Evidence row 24565

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://cairn.ink/api/mcp"
    ],
    [
      "web",
      "https://cairn.ink/"
    ]
  ],
  "name": "Cairn.ink Memory",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-09-25T18:21:36.740464Z",
        "status": "active",
        "statusChangedAt": "2026-09-25T18:21:36.740464Z",
        "updatedAt": "2026-09-25T18:21:36.740464Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Cross-session memory for AI agents with a Source Receipt for every memory, over MCP.",
      "name": "ink.cairn/memory",
      "remotes": [
        {
          "headers": [
            {
              "description": "Optional. Bearer <personal access token> from https://cairn.ink/settings/tokens. Clients that support OAuth discover authentication automatically and can omit this header.",
              "isSecret": true,
              "name": "Authorization"
            }
          ],
          "type": "streamable-http",
          "url": "https://cairn.ink/api/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/Cairn-ink/cairn-memory"
      },
      "title": "Cairn.ink Memory",
      "version": "0.1.0",
      "websiteUrl": "https://cairn.ink"
    }
  },
  "source": "mcp_registry",
  "summary": "Cross-session memory for AI agents with a Source Receipt for every memory, over MCP."
}

What the leaf hashes

{"body":"32ba2b3598d1ddbd44281fe7721380369ea08af7e892830b177c4bad40e64197","id":24565,"kind":"listing","method":"baseline/1","observed_us":1793025352785961,"prev":null,"subject":"mcp_registry:ink.cairn/memory","subject_kind":"source_record"}

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. 0x34b101ea7890a30bb7c79f0c7612b2a4275aec4e76a77e8b92a3f14041f078a4
2. 0x688eb8e68231a3c222e684ccd7615c8244f760f39ae3737ed47e5bdb888d9dfa
3. 0x24d9ca248434110f3c3854d60127be79d6ccb45f344a8161bdb28e454ca0028a
4. 0x49aae7257697343eb92ddde16b4b8390c3a6782d65e47b6c4b2936bfa654c4cd
5. 0xdd762efe4d9d67c21e3162161556325643a2d135c4760bcfa9e0edb803e4f158
6. 0xc78a31e559fac963f4d9aad90dda711fd6d8b937ed55b85cd76e32e6648f6842
7. 0xc10d04e4fd735e53576bc49f85ad16152ad5cfb4af6651aaf72e202eb2ab9bed
8. 0xd641dde0122198007109ddc36ad4b56d5079a2cd10a3e4f380db6a15e62fdfec
9. 0x3537bcc0126ddadc2e072f30c37b0f6cb1dbefbeae94bf944efdd820414ab30f
10. 0x852ba002507b16449e45904851c68e7f0b59aa6069ac1ae74dc557389e7c7646
11. 0x5b8798d4cefad64becd1c03dfc4c9f7111db423ab06ea3f8878316222a2b26de
12. 0xe57be1a98d96d75db9e9d2122794eabebfd735dea66e9d16ca63347243b3d483
13. 0x08de74b7fb265ddb83e4c673da8a94e5f71829b2e6e7464c71c5138e450f2217
14. 0x4338355a835617a26aa0bfcc971e84eb030d84e2aa840e3c8af958921dd080c7
15. 0x610738e0c43687aded83c613c73de8b5226c73c375858a167436461c522ea213
16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae