← The evidence ledger
Evidence row 119825
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://saylorinnovations.com/api/explorer/call
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- ced6bdbea4fe46fc66c0bc212e2897d11f8b0de53965bfada39b5ba720c4c96b
- Leaf
- 0x86220e96304a19bb587785acf249938062fd393819448e4011a9fe09fc9b5fa7
What was observed
{
"endpoints": [
[
"x402",
"https://saylorinnovations.com/api/explorer/call"
]
],
"name": "Saylor Innovations Data Desk",
"owner_address": "0xa2a8df0f7caabea4e120a2568118f141569fc8aa",
"raw": {
"accepts": [
{
"amount": "10000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"assetTransferMethod": "eip3009",
"facilitatorOnly": true,
"memo": "saylor:datadesk:explorer-call",
"name": "USD Coin",
"note": "Base settles through an x402 facilitator. Send payload.signature and payload.authorization (EIP-3009); there is no self-submitted path on this network.",
"version": "2"
},
"maxTimeoutSeconds": 120,
"network": "eip155:8453",
"payTo": "0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa",
"scheme": "exact"
},
{
"amount": "10000",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"assetTransferMethod": "eip3009",
"facilitatorOnly": true,
"memo": "saylor:datadesk:explorer-call",
"name": "USD Coin",
"note": "Polygon settles through an x402 facilitator. Send payload.signature and payload.authorization (EIP-3009); there is no self-submitted path on this network.",
"version": "2"
},
"maxTimeoutSeconds": 120,
"network": "eip155:137",
"payTo": "0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa",
"scheme": "exact"
},
{
"amount": "10000",
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"extra": {
"assetTransferMethod": "eip3009",
"facilitatorOnly": true,
"memo": "saylor:datadesk:explorer-call",
"name": "USD Coin",
"note": "Arbitrum settles through an x402 facilitator. Send payload.signature and payload.authorization (EIP-3009); there is no self-submitted path on this network.",
"version": "2"
},
"maxTimeoutSeconds": 120,
"network": "eip155:42161",
"payTo": "0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa",
"scheme": "exact"
},
{
"amount": "10000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
"memo": "saylor:datadesk:explorer-call",
"reference": "J6MPd1ycTqc71sLPGHBt2gJvrAAgaNXp7XwVngyom1HD",
"session": "eyJhcnRpY2xlSWQiOiJkYXRhZGVzazpleHBsb3Jlci1jYWxsIiwicmVmZXJlbmNlIjoiSjZNUGQxeWNUcWM3MXNMUEdIQnQyZ0p2ckFBZ2FOWHA3WHdWbmd5b20xSEQiLCJyZWNpcGllbnQiOiI3TFNqZnJKZjhmTnNCOFZBOXU3TjNXRW4yNXNtUUxwb2IzU3Z5VXZYYWN5NyIsIm1pbnQiOiJFUGpGV2RkNUF1ZnFTU3FlTTJxTjF4enliYXBDOEc0d0VHR2tad3lURHQxdiIsIm1pbkFtb3VudCI6MTAwMDAsImV4cCI6MTc5MjU1MzA3Nzk1OX0.MOxUldDe0ZCPPdFzpSesfWbNY7icYPi3Zf4hGWaaDsI"
},
"maxTimeoutSeconds": 120,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
"scheme": "exact"
},
{
"amount": "10000",
"asset": "Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB",
"extra": {
"feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
"memo": "saylor:datadesk:explorer-call",
"reference": "5TuDboxivDSZchgcRbMTKBYuRNfYFtiDQJfCiCDtm3h7",
"session": "eyJhcnRpY2xlSWQiOiJkYXRhZGVzazpleHBsb3Jlci1jYWxsIiwicmVmZXJlbmNlIjoiNVR1RGJveGl2RFNaY2hnY1JiTVRLQll1Uk5mWUZ0aURRSmZDaUNEdG0zaDciLCJyZWNpcGllbnQiOiI3TFNqZnJKZjhmTnNCOFZBOXU3TjNXRW4yNXNtUUxwb2IzU3Z5VXZYYWN5NyIsIm1pbnQiOiJFczl2TUZyemFDRVJtSmZyRjRIMkZZRDRLQ29Oa1kxMU1jQ2U4QmVud05ZQiIsIm1pbkFtb3VudCI6MTAwMDAsImV4cCI6MTc5MjU1MzA3Nzk1OX0.UiqQvdQU3ghdzHMmwnalCEyJm7ofY4V9dTZDk8bcg5w"
},
"maxTimeoutSeconds": 120,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
"scheme": "exact"
},
{
"amount": "91561",
"asset": "So11111111111111111111111111111111111111112",
"extra": {
"memo": "saylor:datadesk:explorer-call",
"native": true,
"note": "Native SOL: send lamports with a system transfer, not an SPL transfer. Price is quoted live and this quote expires in 120s.",
"quotedLamports": "94393",
"reference": "79FyZyDQy3nJFj6GvSvWQdU4BNcqpB5EiD71C9XXLeLb",
"session": "eyJhcnRpY2xlSWQiOiJkYXRhZGVzazpleHBsb3Jlci1jYWxsIiwicmVmZXJlbmNlIjoiNzlGeVp5RFF5M25KRmo2R3ZTdldRZFU0Qk5jcXBCNUVpRDcxQzlYWExlTGIiLCJyZWNpcGllbnQiOiI3TFNqZnJKZjhmTnNCOFZBOXU3TjNXRW4yNXNtUUxwb2IzU3Z5VXZYYWN5NyIsIm1pbnQiOm51bGwsIm1pbkFtb3VudCI6OTE1NjEsImV4cCI6MTc5MjU1MzA3Nzk1OX0.qr341vQOM6KeCpg8dz_UHzFHhW6_Kizhd3Hhefh8kAI",
"solUsdPrice": 105.94
},
"maxTimeoutSeconds": 120,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
"scheme": "exact"
}
],
"description": "Call any EVM view function from its signature on 16 chains and get the decoded result, such as balanceOf(address) returns (uint256), with revert detection.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"args": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045",
"chain": "ethereum",
"function": "balanceOf(address) returns (uint256)",
"to": "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48"
},
"type": "http"
},
"output": {
"example": {
"block": "latest",
"calldata": "0x70a08231000000000000000000000000d8da6bf26964af9d7eed9e03e53415d37aa96045",
"chain": "ethereum",
"chain_id": 1,
"function": "balanceOf(address) returns (uint256)",
"note": "eth_call is read-only: nothing is sent, signed or changed. result is decoded only when the signature includes returns (...); otherwise read result_raw. uint results are strings to keep full precision.",
"result": "37192124",
"result_raw": "0x00000000000000000000000000000000000000000000000000000000023781bc",
"revert_message": null,
"reverted": false,
"source": "Chain JSON-RPC (ethereum)",
"to": "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"args": {
"description": "optional arguments as a JSON array or comma-separated list",
"type": "string"
},
"chain": {
"description": "chain name or id",
"type": "string"
},
"function": {
"description": "signature, optionally with returns, such as balanceOf(address) returns (uint256)",
"type": "string"
},
"to": {
"description": "the contract address",
"type": "string"
}
},
"required": [
"chain",
"to",
"function"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"block": {
"description": "Block number the data was read at",
"type": "string"
},
"calldata": {
"type": "string"
},
"chain": {
"description": "Blockchain the data is for",
"type": "string"
},
"chain_id": {
"description": "EVM chain id",
"type": "number"
},
"function": {
"description": "Description of the function",
"type": "string"
},
"note": {
"description": "Caveat or context for reading the result",
"type": "string"
},
"result": {
"description": "Result of the operation"
},
"result_raw": {
"description": "Result raw",
"type": [
"string",
"null"
]
},
"revert_message": {
"description": "Revert message",
"type": [
"string",
"null"
]
},
"reverted": {
"description": "True when the call reverts",
"type": "boolean"
},
"source": {
"description": "Data source the values come from",
"type": "string"
},
"to": {
"description": "End of the range",
"type": "string"
}
},
"required": [
"chain",
"chain_id",
"to",
"function",
"calldata",
"reverted",
"note",
"source"
],
"type": "object"
},
"type": {
"const": "json",
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1791811517/bazaar-icons/bc5e2b3d111ebbef.jpg",
"lastUpdated": "2026-10-21T03:22:38.009Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-10-21T03:22:37.749Z"
},
"resource": "https://saylorinnovations.com/api/explorer/call",
"serviceName": "Saylor Innovations Data Desk",
"tags": [
"contract read call",
"eth_call decoder",
"call view function",
"read smart contract",
"contract state query"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Call any EVM view function from its signature on 16 chains and get the decoded result, such as balanceOf(address) returns (uint256), with revert detection."
}What the leaf hashes
{"body":"ced6bdbea4fe46fc66c0bc212e2897d11f8b0de53965bfada39b5ba720c4c96b","id":119825,"kind":"listing","method":"baseline/1","observed_us":1793025616543918,"prev":null,"subject":"x402_bazaar:https://saylorinnovations.com/api/explorer/call","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).
- 0x8622124d3a7b139932c6bd809154a44aaf094da0964931d2250a244da588f5f2
- 0x377c419b16b1f22959784b26456ab4dace2c9fbf37cf705cdc30e8c580ab9472
- 0xfc755d116b8511591afb3c13f36da2abfd75984da47ff98efe5e201b77a18815
- 0x3580d403f213da760caff2d0394e17e688605894e573ae944a84d2d64352f522
- 0xafaa562b1443160e2e82ea89f7cf6fa974343cf2ae8109720d25c3550766ced9
- 0x4e7d8ca3282134bfca72d8bae36bbd4b58adf175863c39b599ab1d1de6fdcbad
- 0xb1d8603c87c404d362872cf2200ba1c1c8f6f56c411815d82f531b343e864246
- 0xaa644cdc7aae2538f9860d131147da59759cd9ff92cd8fb1a2d8177445e5633e
- 0xd5e7fe5e22d0f721add84c87198cf47b769770c1756b2a9721525c366e108dbc
- 0x0d847b9eb30e194e701d2d4f8af4f34ef43f6c033fe5e001b93f122bdbea7c80
- 0xd6d2fb435c815b0341c19086a636cc9a706a6129405e2030054a243942b686fe
- 0x146f43471a3bde6d8a04e87b6afd3ee6860c6e38a009f86aee705ce722b67748
- 0x91c2ae93ec20c7fed5088112fe3941ca622dfb3f8f1022c4844726c361244bd4
- 0x0eff463856b0992d53ab7d8c0b97c71541413358bdd445710c1e4b6aeb4d8f78
- 0x7eb603d37f0f22dae1ea013e391889906ffc0139ff26e25b044bee38eec8f9b2
- 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
- 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae