Evidence row 515740

What was observed

{
  "count": 3,
  "tools": [
    {
      "description": "Submit a music production request to AImeistrO. Runs the autonomous Value Loop (bidding, MIDI generation, QC) and returns job status, selected providers, economics, provenance, and artifact reference.",
      "inputSchema": {
        "properties": {
          "bars": {
            "description": "Number of bars",
            "maximum": 32,
            "minimum": 1,
            "type": "integer"
          },
          "bpm": {
            "description": "Tempo in beats per minute",
            "maximum": 200,
            "minimum": 60,
            "type": "number"
          },
          "budget": {
            "description": "Budget in AMC",
            "maximum": 1000,
            "minimum": 1,
            "type": "number"
          },
          "key": {
            "description": "Musical key (e.g. 'A minor', 'C major')",
            "type": "string"
          },
          "style": {
            "description": "Musical style (e.g. 'House')",
            "type": "string"
          },
          "type": {
            "description": "Request type (currently only MUSIC_LOOP supported)",
            "enum": [
              "MUSIC_LOOP"
            ],
            "type": "string"
          }
        },
        "required": [
          "type",
          "bpm",
          "bars",
          "key",
          "style",
          "budget"
        ],
        "type": "object"
      },
      "name": "create_music"
    },
    {
      "description": "Retrieve the raw MIDI artifact for a completed AImeistrO job. Returns base64-encoded MIDI data with metadata.",
      "inputSchema": {
        "properties": {
          "job_id": {
            "description": "The AImeistrO job ID (e.g. AIM-JOB-000001)",
            "type": "string"
          }
        },
        "required": [
          "job_id"
        ],
        "type": "object"
      },
      "name": "get_artifact"
    },
    {
      "description": "Retrieve the status and result of an AImeistrO job by its job ID.",
      "inputSchema": {
        "properties": {
          "job_id": {
            "description": "The AImeistrO job ID (e.g. AIM-JOB-000001)",
            "type": "string"
          }
        },
        "required": [
          "job_id"
        ],
        "type": "object"
      },
      "name": "get_job"
    }
  ]
}

What the leaf hashes

{"body":"424540a6ac1573401ac8a0ed0c496087858ef1395829f1a736e3abf71cd46218","id":515740,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793120213277002,"prev":null,"subject":"8cedaab0-8d75-4278-a496-ef6f336c24f2","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0x347561791450642f78eb06c20a088beaf77604cbca511c2269eb03a214e60d5f
2. 0x28bacf346412bcd9464d58e6a569a532e6e400b89a83277f9435d9446a3adfae
3. 0x72704286158315e1bb55fc84c510355efb04c56badea89f4efd5eabbaa43644d
4. 0xf3608d9a5f7b8cb8a88f2b1d74226baa250099e332cf72f0599507ee8de9d172
5. 0x914d7e4d088f27fc7f81595f4bbaec3dcca32c12a5982e5a67f2fc21e05c6eb4
6. 0xa30faf6ee713dbccc8625e156487b486f52f617d75eacdbc91dd0fb4e5de62de
7. 0x12d43f9baf0f0bf97d0b807dd01bac35f4cb650cf771ffbd275d41f9a6d11a22
8. 0x3db0bd200cde239934a5909d9f0b9ead739f050bded6a554571ec0c8bd13a7b3
9. 0x3fd6a50fb6d8758a751f89fc556ebf9bbd5542df7a53a25c7c0594baca3a618c
10. 0x404479bb113d68b31fa7f1ad5ca9150118b823282cb4eb770c953710b5581306
11. 0x85a6f473253adaf20ada24e9798c83bbc77040d206df2377d7a0ddf9221f9e70
12. 0x0491d1aef43a95c6e235bd50f122c12c8c56196bb71b329f055061f0e9ee7115
13. 0x5a83a2d5b2abb340c16172caf3ef83b831e168d2e94e4154a4ad72adcac5cad2
14. 0x595de2dea3b8fa56dbd6142dd78ae79f3e7169c631e41a844b100613abb3e430
15. 0x8360ee1105e4d9f9312067cbbfd47c69c5948665ae582b9684a580c8f4e199e1
16. 0x52efa60e0c3d8525486d2310eb3b6b566c9677c64fd1f819edb072cf101bcbdb
17. 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4