← The evidence ledger
Evidence row 117267
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://mpp.tracefast.xyz/api/v1/chains/1/entities/:address/relations/:attribute_id/:object/proof
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 0f1f2403717f8a6629b43b6eb5edf835dfb15f45601e33fd6c273818acd84428
- Leaf
- 0x6c6cdb1d16375fdf869c17d2f842d61e982e1d7046d19e5df57caacc985d95ad
What was observed
{
"endpoints": [
[
"x402",
"https://mpp.tracefast.xyz/api/v1/chains/1/entities/:address/relations/:attribute_id/:object/proof"
]
],
"name": "TraceFast",
"owner_address": "0x2a65491e93ad0d484b74405401a38e2e0e5edd7e",
"raw": {
"accepts": [
{
"amount": "50000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"assetTransferMethod": "eip3009",
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x2A65491E93Ad0d484b74405401A38e2E0E5EDd7e",
"scheme": "exact"
}
],
"description": "TraceFast knowledge graph: the evidence behind one proven relation between two addresses — the facts checked with their expected and observed values, the conditions that had to be false, the sources read, and the block the evaluation was pinned to. Path: address, attribute_id, object. Docs: https://docs.tracefast.xyz/api/address-relation-proof.md",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"pathParams": {
"address": "0x7a250d5630b4cf539739df2c5dacb4c659f2488d",
"attribute_id": "relation%3Acontract_created_by",
"object": "0x9c33eacc2f50e39940d3afaf2c7b8246b681a374"
},
"queryParams": {},
"type": "http"
},
"output": {
"example": {
"data": {
"attributeId": "relation:contract_created_by",
"bindingVersions": {
"ev:2614ee7c7c48": "ev:d3ca8932be98"
},
"chainId": 1,
"definitionVersion": "1.0.0",
"dependencyProofRefs": [],
"evaluatedAt": 1787500189,
"evaluatorVersion": "1.0.0",
"factResults": [
{
"fact_id": "successful_create_lineage",
"observed": true,
"operator": "exists",
"threshold": 1
}
],
"failureReasonCodes": [],
"graphRevision": "4855f85e632b317a25acd1aa04d7b88242f55acf",
"negativeControlResults": [
{
"control_id": "deployer_not_self",
"evaluation": "must_be_false",
"observed": false
}
],
"object": "0x9c33eacc2f50e39940d3afaf2c7b8246b681a374",
"proofHash": "sha256:d7ee40dcb4b72022dd990f640d80daa6fff749dd95d71c8e5b529e5f4c440fcb",
"referenceBlock": 10207858,
"referenceBlockHash": "0xe190f8921da7de355ef7100afbe705bce871ea3c082610b2632fa094d158f656",
"result": "pass",
"selectedFamilyId": "create_lineage",
"snapshotId": "eth-mainnet@10207858",
"sourceEvidenceRefs": [
{
"sourceId": "ev:5d078addaca0"
}
],
"subject": "0x7a250d5630b4cf539739df2c5dacb4c659f2488d"
}
},
"type": "json"
}
},
"routeTemplate": "/api/v1/chains/1/entities/:address/relations/:attribute_id/:object/proof",
"schema": {
"properties": {
"input": {
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"pathParams": {
"type": "object"
}
},
"required": [
"method"
]
}
}
}
}
},
"lastUpdated": "2026-10-01T12:39:14.366Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-01T12:39:14.26Z"
},
"resource": "https://mpp.tracefast.xyz/api/v1/chains/1/entities/:address/relations/:attribute_id/:object/proof",
"serviceName": "TraceFast",
"tags": [
"blockchain",
"ethereum",
"address-intelligence",
"labels",
"entities"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "TraceFast knowledge graph: the evidence behind one proven relation between two addresses — the facts checked with their expected and observed values, the conditions that had to be false, the sources read, and the block the evaluation was pinned to. Path: address, attribute_id, object. Docs: https://docs.tracefast.xyz/api/address-relation-proof.md"
}What the leaf hashes
{"body":"0f1f2403717f8a6629b43b6eb5edf835dfb15f45601e33fd6c273818acd84428","id":117267,"kind":"listing","method":"baseline/1","observed_us":1793025610940213,"prev":null,"subject":"x402_bazaar:https://mpp.tracefast.xyz/api/v1/chains/1/entities/:address/relations/:attribute_id/:object/proof","subject_kind":"source_record"}Proof
Its day has not closed yet. A day closes ten minutes after midnight UTC; the proof appears here then.