Evidence row 4175

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": {
          "l30DaysTotalCalls": "2",
          "l30DaysUniquePayers": "2"
        },
        "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": {
          "l30DaysTotalCalls": "2",
          "l30DaysUniquePayers": "2"
        },
        "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": {
          "l30DaysTotalCalls": "2",
          "l30DaysUniquePayers": "2"
        },
        "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": {
          "l30DaysTotalCalls": "2",
          "l30DaysUniquePayers": "2"
        },
        "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":"ce586bdf46b558ada14d61cf0db3adb9c6a87a8975e6210e7ac23e9bc65d4fa8","id":4175,"kind":"listing","method":"baseline/1","observed_us":1793025277385601,"prev":null,"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 2026-10-26 (296695 rows).

1. 0xc6919348331bfaafe9f71f83e78e25957419aea5a7659f28887a2ee3deb5f1a7
2. 0x673a16e5a2d75ec5e36bf020b0d7d4409abdd3cc1cd9d63e236c234e6443a49b
3. 0x9558653390043cd0907c61e54e74facd7815d197e6747782cca6aaaf348a5b0b
4. 0xf44480e0bdbd27bb5cb1174a48ebb75f8e3cf558f2cecd0961367ff07ce8a7a0
5. 0x6f3f5bd57fc8e25a7336280a9340bb38c46eac50183e2ecb4e622ed2d29d4c00
6. 0x55cc6303e98fc702e2cca2ce4801c52279463cb603031030dff5c85877266c42
7. 0xe45df4c252f3d5ba613017d18ad126b83f817165c695a86b81882ab6c71327a8
8. 0x00b683b0fdd4e73f4c7c95aaef496d105d62aa4ff5f6c2be3ab028f0ad58038a
9. 0x1b9dbe5112588a7f2b1b0ed2aa9b71047b77a5b91bfb1e88df305d0873594c3c
10. 0xa5d93de518cc5a3e0fcb59e9d61337c743409d708b23c5352bebbbec973ca249
11. 0xcf79908a8c2a5f4d274583b3f75e7aa2d8b29ffc384541425852fe761ae31d56
12. 0x9d99c5dad23613921cdfabc849c2dd3c97729992eaa05c4dab5e86e83ed6d220
13. 0x72e35aac89ebca631656c2b1aecbdc094807d9807f12c22a6ddf35cc1f5e21d6
14. 0x5b20d8aab05225a3497eadcce89d2e2a586a510fb31334793d3f46f88f0157c5
15. 0xe94ca5b798e9899ad611e57835af42266e20f53f44977e487d81365e30972beb
16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae