Evidence row 305651

What was observed

{
  "count": 5,
  "tools": [
    {
      "description": "The minimal executable scaffold: steps (or self-diagnostic for anti-patterns), the narration line to say to your human, and the verification check that proves it worked.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "id": {
            "description": "Technique id to apply",
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "id"
        ],
        "type": "object"
      },
      "name": "apply_technique"
    },
    {
      "description": "Describe what's going wrong — your human's complaint, or a failure you notice in your own behavior — and get the matching techniques. Deterministic matching; if the description fits two problems it returns one clarifying question instead of guessing.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "description": {
            "description": "The problem as experienced, in plain words — symptoms, not solution guesses",
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "description"
        ],
        "type": "object"
      },
      "name": "classify_intent"
    },
    {
      "description": "Direct lookup by technique id or name, for when you already know what you want. To match by symptom, use classify_intent instead.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "query": {
            "description": "Technique id (kebab-case) or name, exact or approximate",
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "query"
        ],
        "type": "object"
      },
      "name": "find_technique"
    },
    {
      "description": "A technique's mechanism, agent instructions, narration template, verification, and failure modes — the agent-tailored slice. The full human page is linked, not inlined.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "id": {
            "description": "Technique id, e.g. from classify_intent or find_technique",
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "id"
        ],
        "type": "object"
      },
      "name": "get_technique"
    },
    {
      "description": "The eight thinking-failure problems ContextOverflow covers, phrased the way a human experiences them. Start here to see what exists.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {},
        "type": "object"
      },
      "name": "list_categories"
    }
  ]
}

What the leaf hashes

{"body":"015cadd24aed4f25024e354d6d0321bc367c4c832f9af997aafc50a6454751cc","id":305651,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793056565729251,"prev":null,"subject":"51592f8c-0334-4e66-b33e-9e4a41a77810","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. 0xb69c2470006c93c7541bac35117f4777137788b0412e6d7976a532e26fa6bb43
2. 0x232129a450e3b8dc6db5937436252202814a780fbcc90f0589653e19d74da22b
3. 0x8a404ff8b886311be93f2f7ce0247d84404e6c1e4255719304c6b76e18badf9c
4. 0x6407a012c177665399fb57f55063f0b5a7ca746fa770e3e1a86f0266c0d86ebd
5. 0x282f76fced3fe4542c1335b7ba20ba3ee9642edfc4019fd614c3470583c1ff2f
6. 0x414446eee029a162dac8e94c67ecf97d00cc3b9596a823a273c3d947e44dc583
7. 0xe84380d72bd1d5eabf276d4fa9ea6a84f8c63d65cefc3c0f9ebfecb9f3930461
8. 0xa71cbc3cf1bc63dc316d2c7554faaf1d4f1adc36e0adf65be0b0ba0144015010
9. 0xac70c610cf2e95d6b8db9d955539167caf1f5581be2689ce628dab8aab8c6cb4
10. 0x8ad504c3df28b2abf4893577952a0655be9d4e70ea34ee4e1147dc0aa281fdd2
11. 0xfa91c460bb9b05b6890b46e5326a89c9e487b6419bd4d84337c05040222a2e6c
12. 0x17930d484cab3f6850715eb0b77dd189c3c06f975cf9def12285fde3eb9b4234
13. 0x0d86419ca1dd0b62fd8b22ea2e8c74d441312cec3116a467bea429b43e026565
14. 0x083427e39db4dd470662401f6db5db8fadf084fc4274cf8621b368416952b78b
15. 0x1a74ed3b3756b9cd946da49701bcec120ec88645013da99fa9eea60b39e1a570
16. 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae