← The evidence ledger
Evidence row 120776
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://saylorinnovations.com/api/util/vat
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 048f34c7a23ca9f7abc2e9643bc78dfae2bec59ceb94185e7e4e9480634ab9e0
- Leaf
- 0x29289a88d7173c9ea4be6014871996bc168adb585052cf05c498b6283b2eada8
What was observed
{
"endpoints": [
[
"x402",
"https://saylorinnovations.com/api/util/vat"
]
],
"name": "Saylor Innovations Real-World Ut",
"owner_address": "0xa2a8df0f7caabea4e120a2568118f141569fc8aa",
"raw": {
"accepts": [
{
"amount": "10000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"assetTransferMethod": "eip3009",
"facilitatorOnly": true,
"memo": "saylor:util:vat",
"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:util:vat",
"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:util:vat",
"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": "BENrLoUbndxoNMUS5JXApGMtNykLjFXXixMtpDwDR9SP",
"memo": "saylor:util:vat",
"reference": "ApnPw1F9MD9BxAvL2b5btcGNR4e98TbsqH45938fmqZg",
"session": "eyJhcnRpY2xlSWQiOiJ1dGlsOnZhdCIsInJlZmVyZW5jZSI6IkFwblB3MUY5TUQ5QnhBdkwyYjVidGNHTlI0ZTk4VGJzcUg0NTkzOGZtcVpnIiwicmVjaXBpZW50IjoiN0xTamZySmY4Zk5zQjhWQTl1N04zV0VuMjVzbVFMcG9iM1N2eVV2WGFjeTciLCJtaW50IjoiRVBqRldkZDVBdWZxU1NxZU0ycU4xeHp5YmFwQzhHNHdFR0drWnd5VER0MXYiLCJtaW5BbW91bnQiOjEwMDAwLCJleHAiOjE3OTI0NzgzMTA0Mjh9.C8peo5Xy2vebNS5F1gWWGvVuYGuK_nYZulx-5h34JE4"
},
"maxTimeoutSeconds": 120,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
"scheme": "exact"
},
{
"amount": "10000",
"asset": "Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB",
"extra": {
"feePayer": "BENrLoUbndxoNMUS5JXApGMtNykLjFXXixMtpDwDR9SP",
"memo": "saylor:util:vat",
"reference": "H4xaNx5LdF7JHYTQVDSm2tt45q63FfJb5qp7pRCVD6zE",
"session": "eyJhcnRpY2xlSWQiOiJ1dGlsOnZhdCIsInJlZmVyZW5jZSI6Ikg0eGFOeDVMZEY3SkhZVFFWRFNtMnR0NDVxNjNGZkpiNXFwN3BSQ1ZENnpFIiwicmVjaXBpZW50IjoiN0xTamZySmY4Zk5zQjhWQTl1N04zV0VuMjVzbVFMcG9iM1N2eVV2WGFjeTciLCJtaW50IjoiRXM5dk1GcnphQ0VSbUpmckY0SDJGWUQ0S0NvTmtZMTFNY0NlOEJlbndOWUIiLCJtaW5BbW91bnQiOjEwMDAwLCJleHAiOjE3OTI0NzgzMTA0Mjl9.wq-81-Hp3Rt2FlRo3Z5cpUZiEvN-25tLtSnYevMwBuY"
},
"maxTimeoutSeconds": 120,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
"scheme": "exact"
},
{
"amount": "92742",
"asset": "So11111111111111111111111111111111111111112",
"extra": {
"memo": "saylor:util:vat",
"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": "95611",
"reference": "ESMEr7ENgknQEUovEd4ASMsHTZtyn7vLXksBA8kK9sgZ",
"session": "eyJhcnRpY2xlSWQiOiJ1dGlsOnZhdCIsInJlZmVyZW5jZSI6IkVTTUVyN0VOZ2tuUUVVb3ZFZDRBU01zSFRadHluN3ZMWGtzQkE4a0s5c2daIiwicmVjaXBpZW50IjoiN0xTamZySmY4Zk5zQjhWQTl1N04zV0VuMjVzbVFMcG9iM1N2eVV2WGFjeTciLCJtaW50IjpudWxsLCJtaW5BbW91bnQiOjkyNzQyLCJleHAiOjE3OTI0NzgzMTA0Mjl9.LnPqbZyUsNfrbZ7eF7z-QUOW_zmyr1D95bCPGPbFcMs",
"solUsdPrice": 104.59
},
"maxTimeoutSeconds": 120,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
"scheme": "exact"
}
],
"description": "EU VAT number validation via VIES - valid or not, business name and address",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"number": "IE6388047V"
},
"type": "http"
},
"output": {
"example": {
"address": "3RD FLOOR, GORDON HOUSE, BARROW STREET, DUBLIN 4",
"checked_at": "2026-09-24T19:53:15.309Z",
"country_code": "IE",
"name": "GOOGLE IRELAND LIMITED",
"source": "EU VIES (European Commission)",
"valid": true,
"vat_number": "IE6388047V"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"number": {
"description": "VAT number with country prefix, e.g. IE6388047V (query)",
"type": "string"
}
},
"required": [
"number"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"address": {
"description": "Account or contract address",
"type": [
"string",
"null"
]
},
"checked_at": {
"description": "Time the check was run (UTC)",
"type": [
"string",
"null"
]
},
"country_code": {
"description": "ISO country code",
"type": [
"string",
"null"
]
},
"name": {
"description": "Name",
"type": [
"string",
"null"
]
},
"note": {
"description": "Caveat or context for reading the result",
"type": [
"string",
"null"
]
},
"source": {
"description": "Data source the values come from",
"type": [
"string",
"null"
]
},
"valid": {
"description": "True when the input passed validation",
"type": "boolean"
},
"vat_number": {
"description": "Vat number",
"type": "string"
}
},
"required": [
"vat_number",
"valid"
],
"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/v1790235422/bazaar-icons/bc5e2b3d111ebbef.jpg",
"lastUpdated": "2026-10-20T06:36:30.478Z",
"quality": {
"l30DaysTotalCalls": 3,
"l30DaysUniquePayers": 3,
"lastCalledAt": "2026-10-20T06:36:30.21Z"
},
"resource": "https://saylorinnovations.com/api/util/vat",
"serviceName": "Saylor Innovations Real-World Ut",
"tags": [
"utility",
"vat",
"real-world data",
"util"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "EU VAT number validation via VIES - valid or not, business name and address"
}What the leaf hashes
{"body":"048f34c7a23ca9f7abc2e9643bc78dfae2bec59ceb94185e7e4e9480634ab9e0","id":120776,"kind":"listing","method":"baseline/1","observed_us":1793025618773899,"prev":null,"subject":"x402_bazaar:https://saylorinnovations.com/api/util/vat","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).
- 0x29281902140fa28c65fa24527404e8d6b024a404fcbd51870fa3943a479b4fb6
- 0x936fbc88e70050028855eb239440622cf6486905815c652cd7607f410f4b3be3
- 0x43f720306ca5731043fe46bc34255675f298f7b749ec6d76824f54135229a6c6
- 0x30075da692b405365c64e81d58e6cb625bce1192192bbc4a3f2d58fbf4862c94
- 0x6ac4597831cd024bcbc83d88f73317de4c019746edf2a1f63a68e87667848deb
- 0x78cc8627bea0f8ea7da548fc78902180ba9185548ecde494d4fb21f427539c27
- 0x766986116f080ea2207aa4e69c4529c474be2dd72f2089714f46c1d98be5615c
- 0x37e50f5a5df775e1b715f361f7e3192b1ce563e9ac3854ea277572a85901e62e
- 0xd063e448ebafb059e39a979ee95d340c26135ba57eb09da8f9869d87e9dc4153
- 0x1a9dd2d6c9bfb929760c53b8e10be270bca312fc14f5154114295b3087b11726
- 0x525ed12bc40d74342377fb46a14f281838d153c85147520116f4d7fa219aff5e
- 0xeab0020f03650c1a79ed79927ae9d808c59a41295a86d1285582516590c954e6
- 0x16a8fb19a5e4f4535e7cb3fce5c15ecfa188586bb74e347ee71164f8af27dfe1
- 0xd843afcced75dedd39194ff9bd12326b88099e6112686db2299392d022dc3146
- 0xc3a6a3ae44ec0da1848b16d40c45d7aac97a67352eea8df18e0f26edabea8a2f
- 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
- 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae