Evidence row 3756113

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": "1",
          "l30DaysUniquePayers": "1"
        },
        "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": "1",
          "l30DaysUniquePayers": "1"
        },
        "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": "1",
          "l30DaysUniquePayers": "1"
        },
        "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": "1",
          "l30DaysUniquePayers": "1"
        },
        "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":"d435e89603c43f25115578f970cf92e01af19ca5a662ad3a0b6d9072a7213589","id":3756113,"kind":"listing","method":"sync.agentic_market/1","observed_us":1793989754847856,"prev":3439426,"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 2026-11-06 (303443 rows).

1. 0xb7c5d89f4359e3041a77482cdb60564c6f9912f4fab4c2cbbc496676791589b6
2. 0xc81aa9f88995d5379d861bdb0c27b2dfc920e682fbe0243c1e87ddfcba11f5d1
3. 0x1f4596121dd4169778e0b2e3e627ccbb9ef8a0af74df9b46ac9fbbeaf52fce21
4. 0x67003d38c7bb6f56c79d1cc3a0b149991710511252250dbe91d168f63893380d
5. 0xfd27e8467af34d39876c7a113e9a816b0ae1c11cf14418446ec69e0cc1f836f7
6. 0x69adf71f950f440d1e6f1081aa0b0949bacb98dbdbdcb3920c85a2f8d6ab3017
7. 0x908874c405d5f3ae67755bf7cedfe9bda293eea0a9aebdf0736419870019ee33
8. 0x0e1ead6bff8938f2b174993ddadba9312b18b993713841d154311ece7231f173
9. 0xb88dfe95935220da2f9352f3f7173cda837731d9f91b109acee61ef478726e6d
10. 0x20d998ba505f9c4e3f96a9a820f9cce301472a33ec02f1bc46d9d8508076338a
11. 0x5f14ce1d0bf97721355a95089ae1dae2b4a53b89639b1fe66f369478869a962b
12. 0x8dcbded06b94dbf6d2ad4b291d4372d99151d955e5454f5152751d18388476ae
13. 0x3578ad950743beacef8bbb561a20e123f91c4aa0d7fe90a6ab21601aa2aaa1cb
14. 0x8d5a032f475d5b910fafd32cb58c0d727d8f470fcc5d6ced065d044bda372ee0
15. 0x4e2c85f79c29b95d6dfb888e9d12396c3d7208dc05aa6a6d68fe77cf5be30da5
16. 0x4a5b4dca6c638b7872bc6485359586bebc62511ba2776f1ea54dfdaa4d1a511b
17. 0xf19d501fdbc28e10c3244253daf0c37c4752659eae14a7cba585a18c7df9ce0d
18. 0xd422a75f6c3780ed53eca52b50bf40b8f17dc14cffb804142e44fc9f2672029d
19. 0xc0d08d48601d1be90bcfc025e66bcaa0030120d688dd9c919b36c2c4446f4948

Day root

0xb30ccefe7182c6f767e1fcbfb5f64ffd649da831f665f65c5ff39cd40512284f

Chained

0xc383f7ef68d2914082484765aa09e42c12c59a74a096ae64127c562618c506d3

Published

On Arc Testnet, block 71111178: 0xfba13cb7ee4ada7f2fee3702a786a2201596be2ffea37dfc281ab4c8e9942fe1