Evidence row 293997

What was observed

{
  "endpoints": [
    [
      "web",
      "https://github.com/SQLazy/tabulariumx409/tree/main/mcp"
    ]
  ],
  "name": "Tabularium",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-26T20:45:32.400736Z",
        "status": "active",
        "statusChangedAt": "2026-10-26T20:45:32.400736Z",
        "updatedAt": "2026-10-26T20:45:32.400736Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Persistent, hash-chained agent memory. Pay per call in USDC over x402; verify history offline.",
      "name": "io.github.SQLazy/tabularium",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "0x-prefixed EVM private key of the wallet that pays (use a dedicated wallet with a small USDC balance)",
              "isRequired": true,
              "isSecret": true,
              "name": "TABULARIUM_PRIVATE_KEY"
            },
            {
              "default": "1",
              "description": "Spend cap for this server process, in USD",
              "name": "TABULARIUM_MAX_SPEND_USD"
            },
            {
              "description": "Service base URL (defaults to the public deployment)",
              "name": "TABULARIUM_URL"
            },
            {
              "description": "Optional pinned Ed25519 signing key (hex) that exports must verify against",
              "name": "TABULARIUM_PUBKEY"
            }
          ],
          "identifier": "tabularium-mcp",
          "registryType": "npm",
          "transport": {
            "type": "stdio"
          },
          "version": "0.2.0"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "mcp",
        "url": "https://github.com/SQLazy/tabulariumx409"
      },
      "title": "Tabularium",
      "version": "0.2.0",
      "websiteUrl": "https://github.com/SQLazy/tabulariumx409/tree/main/mcp#readme"
    }
  },
  "source": "mcp_registry",
  "summary": "Persistent, hash-chained agent memory. Pay per call in USDC over x402; verify history offline."
}

What the leaf hashes

{"body":"0387925dbd76aeda75eb6594819fa4e366f0dad532aedd30e2d37e88f6681cda","id":293997,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793049820183253,"prev":282889,"subject":"mcp_registry:io.github.SQLazy/tabularium","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. 0x7487e68a963870eeedc20c65c502ba82e0f25abe4c091c87c093715951a252b1
2. 0x50cef3f958311c33699ee38dc228b4c6669848deb83c1d4c75463bbe0b5da67f
3. 0xb50a7376977bc8c3961dab396b54956932c1656a1e89d9bda0d4b4a1d03666db
4. 0x93654da7f4485199c713f32d177987341769b086f8b9e78049e3b790b3fa4e46
5. 0xcda6e1b29417bdc4c2af792e4b3ca6439d657805bb450207d86db24f6299c921
6. 0x0769c455db69b615c83e85ddc00305352795da8696daa76f47d0bda5431e7467
7. 0x6d7025555f2b770b767aaa22b3f9ce431e9cea2a7e51db798f16a4ac9e988d92
8. 0xd69741f9790df436661df4a665375e13611c31e3cacf6bb0d7fc3f771c523cec
9. 0x4536cb9b4ee0e281b6d6c4e8d838ad22d57a82596d7ecf105570e897d69cce29
10. 0xeeb27e00b2f1b77815fcef94bdfe05e33ce9324a8f8948c0770868e4d010c7b9
11. 0x9adfaac1e332051e6999b9b702c6d539c2d639f94fd57735f2ddd441a4b5230c
12. 0x3f193b47c78cf4e7b9e4988cd716854b0e1011e5fcbca161f5a885f1aa02857d
13. 0x06064dc1eb2363bec8c2a752e0a28aafc4bf0cb21d1b1b755821c1575bb77a96
14. 0xc4fe2177880ea1b0e82b6fe4c270090fd0fbe5af3a42a8cbf6a6ba2fa35625f6
15. 0x15039087bf60ae9b06b756ec3cbc299760e59923a438bbd91e34d105186db0ed
16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae