Evidence row 77254

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://macaddress.openverbs.com/v1/info"
    ]
  ],
  "name": "Inspect address properties",
  "owner_address": "0xb3f4de103f34b99f0da19b4f16d6b53a14c2194a",
  "raw": {
    "accepts": [
      {
        "amount": "2000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xb3f4de103F34b99f0Da19B4F16D6B53a14C2194A",
        "scheme": "exact"
      }
    ],
    "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.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "address": "00:1A:2B:3C:4D:5E"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "address": {
                      "description": "MAC address in colon, hyphen, dot or bare notation.",
                      "maxLength": 64,
                      "minLength": 1,
                      "type": "string"
                    }
                  },
                  "required": [
                    "address"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-08T05:38:31.709Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-08T05:38:31.436Z"
    },
    "resource": "https://macaddress.openverbs.com/v1/info",
    "serviceName": "Inspect address properties",
    "tags": [
      "mac address lookup",
      "inspect mac address",
      "oui lookup api",
      "mac address properties",
      "detect multicast mac"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "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."
}

What the leaf hashes

{"body":"188cf5c1c689e7d0dbe88a2d3aaee5c910933edab09b8bfe1d7382b052aea7e9","id":77254,"kind":"listing","method":"baseline/1","observed_us":1793025493708948,"prev":null,"subject":"x402_bazaar:https://macaddress.openverbs.com/v1/info","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. 0x90cadb9640ee8a1701cb605eb4292c17f701003c723f391862c8e3a78532b520
2. 0x7c7d01687faabb2290990354c01a43a3ac82d9dd969015272f2e0689bb48e218
3. 0x514e1dd68146112812de1c37c68eb2a6089890f008bb32e969ab07948e77b789
4. 0xc954d639b1d2f9c5c2b1ba82bfcf6e22f20009e2e05dda6fd17127ac01cbce1e
5. 0xb4630871306d542bb2940ee4db9eab09fe206f07636743585c3280248f976945
6. 0xa9d6d2386cca6beaf055a86bf11b39eb72a494313ba239ffde35ffe02bdab7d5
7. 0x5466672d9d077db6ce74af409e66f0092d42eea5cc8e1cd5c0c79828204ab7e7
8. 0x15f48c3dcfc8fc95d0a12ca37e575b3ca8bd7ea44b76e41d4d337b866dd03fe2
9. 0xd6cb299383c65630bd27f540514dc02fdf258e87279dfa074726ec00f5cb65df
10. 0x5d6495469a224b0c8739fabdb7652717dcf778029d8f8eb34051fdf9d5ed5ee5
11. 0x6c9f1a764b7efa4ca549bf1cbbf8b397ce3c92cc35a0932f2dbf0706ae892c07
12. 0xe131b224ee3c295dfa790b458d9daa11e2a32e6131c280c6be7d92190c756a88
13. 0x45c1d3062bbe98a6b1540c7e2ccf6516eedd6ef07fdfeb1ba77ee6272970447c
14. 0xf0edabbb9ba0d643e5505d19d07637eb6f6aed0a1c7356af43ae7d84ae9ef0c5
15. 0xf0bd63870f0bb378fa300bd33563050dcb7b3e02b44eb3ee550c1c534ec4b246
16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae