Evidence row 3959972

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://wallet.openverbs.com/v1/detect"
    ],
    [
      "x402",
      "https://wallet.openverbs.com/v1/eip55"
    ],
    [
      "x402",
      "https://wallet.openverbs.com/v1/normalize"
    ],
    [
      "x402",
      "https://wallet.openverbs.com/v1/validate"
    ]
  ],
  "name": "wallet.openverbs.com",
  "owner_address": null,
  "raw": {
    "caip2_networks": [
      "eip155:8453"
    ],
    "category": "",
    "description": "",
    "domain": "wallet.openverbs.com",
    "endpoints": [
      {
        "description": "Guess which chain an address belongs to from its shape and encoding, without requiring the caller to know it up front. Returns the chain, format and address type, or nulls when nothing matches.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "example",
            "group": "body",
            "name": "address",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.004",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": null,
        "serviceName": "Chain detection",
        "tags": [
          "detect blockchain address",
          "wallet chain detection",
          "identify crypto address",
          "bitcoin ethereum detector",
          "address format lookup"
        ],
        "url": "https://wallet.openverbs.com/v1/detect"
      },
      {
        "description": "Apply the EIP-55 mixed-case checksum to an Ethereum address, regardless of its input casing. Returns the checksummed address and whether it differed from the input. Non-hex input is rejected before payment.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "0x52908400098527886E0F7030069857D2E4169EE7",
            "group": "body",
            "name": "address",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.004",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": null,
        "serviceName": "EIP-55 checksum",
        "tags": [
          "eip55 checksum api",
          "checksum ethereum address",
          "convert eth address checksum",
          "ethereum mixed case checksum",
          "apply eip55"
        ],
        "url": "https://wallet.openverbs.com/v1/eip55"
      },
      {
        "description": "Normalise an address to its canonical form — Ethereum to its EIP-55 checksummed form, bech32 Bitcoin to lowercase (base58check is left untouched as it is case-sensitive). An address that is not a valid address of a known chain is rejected before payment.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "0x52908400098527886E0F7030069857D2E4169EE7",
            "group": "body",
            "name": "address",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "ethereum",
            "group": "body",
            "name": "chain",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.004",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": null,
        "serviceName": "Address normalisation",
        "tags": [
          "normalize wallet address",
          "canonical crypto address",
          "normalize ethereum address",
          "lowercase bech32 address",
          "wallet address canonicalization"
        ],
        "url": "https://wallet.openverbs.com/v1/normalize"
      },
      {
        "description": "Validate a blockchain address. Supply `chain` to check against a specific chain, or omit it to auto-detect. Ethereum addresses report their EIP-55 checksum state; Bitcoin covers base58check (P2PKH/P2SH) and bech32/bech32m segwit (P2WPKH/P2WSH/P2TR). A well-formed but invalid address returns `valid:false` — not an error.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "example",
            "group": "body",
            "name": "address",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "ethereum",
            "group": "body",
            "name": "chain",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.004",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": null,
        "serviceName": "Address validation",
        "tags": [
          "validate wallet address",
          "ethereum address validation",
          "bitcoin address validation",
          "crypto address checker",
          "blockchain address validation"
        ],
        "url": "https://wallet.openverbs.com/v1/validate"
      }
    ],
    "enriched": false,
    "iconUrl": "",
    "id": "wallet-openverbs-com",
    "integrationType": "",
    "isNew": false,
    "name": "wallet.openverbs.com",
    "networks": [
      "Base"
    ],
    "priceSummary": {
      "avgCostBasis": "exact",
      "avgCostPerTransaction": "0.004",
      "currency": "USDC",
      "maxAmount": "0.004",
      "minAmount": "0.004"
    },
    "provider": "wallet.openverbs.com",
    "providerUrl": "",
    "serviceName": "",
    "tags": [
      "detect blockchain address",
      "wallet chain detection",
      "identify crypto address",
      "bitcoin ethereum detector",
      "address format lookup",
      "eip55 checksum api",
      "checksum ethereum address",
      "convert eth address checksum",
      "ethereum mixed case checksum",
      "apply eip55",
      "normalize wallet address",
      "canonical crypto address",
      "normalize ethereum address",
      "lowercase bech32 address",
      "wallet address canonicalization",
      "validate wallet address",
      "ethereum address validation",
      "bitcoin address validation",
      "crypto address checker",
      "blockchain address validation"
    ]
  },
  "source": "agentic_market",
  "summary": ""
}

What the leaf hashes

{"body":"5f5c24cdc70cea9d14043c71e0600582ee8c2187c813504ec141b820b266c107","id":3959972,"kind":"listing","method":"sync.agentic_market/1","observed_us":1794076232784868,"prev":3756113,"subject":"agentic_market:wallet-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 2026-11-07 (195826 rows).

1. 0x351329619a46e8be30ddfe88acd1932bdae015ce5d7b4579b9599836bd996efb
2. 0x3f453aadd07680e73f462a0dca9b1485d6e78c9316eeb32658eaff690c6af4d9
3. 0x447f30dae3457138f39d0c08e13841e66ca3935ce3f429879ebae0aebdea30e9
4. 0x719bc0d295960d8a9f3ab894f639674c4bca14192dc760e99010b0d519952f32
5. 0x27d2ba8be43c7ff8aa10c7644ea2582deb8c633f8cffde85e7f3fda44a4a4622
6. 0xc93e0fcd350ea512178dc51cfc8d49ec292df13db5b96d04000cb4c67bbe3c6a
7. 0x91cb6c236ac3985f9290d6af1948782ccb9474d79075fa526f92d6abe812ae21
8. 0x340f44950dd7a987b11572390dc452239b90745d8ed11a60a51de84a96ab4bf1
9. 0x9a628799f882042a677d8bd7f2f3fdb7c59e12d98000fbad93c31fcfb7039581
10. 0xe8a0134972fe522d63a732e9d06149aa67e976ad4f09ee9a509de82bd5822a52
11. 0xd569f65b664c97be8c5bb077a09a26935baae92f0f4c237a303c2448bb6d5eb5
12. 0x6068d21ef05ea3dffd27c999fc947dc4c8f3e707a883551eb33703b5042fec01
13. 0x1d8312c7699963c5125f5e969a00860c4d425ef7c48f4dd3c60e0738b72012af
14. 0x2d57b894ed326d41f7dedd2958cac00bf549ea2c4764b90563d5d421d7392e94
15. 0xa3ca92229f3aac0e9b561aaa066ca1907adc3f0b1685587fa30369d41cf66004
16. 0xf0a56561418cd0342a328707933cc222d8fa725efff7ffd081e0226ee8c46c0b
17. 0x54292a94f447f1fd33c01b5c99da465043f11022958626a2ea562c457fef697a
18. 0xff23fa8a9de3f957315ef0dfe7e8d8f6b1a51dae05fef7615c59794e019ff05c

Day root

0x17da9e85e1b138541355d33543ff34e3503cd3a49d37728fb53643e2a0416a2d

Chained

0xed34bd4af17282643de8cb9591c84d0aa1b39e1e9ae9864941e543f5a15718cb

Published

On Arc Testnet, block 71280839: 0xc3f6784179e0ca32236ba89472473e882a81d03fcc5ce27ca58ded2e01e112aa