← The evidence ledger
Evidence row 65796
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://api.coregroupimmo.com/v1/csv/analyze
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 82ef75e7c9b49daa3d38ad1dee863e00841a4becbc47f84b0167ed29b0cc34ad
- Leaf
- 0xd58b80bca0ac46186eb748f4a360561139537419505e031febc53b13975d1c33
What was observed
{
"endpoints": [
[
"x402",
"https://api.coregroupimmo.com/v1/csv/analyze"
]
],
"name": "CORE CSV Analyzer",
"owner_address": "0x3fdb182298535503354647a6c8d48a1a410e36d5",
"raw": {
"accepts": [
{
"amount": "3000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 120,
"network": "eip155:8453",
"payTo": "0x3fdB182298535503354647A6C8d48A1A410E36D5",
"scheme": "exact"
}
],
"description": "Use this service before importing CSV to check data quality: missing cells, duplicate rows, required columns and declared string, integer, number, boolean or date types. Provide raw CSV with unique headers; comma, semicolon and tab delimiters supported. Max 1 MiB UTF-8, 10000 data rows and 100 columns. No URL fetching. Invalid business data returns valid=false.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"requiredColumns": [
"name"
],
"text": "name,age\nAlice,30",
"types": {
"age": "integer"
}
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"result": {
"counts": {
"columns": 2,
"duplicateRows": 0,
"missingCells": 0,
"missingRequiredColumns": 0,
"rows": 1,
"typeErrors": 0
},
"errors": [],
"truncated": false,
"valid": true
},
"service": "core-csv-analyzer"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"additionalProperties": false,
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"delimiter": {
"enum": [
",",
";",
"\t"
],
"type": "string"
},
"requiredColumns": {
"items": {
"maxLength": 256,
"minLength": 1,
"type": "string"
},
"maxItems": 100,
"type": "array",
"uniqueItems": true
},
"text": {
"description": "Raw CSV, at most 1 MiB UTF-8, 10000 data rows, 100 columns; unique non-empty headers.",
"maxLength": 1048576,
"type": "string"
},
"types": {
"additionalProperties": {
"enum": [
"string",
"integer",
"number",
"boolean",
"date"
],
"type": "string"
},
"maxProperties": 100,
"propertyNames": {
"maxLength": 256,
"minLength": 1,
"not": {
"enum": [
"__proto__",
"constructor",
"prototype"
]
},
"type": "string"
},
"type": "object"
}
},
"required": [
"text"
],
"type": "object"
},
"bodyType": {
"const": "json",
"type": "string"
},
"method": {
"const": "POST",
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"additionalProperties": false,
"properties": {
"example": {
"additionalProperties": false,
"properties": {
"result": {
"additionalProperties": false,
"properties": {
"counts": {
"additionalProperties": {
"minimum": 0,
"type": "integer"
},
"type": "object"
},
"errors": {
"items": {
"additionalProperties": false,
"properties": {
"code": {
"type": "string"
},
"column": {
"minimum": 0,
"type": "integer"
},
"row": {
"minimum": 0,
"type": "integer"
}
},
"required": [
"code"
],
"type": "object"
},
"maxItems": 20,
"type": "array"
},
"truncated": {
"type": "boolean"
},
"valid": {
"type": "boolean"
}
},
"required": [
"valid",
"counts",
"errors",
"truncated"
],
"type": "object"
},
"service": {
"const": "core-csv-analyzer",
"type": "string"
}
},
"required": [
"service",
"result"
],
"type": "object"
},
"type": {
"const": "json",
"type": "string"
}
},
"required": [
"type",
"example"
],
"type": "object"
}
},
"required": [
"input",
"output"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-21T21:17:55.246Z",
"quality": {
"l30DaysTotalCalls": 5,
"l30DaysUniquePayers": 4,
"lastCalledAt": "2026-10-21T21:17:54.597Z"
},
"resource": "https://api.coregroupimmo.com/v1/csv/analyze",
"serviceName": "CORE CSV Analyzer",
"tags": [
"csv",
"data-quality",
"validation"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Use this service before importing CSV to check data quality: missing cells, duplicate rows, required columns and declared string, integer, number, boolean or date types. Provide raw CSV with unique headers; comma, semicolon and tab delimiters supported. Max 1 MiB UTF-8, 10000 data rows and 100 columns. No URL fetching. Invalid business data returns valid=false."
}What the leaf hashes
{"body":"82ef75e7c9b49daa3d38ad1dee863e00841a4becbc47f84b0167ed29b0cc34ad","id":65796,"kind":"listing","method":"baseline/1","observed_us":1793025459210237,"prev":null,"subject":"x402_bazaar:https://api.coregroupimmo.com/v1/csv/analyze","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).
- 0xd58ae4e76e3924e11badc8f949b58a4b761de6b73bab85e025b50bb0bb2615e9
- 0x576e4700ec1e42462eb31a7d2da4a2d7874c909f2372c25c9254e8c61973a94e
- 0xa18e0b9e02019a290097b214c588f6018ea23c201ba303ef5fd5f322e74b8cd6
- 0x697d68bca5bc54cbcc5ccd525f9c130c00dc1bc98dc9e255d54950a9a570c88b
- 0x82e14bac24cb97c332ecc934b3bec45cab9f958f003b5149692ec6428bb57116
- 0xa1899fa2e661958fd06a8ca9ec160fa6eaeb56fcacb4481f6f1114882f6b445d
- 0x804af0588ce7cfa55de1093aa0dfb7bbe668311ec2f5563effeb442214a30f74
- 0xb3695bc3b676cb87d4b7c07b60c26a66b08aacd94b9d68f4846febea439cab55
- 0x71e2c8a680d0c2d2cb53187a2af7bed6d8cee96d18c9f1c0e5482746e4f65911
- 0xf376a4ca9cf607e0959809e8f8fd016d5a59f5592298fa4f357a56f97675ecf6
- 0xb662623cf3d981ba2c8b763c6eb8f856021264a195ee47844bfa430e2ef3597f
- 0x7026808261896a203198354548e5e8cabce4a06e89d077c172084841b47ae119
- 0x3199db04c2c73c3483386a86bf503eafde5af103465608156e2e5f42e72a6fbe
- 0x6b927d53caa5125cdba9255612d524976c691f8672796c3f0885ba2c5b3af1ad
- 0x6dc40f983a3840a0ad927a9ca17f4ff1e3b649a6c735e2a09b140db7c2caf13b
- 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
- 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae