Evidence row 572864

What was observed

{
  "endpoints": [
    [
      "web",
      "https://github.com/SQLazy/tabularium/tree/main/mcp"
    ]
  ],
  "name": "Tabularium",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-27T21:56:08.749961Z",
        "status": "active",
        "statusChangedAt": "2026-10-27T21:56:08.749961Z",
        "updatedAt": "2026-10-27T21:56:08.749961Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Agent memory and a signed spending ledger: pay any x402 API, keep a provable receipt.",
      "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"
            },
            {
              "default": "0.10",
              "description": "tabularium_pay: most one purchase may cost, in USD (ceiling 0.50)",
              "name": "TABULARIUM_PAY_MAX_USD"
            },
            {
              "description": "tabularium_pay: comma-separated networks it may pay on; default is the service's own network. eip155:8453 is mainnet (real money).",
              "name": "TABULARIUM_PAY_NETWORKS"
            },
            {
              "description": "Optional pinned Ed25519 signing key (hex) that exports must verify against",
              "name": "TABULARIUM_PUBKEY"
            }
          ],
          "identifier": "tabularium-mcp",
          "registryType": "npm",
          "transport": {
            "type": "stdio"
          },
          "version": "0.5.3"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "mcp",
        "url": "https://github.com/SQLazy/tabularium"
      },
      "title": "Tabularium",
      "version": "0.5.3",
      "websiteUrl": "https://github.com/SQLazy/tabularium/tree/main/mcp#readme"
    }
  },
  "source": "mcp_registry",
  "summary": "Agent memory and a signed spending ledger: pay any x402 API, keep a provable receipt."
}

What the leaf hashes

{"body":"c0e38dc3454f437eb9a94a54eb1bc91abed495d2b1183222bcb66208c8fb20f9","id":572864,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793140863595718,"prev":558070,"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 2026-10-27 (273461 rows).

1. 0xeec5fb086c203fe334773b74ecbd9b24de667554d06f9c905ace9bb4578d7e23
2. 0xe7bd3ff4bb9ece65c2c887f28dd584728e27bdbd916eca1ff9eeea346ef5ed79
3. 0xe19f7d66fb074fa3e729ccae383f1a7921d8d06e5bca64cac36c4c64a6e745fb
4. 0x2441b15044a8597b85e399eba492dce9986321fa0e83de47bcc6003d985f78ae
5. 0xbf19998ba6050762d04600d7022f37b43eff66b7f6abfa8c880475671b293492
6. 0xd8a80540ebb8b4ace772d82866472b38e20441b6a9d3969ce170ce121808667e
7. 0x31462325abc45b8153ab2dfa44883c40a94b5f5ad5b3bc8db6da0495ee18b584
8. 0x2616d8d16efdb6db81b3e9e54834793ea932b31513690bc254f494a280fc4730
9. 0xea0703842e146f38a877f41b7b5d826da0e310267d25a82662764ad9b1a65994
10. 0x7822c4b652255b3b973e1d15069be7538a6a787558f35d1947b363ffe4129717
11. 0x1b4399bae757271424da8a4da03b907adf56af6574a865598cf68ad834ce7e01
12. 0xc0448a83784154aec794ac7a249e46b6f618529dfd246ef492240c5d9b62d921
13. 0xe0ddf3e1c8349b7fe55d4b2a6864486a77de3e3c0e371df44d69aeb837cfd79c
14. 0xce1471491ffb52101d7cd9884cca0fb37a9496f6e8250375054907d24a35d04f
15. 0x56f7109d4cde42492651beb1237c13cdcbf95e6fee2b2482391a2388e04c4629
16. 0x8745bd887f5ce9f7a49558fd2b04cdcd97a05ea9f8a23f62d0e80cb13d328b0f
17. 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4