← The evidence ledger
Evidence row 277490
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://api.onesource.io/api/chain/total-supply
- Recorded
- Previous row
- #261120
- Body SHA-256
- 3e56100273f5aff290b4584ba74a24adea76cb6136f7867c0354269da3030a60
- Leaf
- 0x876c8ab968065d3d3d4a970648d621fa878d6e8816174c67df9187778f239982
What was observed
{
"endpoints": [
[
"x402",
"https://api.onesource.io/api/chain/total-supply"
]
],
"name": "api.onesource.io/api/chain/total-supply",
"owner_address": "0x52e29e0d2aa49bfbfc548c0a9f2196f4aa51f3ea",
"raw": {
"accepts": [
{
"amount": "3000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"currency": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"credentialTypes": [
"authorization"
],
"name": "USD Coin",
"version": "2"
},
"maxAmountRequired": "3000",
"maxTimeoutSeconds": 3600,
"network": "eip155:8453",
"payTo": "0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea",
"recipient": "0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea",
"scheme": "exact"
},
{
"amount": "3000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"currency": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"receiverAuthorizer": "0x11dF9F6280632aB8F12926b3f569E493EaEcf81b",
"version": "2",
"withdrawDelay": 86400
},
"maxAmountRequired": "3000",
"maxTimeoutSeconds": 3600,
"network": "eip155:8453",
"payTo": "0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea",
"recipient": "0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea",
"scheme": "batch-settlement"
}
],
"description": "Total supply of an ERC20 or ERC721 token contract via totalSupply (eth_call)",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"contract": "0xdac17f958d2ee523a2206206994597c13d831ec7",
"network": "ethereum"
},
"type": "http"
},
"output": {
"example": {
"data": {
"contract_address": "0xdac17f958d2ee523a2206206994597c13d831ec7",
"decimals": 6,
"is_erc721": false,
"name": "Tether USD",
"symbol": "USDT",
"total_supply": "39283948340000000"
},
"meta": {
"cost_usdc": "0.001",
"endpoint": "/api/chain/total-supply",
"payment_chain": "base",
"payment_token": "USDC",
"request_id": "00000000abcdef01"
}
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET",
"HEAD",
"DELETE"
],
"type": "string"
},
"queryParams": {
"properties": {
"contract": {
"pattern": "^0x[a-fA-F0-9]{40}$",
"type": "string"
},
"network": {
"default": "ethereum",
"enum": [
"ethereum",
"sepolia",
"robinhood"
],
"type": "string"
}
},
"required": [
"contract"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"data": {
"description": "Endpoint-specific response payload",
"properties": {
"contract_address": {
"type": "string"
},
"decimals": {
"type": "integer"
},
"is_erc721": {
"type": "boolean"
},
"name": {
"type": "string"
},
"symbol": {
"type": "string"
},
"total_supply": {
"type": "string"
}
},
"type": "object"
},
"error": {
"properties": {
"code": {
"type": "integer"
},
"message": {
"type": "string"
}
},
"type": [
"object",
"null"
]
},
"meta": {
"properties": {
"cost_usdc": {
"type": "string"
},
"endpoint": {
"type": "string"
},
"payment_chain": {
"type": "string"
},
"payment_token": {
"type": "string"
},
"request_id": {
"type": "string"
}
},
"required": [
"endpoint",
"request_id"
],
"type": "object"
}
},
"required": [
"data",
"meta"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-26T19:06:02.8Z",
"quality": {
"l30DaysTotalCalls": 267,
"l30DaysUniquePayers": 267,
"lastCalledAt": "2026-10-26T16:00:22.678Z"
},
"resource": "https://api.onesource.io/api/chain/total-supply",
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Total supply of an ERC20 or ERC721 token contract via totalSupply (eth_call)"
}What the leaf hashes
{"body":"3e56100273f5aff290b4584ba74a24adea76cb6136f7867c0354269da3030a60","id":277490,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793042038021238,"prev":261120,"subject":"x402_bazaar:https://api.onesource.io/api/chain/total-supply","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).
- 0x876c866aa84edc73714a5b8571eb66d4c32d9ad79830c8f7d8e1e84f6a6b9146
- 0xc7776c9a836700ef103ba300721d790db07d1d44de1fff3f61b770080e21a3a5
- 0xc7f71df23113c7022c3cb9b62fa7ef51ac42d6bd27957364f665359331d87b8f
- 0xdba804c6618cac475abb3bc58bf694d2c6ea428a382efaf1e631ebb4f9f69297
- 0xe6e18a0e7957a682cb4d66bd460cc626b63fc251d747cce40bf5a98227940687
- 0x48ddc84a87e91b61b6fc15c27a09c341967f0ba36f0aee93e68a9d07daee8c67
- 0xbb02f4f741141a97ba0c55b002b3b7b52e738100b86c34616022854b51a38900
- 0xec5e8d8107df73a55b5645397c05edbd1f63c299281c6362a3438a21d64fc937
- 0xf711b9b9e4c3b8926dcd8da66413d329b6436fc26d19d8021ba003e1303e5918
- 0xe0e4a60716d95ec12c35a9b9e1bff1012120a026fa97f38064a594590f5c029f
- 0xab0c5c1fde083e427b8955a771d679773808751fc069bed2944e88e84fcb655e
- 0x099dd43573993f2a1bea674129b7ed050429a0ac76c3bfda8aaf82a3af126469
- 0x49d11be052a4c069b10250aaba214f566b3f2e5aaa7a98e82ccc6a71c0e801a0
- 0x78ac2b34737774659a6a411f4d10b8ba570d40699d9f277321c3a32ff03d1dc9
- 0x7eb603d37f0f22dae1ea013e391889906ffc0139ff26e25b044bee38eec8f9b2
- 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
- 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae