Evidence row 117307

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://music.openverbs.com/v1/transpose"
    ]
  ],
  "name": "Transpose a note",
  "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": "Transpose a note by a (possibly negative) number of semitones. Result is spelled chromatically with sharps, or flats when `preferFlats` is true.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "note": "C4",
              "preferFlats": false,
              "semitones": 7
            },
            "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": {
                    "note": {
                      "description": "Note to transpose.",
                      "maxLength": 8,
                      "minLength": 1,
                      "type": "string"
                    },
                    "preferFlats": {
                      "description": "Spell the result with flats. Default false (sharps).",
                      "type": "boolean"
                    },
                    "semitones": {
                      "description": "Semitones to move (negative = down).",
                      "maximum": 127,
                      "minimum": -127,
                      "type": "integer"
                    }
                  },
                  "required": [
                    "note",
                    "semitones"
                  ],
                  "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": "2026-10-08T05:39:53.422Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-08T05:39:53.139Z"
    },
    "resource": "https://music.openverbs.com/v1/transpose",
    "serviceName": "Transpose a note",
    "tags": [
      "transpose musical note",
      "shift note by semitones",
      "note transposition api",
      "convert pitch up down",
      "music key transpose"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Transpose a note by a (possibly negative) number of semitones. Result is spelled chromatically with sharps, or flats when `preferFlats` is true."
}

What the leaf hashes

{"body":"ec606ae11cc98922ccf0ddba8f27eededf0151e821b3101b1b325854295c66b6","id":117307,"kind":"listing","method":"baseline/1","observed_us":1793025610984676,"prev":null,"subject":"x402_bazaar:https://music.openverbs.com/v1/transpose","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. 0x8acb61ad7d7f5107f5438dc4f2f294dbcc6bf1e9e484a5d9fcfa4835f2e6c61b
2. 0xdf8814f5aac865531d2e6ec939739ad2c572893704cb7a224a5834e52b0ab6f0
3. 0x7d91f1a44abdbe4d238de8426ef6d75d373cc02c8adbaeb04c66d23eb8702a80
4. 0x7f4a4a6a09a82bf74e35dc4a17aa6715e3cfa2e7cf63f7c11993db7746bd2233
5. 0x2ab9caea81244d15a8b7d7780358abb4fbad4c7c4b25d6c2ee0b213d2b5e372b
6. 0xe35a385e9fa4549e70e8b2756d72cae43327decb701f567ae47b4c519b02c2ab
7. 0xa9f05f636e5b98eb9ca6566be0b045cd1b3da19f0607fd80c14aeba8cbb0ad68
8. 0x8a1a05516bfc242dfaf6bbb69f3cd8e385f6d187e006f6251efa768243573284
9. 0x0283882ef8db831b6591883538b270508618ab56848219d4063b61adba5aafa9
10. 0x7d19a8f0d44d0c224dd4e1fd540ac67cd3370e926b73e965b2beb37e5ab9936b
11. 0x7d887da17795602ff54a7a2d145692904e47f8d3ab035b8db85d274d00bc9bfe
12. 0x8cb11bf3bc7d3a6f859c170a167821024ffc4758cdfd2cc96f61a3291aefb637
13. 0xd5ec7ffaecac790d8adfa0620b0a5494758f862e3090b49e556a6ecbad2f0782
14. 0x78ac2b34737774659a6a411f4d10b8ba570d40699d9f277321c3a32ff03d1dc9
15. 0x7eb603d37f0f22dae1ea013e391889906ffc0139ff26e25b044bee38eec8f9b2
16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae