Evidence row 292555

What was observed

{
  "count": 1,
  "tools": [
    {
      "description": "Use this when the user wants a flashcard maker for supplied question-answer pairs: flip cards interactively, track review progress, print paired cut-out cards as an A4 or Letter PDF, or export an Anki-style Front/Back CSV. Removes identical pairs. Does not generate learning content, check facts, provide spaced repetition, or sync progress. PDF simplifies accents and replaces unsupported characters; CSV preserves Unicode. Up to 24 cards and a 2,800-byte payload.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "cards": {
            "description": "Explicit question-answer pairs supplied by the user, e.g. [{question:\"hello\",answer:\"hola\"}]. Do not invent answers.",
            "items": {
              "properties": {
                "answer": {
                  "description": "Supplied back text, e.g. hola.",
                  "maxLength": 240,
                  "type": "string"
                },
                "question": {
                  "description": "Supplied front text, e.g. hello.",
                  "maxLength": 150,
                  "type": "string"
                }
              },
              "required": [
                "question",
                "answer"
              ],
              "type": "object"
            },
            "maxItems": 24,
            "minItems": 1,
            "type": "array"
          },
          "paper": {
            "description": "PDF paper size, e.g. A4 (default) or Letter.",
            "enum": [
              "A4",
              "Letter"
            ],
            "type": "string"
          },
          "title": {
            "description": "Optional deck title, e.g. Spanish greetings.",
            "maxLength": 70,
            "type": "string"
          }
        },
        "required": [
          "cards"
        ],
        "type": "object"
      },
      "name": "generate_flashcard_deck"
    }
  ]
}

What the leaf hashes

{"body":"bcb57b41c4eb65eff835d12e5058ad133264dad6a3fbb2816ce07b8f6780ae48","id":292555,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793048850325720,"prev":null,"subject":"3147a2a8-da17-45b0-95f3-a0272ccb4b06","subject_kind":"endpoint"}

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. 0x9c6e188d6e231eeffbf711f3c72ac360dadf6ccd8918cc8d000d989ed5a6ae9c
2. 0x4d244792d2029fa221f87b8b07fac7ff017c691717c45ddb7b088827e038bfe9
3. 0xe1d48a0a2e999a506eb68db03d9dda4e4b8d38acab00541e1416e71863f1d538
4. 0xee72fb8fca4c0c03ebe2ba12f3f94136a1140d51d31a0a9dea42db07fa827c93
5. 0x772b5b7462542c65c80546983f4d946e90accf518994a1cdc60d5b1edf0c2859
6. 0x437fa42958f80b37b7de151044aa1460bc90147663c352c1d64e1d742ef2a149
7. 0x9fd11dca59617845d451d9d22ffb9f3bffbf2de293f64bc441cfec6250889c8a
8. 0x415dafa638248e6a0b5add668a20346cd45d887c3de04afb1ad304c3a7790f73
9. 0x34ef2c0fe0b5aa2ff1eb1e0f03fdcd926a23fe6f8a178fe7f87845cae93e1bc3
10. 0x55e392a749fe8acd3deb4f8eae19501f1e043191c02fc18a1fab5caabf05c0dd
11. 0x4a4b7460b27353d096fad8c7820603e2d212a25fa0e24fdd0b1ce11cd6ca098c
12. 0xd253212b3d5f7245423cc951067880bc2069b90eeee521363fcee13ebbd606ae
13. 0x99a4e0f8b23989f58b564c1b6e419578b4388f6e0dbf6e50177c1bd476302d0e
14. 0x6713795704ddd9c528d421fadd9cc96b0200a4ddbba84f88e718d4968dde888b
15. 0x62a900133713919f4eed33d8336876b7a6d538233b8a4f3ed03b29aa44f5bad0
16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae