Evidence row 1040348

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://pay.brianbooms.com/api/v1/synth/bundle"
    ]
  ],
  "name": "Steward",
  "owner_address": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
  "raw": {
    "accepts": [
      {
        "amount": "750000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
        "scheme": "exact"
      },
      {
        "amount": "751970",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
        "scheme": "exact"
      },
      {
        "amount": "751970",
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:42161",
        "payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
        "scheme": "exact"
      },
      {
        "amount": "751970",
        "asset": "0xB97EF9Ef8734C71904D8002F8b6Bc66Dd9c48a6E",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:43114",
        "payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
        "scheme": "exact"
      }
    ],
    "description": "Synthetic Universe API: complete catalog — all tracks, one payment ($0.75 USDC on Base, 25% off vs singles). Music made with Suno — disclosed.",
    "extensions": {
      "bazaar": {
        "discoverable": true,
        "iconUrl": "https://brianbooms.com/favicon.ico",
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "format": {
                "enum": [
                  "json"
                ],
                "type": "string"
              }
            },
            "type": "http"
          },
          "output": {
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "additionalProperties": true,
          "properties": {
            "format": {
              "description": "Response format (json only)",
              "enum": [
                "json"
              ],
              "type": "string"
            }
          },
          "type": "object"
        },
        "serviceName": "Steward",
        "tags": [
          "digital-goods",
          "license",
          "steward",
          "x402",
          "music"
        ]
      },
      "market": {
        "listings": "https://x402-market.brianbooms.workers.dev/api/listings",
        "market": "https://x402-market.brianbooms.workers.dev",
        "note": "Open directory of pay-per-use agent APIs — browse listings or list your own in one click."
      },
      "share": {
        "active": true,
        "message": "Know two agents who should be buying here? Point them at https://brianbooms.com/rail",
        "url": "https://brianbooms.com/rail"
      }
    },
    "lastUpdated": "2026-10-28T15:00:03.515Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-28T15:00:02.769Z"
    },
    "resource": "https://pay.brianbooms.com/api/v1/synth/bundle",
    "serviceName": "Steward",
    "tags": [
      "steward",
      "x402"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Synthetic Universe API: complete catalog — all tracks, one payment ($0.75 USDC on Base, 25% off vs singles). Music made with Suno — disclosed."
}

What the leaf hashes

{"body":"3a0d8fb3ea63ca26ed782d7d11b25768fb66bc2cf5ace68581014f8990c932ef","id":1040348,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793298506586026,"prev":792361,"subject":"x402_bazaar:https://pay.brianbooms.com/api/v1/synth/bundle","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-29 (242798 rows).

1. 0x5bb0caf52afcb8b1ce4473d23549974a9cd82765adf196a0e03755b9bdb6d762
2. 0x7cf6c4f47a7ceb4f2f33fb3423eb969eec3010a1ae6faac18dcce423540bfcd5
3. 0xc9d6860fbddccd0c7666b3e32d5f65e9e557e23be0201271a0aa0330dc3b01ea
4. 0x8cfabe97d9888c790e23e92b5d3b7b0e19f86143bec0b432914b7f1bc1a4b8bd
5. 0xe3391f0cc23a6d534b0fb60b0a442c6d1e05547e10b076d77fa73a4eb5f80297
6. 0x8ac1ca5447ea0c6c93b02fa27f9842f9599123345b4cb8d8104c06888c42ae26
7. 0x154cbb6887ad5601526a9da0b4a3523597698509f1ec6e9bf964ef663ed260d8
8. 0xb2a407d96d6918cea3ee70604ec82e240a48d5d79581855faa5a4d6ccad0f0c9
9. 0x42edf4dda88350c9cf8bb67b346e7428be15cd882f3fc07e6ada5cf6de611a0f
10. 0x9237057b0da6596872f424603edb55d6268de59bf6ce5add115bba6ec052e7c9
11. 0xf6e558a1bc11ea09fa2b7ee50f97faf75b60ea0f8962cd2d028e479558315dd1
12. 0xf2cc4729510632c771067538b85013ba091033492f737a7205b9fdcf15a8d172
13. 0x03bcddbafdd5c3b2cfd0ed77db8b385d1daefb8582c49039e5b2d78c95e4b697
14. 0x3f2650fbc651fa3eec11adb4b123cd97e6e8054668be9e574fb88fd72c05303d
15. 0x5c72917224317e5d0d7a0d4ada19337530fcd8b513d6fc46866876f7844efe17
16. 0x976395aaca1b771b7e37710dee4157412909d2398c44e306a2e1e3fe83b984fd
17. 0x91f12a2db1e2c1be07cbe4de3981a37a33051a36d3c3eee5a260804add6d1d75
18. 0xd56e61af23709ed9f460471e3c08400c0142ee83e1fd9057e46350d12edf9c07

Day root

0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c

Chained

0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6

Published

On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1