Evidence row 571411

What was observed

{
  "count": 2,
  "tools": [
    {
      "description": "Return REUSE, REFETCH, or UNKNOWN before retrieving a URL again.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "lastSeenAt": {
            "type": "string"
          },
          "toleranceSeconds": {
            "minimum": 0,
            "type": "number"
          },
          "url": {
            "format": "uri",
            "type": "string"
          }
        },
        "required": [
          "url",
          "lastSeenAt"
        ],
        "type": "object"
      },
      "name": "fresh_check"
    },
    {
      "description": "Report privacy-safe freshness metadata from a completed retrieval.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "contentHash": {
            "type": "string"
          },
          "etag": {
            "type": "string"
          },
          "lastModified": {
            "type": "string"
          },
          "observedAt": {
            "type": "string"
          },
          "url": {
            "format": "uri",
            "type": "string"
          }
        },
        "required": [
          "url"
        ],
        "type": "object"
      },
      "name": "fresh_observe"
    }
  ]
}

What the leaf hashes

{"body":"88715c4d5084f09287d1e50e303c70f6da94de166ada5a9f74de2ef69b5e8ea2","id":571411,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793140232014744,"prev":null,"subject":"01f5a58e-3695-4d1b-b9b5-86e111364f76","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. 0xceaa926ec802589d3086d9153ca33259ede446d298aaaf82183dc169a3707509
2. 0x3f891260205c38044fa28fe6352233bb333fcede5c2e4c89ed56cdb636199ef4
3. 0x70360ece4a48bc08bd62857af7e052f3d136de7aa6ad36e9c38ee03469d3ead4
4. 0x31569ab37ba7b1c04ff4741b04d1dec20f6b205fc85777bff4f72fa7267e2c7d
5. 0x39875b382bc3c2a16f25cd11b7700acf75bc34ab26d43dcefb71132f66de9efe
6. 0xeb600e1a3f917b58e83741e6ec65bf02e45994ff42d04330856df2ab031f411a
7. 0xa5eb6b0e44d147a63f21a300f7a411d4f43900b43213d7f7393dd3867166f604
8. 0x7789153047fa3205b0c59ddb117302a8ce0813881c0da8a3da36a2cc4a15103f
9. 0x0162c0207137ec5d486b1aa82ed306e540943e1ba7a2f7cd180876463da5053c
10. 0x30ad798760992f971585707745468508c3c4c2162f5055f071838282d683b944
11. 0x1b795fb9abcd1a676d4c0ff9d91ca003c12e195f5c97f0608cf1bba69a05bb30
12. 0x66e8d9e469038ef11a686abeed12c8ceb38a1a8cd79012ccf20d29a30858cbbc
13. 0xeb77e9d1884bf470f4a13a5869956a83ac37957112a29ccb9e63ddf7791b5a0b
14. 0xcc49fd573532e5a29f5be4033f62a2eff71456c020bd2258312b98e95cfe301e
15. 0x969cd44e5a4e8dc3110540398fbf689659eb51df735c1cda5d8f021ef9ff5683
16. 0xa94627de1af0e823832e05a9069b304ecccb8c0cdb8f9cfc4f2039bfb9799dc5
17. 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4