Evidence row 2779

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://macaddress.openverbs.com/v1/format"
    ],
    [
      "x402",
      "https://macaddress.openverbs.com/v1/generate"
    ],
    [
      "x402",
      "https://macaddress.openverbs.com/v1/info"
    ],
    [
      "x402",
      "https://macaddress.openverbs.com/v1/parse"
    ],
    [
      "x402",
      "https://macaddress.openverbs.com/v1/to-eui64"
    ]
  ],
  "name": "macaddress.openverbs.com",
  "owner_address": null,
  "raw": {
    "caip2_networks": [
      "eip155:8453"
    ],
    "category": "",
    "description": "",
    "domain": "macaddress.openverbs.com",
    "endpoints": [
      {
        "description": "Reformat a MAC address into the requested notation (colon, hyphen, Cisco dot or bare) and case (lower default or upper).",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "00:1A:2B:3C:4D:5E",
            "group": "body",
            "name": "address",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "upper",
            "group": "body",
            "name": "case",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "colon",
            "group": "body",
            "name": "notation",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.002",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "2",
          "l30DaysUniquePayers": "2"
        },
        "serviceName": "Reformat a MAC address",
        "tags": [
          "format mac address",
          "mac notation converter",
          "convert mac to colon",
          "cisco mac format",
          "uppercase mac address"
        ],
        "url": "https://macaddress.openverbs.com/v1/format"
      },
      {
        "description": "Generate a random EUI-48 MAC address. By default it is locally-administered and unicast (safe for testing); set `local:false` for a universal-bit address or `multicast:true` for a group address.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": false,
            "group": "body",
            "name": "local",
            "required": false,
            "type": "boolean"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": false,
            "group": "body",
            "name": "multicast",
            "required": false,
            "type": "boolean"
          }
        ],
        "pricing": {
          "amount": "0.002",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "3",
          "l30DaysUniquePayers": "3"
        },
        "serviceName": "Generate a random MAC address",
        "tags": [
          "generate mac address",
          "random mac address",
          "test mac address generator",
          "multicast mac generator",
          "fake eui-48 address"
        ],
        "url": "https://macaddress.openverbs.com/v1/generate"
      },
      {
        "description": "Report the properties of a MAC address encoded in its first octet: unicast vs multicast (I/G bit), universal vs locally-administered (U/L bit), the broadcast address, and — for EUI-48 — the OUI and NIC portions.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "00:1A:2B:3C:4D:5E",
            "group": "body",
            "name": "address",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.002",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "2",
          "l30DaysUniquePayers": "2"
        },
        "serviceName": "Inspect address properties",
        "tags": [
          "mac address lookup",
          "inspect mac address",
          "oui lookup api",
          "mac address properties",
          "detect multicast mac"
        ],
        "url": "https://macaddress.openverbs.com/v1/info"
      },
      {
        "description": "Parse a MAC / EUI-48 or EUI-64 address from any common notation (colon, hyphen, Cisco dot, or bare hex) and return it in every canonical form plus its integer value.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "00:1A:2B:3C:4D:5E",
            "group": "body",
            "name": "address",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.002",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "2",
          "l30DaysUniquePayers": "2"
        },
        "serviceName": "Parse & normalize a MAC address",
        "tags": [
          "parse mac address",
          "normalize mac address",
          "mac address parser",
          "eui-48 lookup",
          "convert mac notation"
        ],
        "url": "https://macaddress.openverbs.com/v1/parse"
      },
      {
        "description": "Derive the modified EUI-64 interface identifier from a 48-bit MAC (insert FFFE, flip the U/L bit) and the resulting IPv6 link-local address (fe80::/64).",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "00:1A:2B:3C:4D:5E",
            "group": "body",
            "name": "address",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.002",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "2",
          "l30DaysUniquePayers": "2"
        },
        "serviceName": "MAC Addresses",
        "tags": [
          "mac to eui64",
          "derive ipv6 interface id",
          "eui-48 to eui-64",
          "ipv6 link local from mac",
          "modified eui64 converter"
        ],
        "url": "https://macaddress.openverbs.com/v1/to-eui64"
      }
    ],
    "enriched": false,
    "iconUrl": "",
    "id": "macaddress-openverbs-com",
    "integrationType": "",
    "isNew": false,
    "name": "macaddress.openverbs.com",
    "networks": [
      "Base"
    ],
    "priceSummary": {
      "avgCostBasis": "exact",
      "avgCostPerTransaction": "0.002",
      "currency": "USDC",
      "maxAmount": "0.002",
      "minAmount": "0.002"
    },
    "provider": "macaddress.openverbs.com",
    "providerUrl": "",
    "serviceName": "",
    "tags": [
      "format mac address",
      "mac notation converter",
      "convert mac to colon",
      "cisco mac format",
      "uppercase mac address",
      "generate mac address",
      "random mac address",
      "test mac address generator",
      "multicast mac generator",
      "fake eui-48 address",
      "mac address lookup",
      "inspect mac address",
      "oui lookup api",
      "mac address properties",
      "detect multicast mac",
      "parse mac address",
      "normalize mac address",
      "mac address parser",
      "eui-48 lookup",
      "convert mac notation",
      "mac to eui64",
      "derive ipv6 interface id",
      "eui-48 to eui-64",
      "ipv6 link local from mac",
      "modified eui64 converter"
    ]
  },
  "source": "agentic_market",
  "summary": ""
}

What the leaf hashes

{"body":"dcce5b8aa3fe8d1749fb63a1ffbfe0681e459316d1248fff5febc94a9386f26e","id":2779,"kind":"listing","method":"baseline/1","observed_us":1793025267256468,"prev":null,"subject":"agentic_market:macaddress-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. 0x08168dde9c234bed1bf28e3f135d24ccb682b4ef94065885c97297277764961c
2. 0xfd385ba61864f7ec05463dae77d232bf7fd4eaf2bb816865292507fbffd5cc82
3. 0x0fb4b9ac261cb2c12d2c8ed3d1ef74c904db7524e8b696edd8d3bceb53d85952
4. 0xed5fd08614a0a0cdcc129afdb628ee9fa8fc5f3d56ecb192213d8dd42bb8ab80
5. 0xdd2aa3916616a56c3ecb12ad66de32362ce8ebf6f5928f7aa8a7ddd639496324
6. 0x2a08a8c0777434904fe78413e6ec6ffbd189cd82b9abe9bed2f959a7f743589f
7. 0x4782930777558e2f0603419939c0d40a8f76f0426926a09e424ddb7b877d93d5
8. 0x2aa2301df4b3b157575dee64ce0d7b75fa5eb24e9109931dc39893e1cb18e486
9. 0xeea4eb4b257a21cea79349051e304c9f01984afa83774c6509013ba81e058790
10. 0x286d15bd62bd4bdc9d226a5307435d38911f3c64d096f3d8addf809f96068fe4
11. 0xe5919b091405f2537da4d32a97f1520286a61795e2d149438b884ef5190051cc
12. 0x6003e14d04cde1d24b195ac15b568dd483e04047e0f2ff64d9632a51a8f7123d
13. 0xe5a836cf25a8dfc72c9e3b6a69a7561a1f61f50f9cf36707d36f6e926aa15dec
14. 0xa96bb9408ce00a0d40ddaba8736257dfce76d5478b131d69db1afdf8a824312b
15. 0x7ddc2fead128357f881b63e6c7c26d7fbbb84fca6c7c8e0bbfe386de86ca8d39
16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae