Evidence row 1233589

What was observed

{
  "count": 3,
  "tools": [
    {
      "description": "Create a Stripe Checkout link (£2.99) for the full report on one postcode.",
      "inputSchema": {
        "properties": {
          "postcode": {
            "type": "string"
          }
        },
        "required": [
          "postcode"
        ],
        "type": "object"
      },
      "name": "buy_report_link"
    },
    {
      "description": "PAID (£2.99 one-time). Full UK Postcode Property Report: every nearby Land Registry sale with medians by property type, flood warning/alert areas and live warnings, 3-month crime trend by category, food hygiene ratings nearby, EPC bands, CQC care services, planning applications, nearest school/GP/station/supermarket. JSON + markdown. Needs access_token from /buy (Stripe Checkout). Without a token returns a checkout link.",
      "inputSchema": {
        "properties": {
          "access_token": {
            "description": "Token shown after payment (or send as Authorization: Bearer)",
            "type": "string"
          },
          "postcode": {
            "type": "string"
          }
        },
        "required": [
          "postcode"
        ],
        "type": "object"
      },
      "name": "postcode_report"
    },
    {
      "description": "FREE. Quick property snapshot for one UK postcode: median Land Registry sold price + sales count (3 years, ~800 m), flood band, crimes last month, EPC certificates, amenities within 1 km. Returns a link to buy the full report.",
      "inputSchema": {
        "properties": {
          "postcode": {
            "description": "Full UK postcode, e.g. SW1A 1AA",
            "type": "string"
          }
        },
        "required": [
          "postcode"
        ],
        "type": "object"
      },
      "name": "postcode_summary"
    }
  ]
}

What the leaf hashes

{"body":"ffb5026ce9670d191eb86786a124fbacd6793ffc5f4c94e32c26afddf210c9b4","id":1233589,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793347457637259,"prev":null,"subject":"87cb374c-8350-4eaf-be0d-569ded9731df","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-30 (243099 rows).

1. 0xae4bd599121ba7c3fe4b6d299ffaaf980821039c7f8ad84ae1bdfd5681a4e39b
2. 0x0dc13a6a49e4b1d7b756b881a9010d272c29d89d591da1928e7da8830eb93e1c
3. 0xd069434b19863f9115963c9445b73a8ca39422f2e12e571800ac8e71885924d1
4. 0xfe8126b5a54c1d11ce5a2d03cafb25263bd08e24a984a256c8441bf1b286fe17
5. 0xee7fb9d11d3857a86842d94f509c29dd8a2be0edcc7b49c3889031aa5b991b0a
6. 0xc8989ae675f924e857c50e8b22bbbe67d26f097c6af7e71a6b642f82a8286d47
7. 0x1cc4809457f6aafdf6468c889dbcdf25731726aab60ec190da79df68fcc2ba91
8. 0x5e8f2507dfdabd6ed6b644b38d2a95aaf9e8460de6840542373fbdf6958fb68b
9. 0xde5bc6a3da1f72fca97ad93a640aa8ef1f249bed5f18a9c72745d7d1f845da9a
10. 0x68677d31e0d1f25cdc8595ed11226e22d9cdff43961aa3ff57bfada68f3f25f8
11. 0x0232e2dfdf36663263bef5aa9a8d49a8e16371c1db712ee0dca7211069c7f66f
12. 0xf50221ca652ce2d14481b6c066bd45668186607e6def3b9f0fdefc2c0b32f857
13. 0x0409d601a89a50f7eb5f4894cbcd524cb8f362e2e58241fd0551016000226646
14. 0x4943cf5368ac3124a50a8845e933556cda4f3f7ee527441ef6351afbceee79d8
15. 0xa0b1f6bc1eecfaf70581673c1a7f638b96d1769a5c578c460337f7db0dbe963e
16. 0x0c59b8770d2782eb535aefbb9b2f6810bab4757f51b37e00f5147713a1de9481
17. 0x61ef83255d34604cb052882568ca1d1386ac3cfb8284509715bc1734cff77831
18. 0x0c43c73b62a5d49ee1444b5dc4195fc5b16b141d3f4458e2e9fbd5fd6ecb367d

Day root

0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875

Chained

0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822

Published

On Arc Testnet, block 69923247: 0x8704744146c6967c8abc9e9a99de4db7283b29e840922ea83a69b6fe776e6861