Evidence row 117306

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://music.openverbs.com/v1/scale"
    ]
  ],
  "name": "Build a scale",
  "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": "Build a scale from a root note and type (major, natural-minor, harmonic-minor, melodic-minor, dorian, phrygian, lydian, mixolydian, locrian, major-pentatonic, minor-pentatonic, blues, chromatic). Heptatonic scales and modes are spelled diatonically (F major → F G A Bb C D E). Returns the note names, MIDI numbers and semitone intervals.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "root": "C4",
              "type": "major"
            },
            "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": {
                    "root": {
                      "description": "Root note, e.g. \"C4\".",
                      "maxLength": 8,
                      "minLength": 1,
                      "type": "string"
                    },
                    "type": {
                      "description": "Scale type.",
                      "enum": [
                        "major",
                        "natural-minor",
                        "harmonic-minor",
                        "melodic-minor",
                        "dorian",
                        "phrygian",
                        "lydian",
                        "mixolydian",
                        "locrian",
                        "major-pentatonic",
                        "minor-pentatonic",
                        "blues",
                        "chromatic"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "root",
                    "type"
                  ],
                  "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": "2026-10-08T06:12:22.07Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-08T06:12:21.807Z"
    },
    "resource": "https://music.openverbs.com/v1/scale",
    "serviceName": "Build a scale",
    "tags": [
      "build music scale",
      "scale notes generator",
      "major scale api",
      "musical mode builder",
      "diatonic scale lookup"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Build a scale from a root note and type (major, natural-minor, harmonic-minor, melodic-minor, dorian, phrygian, lydian, mixolydian, locrian, major-pentatonic, minor-pentatonic, blues, chromatic). Heptatonic scales and modes are spelled diatonically (F major → F G A Bb C D E). Returns the note names, MIDI numbers and semitone intervals."
}

What the leaf hashes

{"body":"0cda443874e096bced6c379df7c2789c4ee130edca3cf098b9325b716f7e1396","id":117306,"kind":"listing","method":"baseline/1","observed_us":1793025610983505,"prev":null,"subject":"x402_bazaar:https://music.openverbs.com/v1/scale","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. 0xdae18ee69e13fe23dadae3ec608c21e555efdbd115124a15da4df9cccedf0bff
2. 0x6258b5cf4b526f2fe2096b7fe66f828abec0ee3236a2ad415dacf0d4ff101d5b
3. 0x4d87456728bf1fb807da708de76ec242dcff6adfd4ba0735c9b6e4934dff3c54
4. 0xe8cb22ca6cd8f1a4941dbe71a76e1a6626ca425109ed1e19f290c3f262a9988e
5. 0x88f43efa87ea8898fdb461eaedb9d35910c4bc67247236478f94f1b1d7debfae
6. 0x288618c78c16a1cd6b6eff71febdb23cbcbcddd61437e3e1ad36c0064ba8fcd9
7. 0xe53a1a90a5955a2a0997bba63b03794b49c5af2020ffc2b523938cd04bb101d7
8. 0xfda4f6ae56f41c1c16fd9515e491121530e0adcd1d21dac406d0c70c3e65136b
9. 0x9f70b1e6c89aa9e42b61a3d96ea3e4c30f5d3caedeaa9f9a442cc49cfb5aa419
10. 0xf0fa8825f03ea7c30bd9031bd1bd80f189c5f26b11bf0823da9afc4bf22d0332
11. 0x29700235b227055ce880d43e14eac146f6698beb898c5815b2dace9d29cb0d8c
12. 0x3704bc5ad033a79977899a5ead894cf50c0b8c8432c020959cefe2af561eb5ee
13. 0xcd9e3af1fa905ec61b99ee9442716d7c7a439aecacd018ec229a24def1cabf6b
14. 0x6b927d53caa5125cdba9255612d524976c691f8672796c3f0885ba2c5b3af1ad
15. 0x6dc40f983a3840a0ad927a9ca17f4ff1e3b649a6c735e2a09b140db7c2caf13b
16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae