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Evidence row 117304

Observed , by baseline/1.

Kind
listing
About
source_record x402_bazaar:https://music.openverbs.com/v1/interval
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
7e42f4b66a336aacf0daaa14227262daa01230cc970c6ea069d42c6350cea6ff
Leaf
0xf1513168576757bc528288fd563dc67648ae209eb169ed4dcd98358016638246

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://music.openverbs.com/v1/interval"
    ]
  ],
  "name": "Interval between notes",
  "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": "Name the interval between two notes (`to` at or above `from`) — its size in semitones, its diatonic number and its quality (perfect/major/minor/augmented/diminished). Correct spelling matters: C→F# is an augmented fourth, C→Gb a diminished fifth.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "from": "C4",
              "to": "G4"
            },
            "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": {
                    "from": {
                      "description": "Lower note.",
                      "maxLength": 8,
                      "minLength": 1,
                      "type": "string"
                    },
                    "to": {
                      "description": "Upper note (>= from).",
                      "maxLength": 8,
                      "minLength": 1,
                      "type": "string"
                    }
                  },
                  "required": [
                    "from",
                    "to"
                  ],
                  "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": "2026-10-08T05:39:54.13Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-08T05:39:53.99Z"
    },
    "resource": "https://music.openverbs.com/v1/interval",
    "serviceName": "Interval between notes",
    "tags": [
      "music interval calculator",
      "interval between notes",
      "name musical interval",
      "semitone interval lookup",
      "diatonic interval api"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Name the interval between two notes (`to` at or above `from`) — its size in semitones, its diatonic number and its quality (perfect/major/minor/augmented/diminished). Correct spelling matters: C→F# is an augmented fourth, C→Gb a diminished fifth."
}

What the leaf hashes

{"body":"7e42f4b66a336aacf0daaa14227262daa01230cc970c6ea069d42c6350cea6ff","id":117304,"kind":"listing","method":"baseline/1","observed_us":1793025610981103,"prev":null,"subject":"x402_bazaar:https://music.openverbs.com/v1/interval","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).

  1. 0xf15162dbf943c7493fe7527fc032ef724d7eccd6244ba9659fe1acd648e25ef3
  2. 0x625d72ff8ccfec9f3ff9ffc1873b5fb9ec1fa52daa2448829dcf1daece4504d7
  3. 0x8ecde2cf77806b55b23312da15b9297c2d90dffcfdbc769332c087217aaadcad
  4. 0x00b7bcf4572ddc7d1ad9c86ac96016dda6716c115d015421cc931f82bd5cf9d8
  5. 0xe320e1da79f15cffd25e78ef458f1e634884daa67e98966449a9d8215b1f8ca4
  6. 0x7de6d290ba1dc3304b45d41a530d1f216376331d59adacc0eb9ab80e49fe23ce
  7. 0x6cc89f398322bf1a7168325ee28892c402f8eb11311156f4135913af0c5c4803
  8. 0x8fb70d5d53b0b02037c09dcdd2c7c8ce7c9da86d4d25675e03fca63df899abfb
  9. 0x46613c0a42d561a7a07ec88601367eb9190899add6946bf0d246502a841548b6
  10. 0x1374d43b83adaf6956b75a4ffa6be9b5d88f279b0e1f9aa9cb997253f28541e1
  11. 0x3fbb508bb3373d829808c4b964e49bf52f1a8877acba747d2b92b5eac81e6259
  12. 0x4d2e94451b5ffc570a23dee9d1525bc305f1009994ffe23d8e2e7d45c60f6209
  13. 0xa26f0437cba4d7d64f1cf98bf4f490e1ebb6f66a5e2331537b7ba8b3061084e0
  14. 0xd769d41500075835c3b2f9184d223699fb983fd05c29fbcb44d964abc7ee380d
  15. 0x68d296b1e00b4899fb83c3fba36fffaefa311eac2903067dbebfe776a12b4a9a
  16. 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
  17. 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON