Evidence row 561979

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": "2",
          "l30DaysUniquePayers": "2"
        },
        "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":"4a16a0d6b35785e6b2df91b7ce34a52f0a93f712b1e5d313a49b5d7c9179f816","id":561979,"kind":"listing","method":"sync.agentic_market/1","observed_us":1793137279763744,"prev":558486,"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 2026-10-27 (273461 rows).

1. 0x7710f5cdde4e228f47170cdbe9947e59ef7734309883be3347e536aa840d4ee1
2. 0x0913ba70761f8a47b62d4d82682c911ac00fbc18378386e2120a885ad4e41a97
3. 0x213c1417316047e66635a878f3e596411ac26bb7a8974ea0b550dcc0448f36f0
4. 0xca22c3f6819b80d12d78f0ecd5902711c77815475fcd9c29edd26d2d1e4ae6b9
5. 0x2f493007dbb7a9ef67cdd7dc3bb168bdf4f50e559d47f39678b1f03ce88e2186
6. 0x3ba812c68b8d16c72ca190f459ad48f93a9173691d14bed7f93eef7e05981699
7. 0xed8dddb05695b94e43a126190d725c73d87a77b21d9dc6bcada49808377cd4d1
8. 0x68d501b4a9b8404ea727e74f98e8c742bfc7889eea566860802945e2d6e5ebb8
9. 0x9d40c0a0515c66c047279229eed5cfed41bb12e59a75b1b9a816e7489787e69a
10. 0x0dcbf51fb2ecee58e0aec94fcb361cef89d57ae5d6a06d812d391867385ddd8e
11. 0xe6bb1ce9f4488db1a61582719cb796889efd3c003080931b82d2a8a465d0fec2
12. 0x6834d22f4558c2279e3de3027a40f72cd350b3c4a2e54be57aff9ec2c9eaf01a
13. 0x4094bd5bc2ab60e4518d1ee8a13455a69d7484ea62ecdca2618d0f39d3403503
14. 0x9848c068b1371232529d2b5738fdc45b854c57da041b69ea7c9e112b14e2d9d1
15. 0x275720ecabb68df33eee92ae4fd70572a8d952d6c61c061c2869cfc3217aa5c5
16. 0x23cf9bb4337ee8be7fcae368fd69d24c62c11fb45882127b4cd919bb96a19996
17. 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4