATCH"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-26T12:01:25.158Z",
"quality": {
"l30DaysTotalCalls": 5,
"l30DaysUniquePayers": 5,
"lastCalledAt": "2026-10-26T12:01:24.743Z"
},
"resource": "https://klima.halowerk.com/v1/cbam-factor",
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Selects and applies a supplied published CBAM default factor for a goods group. Missing facts are returned as null and named in unavailable_fields where applicable. Derived values disclose their method; source-backed values disclose source, time window and age. This is neither legal advice nor customs advice."
}What the leaf hashes
{"body":"a3c9c372c9cf76851ee1df76ce2ed3f6cef37d8e4bba356fcab208602a690748","id":14096,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793025315440006,"prev":null,"subject":"x402_bazaar:https://klima.halowerk.com/v1/cbam-factor","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).
- 0x107ba53bb3297ce628b8913df763295ef61eb02b98d3bb23f593aac6dfb77319
- 0xb8f2e0ed6e1fff82bc19b3c6600f42348d60e2b14030dc941026bfe5a522ba11
- 0xe958e9b340ed75e61f2e0951dd4ddd393357b1561074c48ec1adef3973051b1b
- 0x581ca63a2a9f85f7f40df86a7d8bd6710da0a01f25892fb4d4ba1c0f8b073904
- 0x51f9a1d5ba58445ff61e9b31d3a1f6f15ed3b31a51fd17655112398255552149
- 0xd7da62da1c7c5c9e467df7f535f3b1d17255f78a0306c2ed01da04d133289d79
- 0xc700551076927bf2f3f9442a4f4179c266427a3a6b5d123309fbcfa983c9a653
- 0xc9685f4fd395267631de22508b369c78928fc2a75baf01a4802703770433a14d
- 0xc78969e1448b4e00b22c1b3dc7e51f8123c9e7092baaaedc96ecfaebe34d69e7
- 0x966bf10795d50c9f81eb3c272b7279beecfe723480c50bbb3c87bcd23b5cd5b5
- 0x27ff2940d5376ec3cc70015c126b688bae838938b2846686279ceb190eb69456
- 0xc02d9eff6ef94d46d90d54320548f18fc3f05787047265548577569253c19969
- 0x294f7935f78a896b5f246a7c9a7ee1b023720acdb03fff3cd549c63479848ec9
- 0xb49e8c2564256e5322e375cb619d9ac70fd17c1d1eba9c991bba4cb6428f45cc
- 0x60582ab4b41e72eb70eb0bce07fbf0fb4d2b62a8bad5be50f5d16d511adc746c
- 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
- 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae