Evidence row 3047473

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://vat.openverbs.com/v1/czechia"
    ],
    [
      "x402",
      "https://vat.openverbs.com/v1/finland"
    ],
    [
      "x402",
      "https://vat.openverbs.com/v1/france"
    ],
    [
      "x402",
      "https://vat.openverbs.com/v1/latvia"
    ],
    [
      "x402",
      "https://vat.openverbs.com/v1/norway"
    ],
    [
      "x402",
      "https://vat.openverbs.com/v1/poland"
    ]
  ],
  "name": "vat.openverbs.com",
  "owner_address": null,
  "raw": {
    "caip2_networks": [
      "eip155:8453"
    ],
    "category": "",
    "description": "",
    "domain": "vat.openverbs.com",
    "endpoints": [
      {
        "description": "Validate a Czech VAT (DIČ) number for a legal entity against the official register. Validity means the subject exists and is live in the VAT (DPH) register.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "CZ00177041",
            "group": "body",
            "name": "vatNumber",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.006",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "9",
          "l30DaysUniquePayers": "6"
        },
        "serviceName": "Validate Czech VAT number",
        "tags": [
          "czech vat validation",
          "czechia dic lookup",
          "validate czech ico",
          "ares company lookup",
          "czech vat api"
        ],
        "url": "https://vat.openverbs.com/v1/czechia"
      },
      {
        "description": "Validate a Finnish VAT (ALV) number against the official VAT register. Validity means the entity exists and holds a live registration.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "FI01120389",
            "group": "body",
            "name": "vatNumber",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.006",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "2",
          "l30DaysUniquePayers": "2"
        },
        "serviceName": "Validate Finnish VAT number",
        "tags": [
          "finnish vat validation",
          "finland alv lookup",
          "validate finnish business id",
          "ytj company lookup",
          "finland vat api"
        ],
        "url": "https://vat.openverbs.com/v1/finland"
      },
      {
        "description": "Validate a French VAT (TVA) number against the official company register. Validity means the SIREN exists and the company is administratively active.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "FR27552032534",
            "group": "body",
            "name": "vatNumber",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.006",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "2",
          "l30DaysUniquePayers": "2"
        },
        "serviceName": "Validate French VAT number",
        "tags": [
          "french vat validation",
          "france tva lookup",
          "validate french siren",
          "siren company lookup",
          "france vat api"
        ],
        "url": "https://vat.openverbs.com/v1/france"
      },
      {
        "description": "Validate a Latvian VAT (PVN) number against the official VAT-payers register. Validity means the number has a currently active entry in the register.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "LV40003245752",
            "group": "body",
            "name": "vatNumber",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.006",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "2",
          "l30DaysUniquePayers": "2"
        },
        "serviceName": "Validate Latvian VAT number",
        "tags": [
          "latvian vat validation",
          "latvia pvn lookup",
          "validate latvian vat",
          "vid vat register",
          "latvia vat api"
        ],
        "url": "https://vat.openverbs.com/v1/latvia"
      },
      {
        "description": "Validate a Norwegian VAT (MVA) number against the official business register. Validity means the entity exists and is entered in the VAT register.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "NO 923 609 016 MVA",
            "group": "body",
            "name": "vatNumber",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.006",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "2",
          "l30DaysUniquePayers": "2"
        },
        "serviceName": "Validate Norwegian VAT number",
        "tags": [
          "norwegian vat validation",
          "norway mva lookup",
          "validate norway org number",
          "bronnoysund vat check",
          "norwegian business register"
        ],
        "url": "https://vat.openverbs.com/v1/norway"
      },
      {
        "description": "Validate a Polish VAT (NIP) number against the official VAT register. Validity means the taxpayer's VAT status is active (Czynny).",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "PL5260250274",
            "group": "body",
            "name": "vatNumber",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.006",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "2",
          "l30DaysUniquePayers": "2"
        },
        "serviceName": "Validate Polish VAT number",
        "tags": [
          "polish vat validation",
          "poland nip lookup",
          "validate polish nip",
          "vat white list lookup",
          "poland vat api"
        ],
        "url": "https://vat.openverbs.com/v1/poland"
      }
    ],
    "enriched": false,
    "iconUrl": "",
    "id": "vat-openverbs-com",
    "integrationType": "",
    "isNew": false,
    "name": "vat.openverbs.com",
    "networks": [
      "Base"
    ],
    "priceSummary": {
      "avgCostBasis": "exact",
      "avgCostPerTransaction": "0.006",
      "currency": "USDC",
      "maxAmount": "0.006",
      "minAmount": "0.006"
    },
    "provider": "vat.openverbs.com",
    "providerUrl": "",
    "serviceName": "Validate",
    "tags": [
      "czech vat validation",
      "czechia dic lookup",
      "validate czech ico",
      "ares company lookup",
      "czech vat api",
      "finnish vat validation",
      "finland alv lookup",
      "validate finnish business id",
      "ytj company lookup",
      "finland vat api",
      "french vat validation",
      "france tva lookup",
      "validate french siren",
      "siren company lookup",
      "france vat api",
      "latvian vat validation",
      "latvia pvn lookup",
      "validate latvian vat",
      "vid vat register",
      "latvia vat api",
      "norwegian vat validation",
      "norway mva lookup",
      "validate norway org number",
      "bronnoysund vat check",
      "norwegian business register",
      "polish vat validation",
      "poland nip lookup",
      "validate polish nip",
      "vat white list lookup",
      "poland vat api"
    ]
  },
  "source": "agentic_market",
  "summary": ""
}

What the leaf hashes

{"body":"ca4e5966f074f7827aef3f16ef33eb6dd6a429f39719ca1a6c987ccaba4523a6","id":3047473,"kind":"listing","method":"sync.agentic_market/1","observed_us":1793816663802713,"prev":2189696,"subject":"agentic_market:vat-openverbs-com","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-04 (424109 rows).

1. 0xd07ea4d11dca9fbc1638432f273a82ae313958d549bae65a9296c40279164377
2. 0x8093216c0c1a9db26e081fc23ea869314821d2e170b04d393542d1af8a00c52d
3. 0xa37a3f8800fbb23ac2c95ea62b331ef2e932f05c37c7e010f9ad4068e799304e
4. 0x1e5be4e6e6dafa2013f56dabae93752ba84ce60595cf7a8dbb63de75b7389c61
5. 0x978d6b3ed62b5f28cd2ce97cfd5f865c6f6d025183aa4c3255458a7bba0608c2
6. 0xc67f4146ff0679fa77a4d3afed70b1bd50693e6483ece84da76b5c98a2355832
7. 0xb9d47618e4cf258215cbc6f3dd294790d7d8d0aa0588d2ab198c2309d8f64b3d
8. 0x61ded49b7244e7a194628c1019e5064fb9cb57300bd7985d7b5076ee02a3d055
9. 0xfbc050c430c6e6c8d3cdf2eec3098b5d7af577a4e2ade0f70fba4046b270473e
10. 0xa6afcbd018474d9ec73d7a2ae7708c7572a4871a7a8d6e1271029cb680400821
11. 0xbb41368ab3ae2a9faf8ea88b546c359784f1e34a8132293495ac317d8b4e49eb
12. 0xe842af4341842a6b3d092be5cac4710a2d2ba810f1c89f3700431054e2957c10
13. 0xaa14d1e7b0e17af1a2dd41df81131443e765fcc3e1b8e3227fc0ad1c80c4671c
14. 0x03ea806e63a95e128d81599dc6b08c8f2b05b08552c9e838b2c22d401a8c3dbe
15. 0x967a13436a6fe02491b940f63f3275048d17df8ea0d3831beb3e7ebf52a46e50
16. 0x1ea547989ac488dff8da9e79b0ab4cffe98cb60fb4c76ae15e4a1f53a247e0be
17. 0x7efb735f8d49bcac59a20b148718d382f32a05352c0255ebbd501ca73055453d
18. 0x9c1c771179da4a002386557e8601b2d4983c3e366808477ee20da18c282c1dd8
19. 0xbb1998892a86d9633ea7b5de06760114b45777da649c217062ff0d65d7095f34

Day root

0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee

Chained

0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b

Published

On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345