Evidence row 392079

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": "2026-10-27T01:12:28.156183Z",
        "status": "active",
        "statusChangedAt": "2026-10-27T01:12:28.156183Z",
        "updatedAt": "2026-10-27T01:12:28.156183Z"
      }
    },
    "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": "0.3.2"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "mcp",
        "url": "https://github.com/SQLazy/tabularium"
      },
      "title": "Tabularium",
      "version": "0.3.2",
      "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":"20acffdf8e2a0e2766b18165aebf32867e4edd94995e634c60f7da35bfee0d1e","id":392079,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793066566463009,"prev":314506,"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. 0x70fd28050333d70654c93c6fbe731d0475bf293d995c65387f9b246be1b3beac
2. 0xc4b05c0bc7220eaf3a9f9d4a11f4c3443f25b82d1db3e3301845ba191b5cd479
3. 0xe9fadc383ab4716f4ad514354aff10fd8c14f8f21be7a852cb58797b159cb7b2
4. 0x505891063f8d62419a0f3768d3f82a9641e0f953970c42eae07fbd59bc090e31
5. 0x4931540df0c15d4342c611a10c8d9062398f0526d127d70fb934f5a1e12cb283
6. 0x9ba5a69bbc06052c4d777c6e59ac92b2e5db2afa97a6517639363acacb45bb36
7. 0x576ff5424f8280fef2e4339b5e545e5f8be2148066cf25658b241eb552812d3e
8. 0x1005334f457a55a37a682f87fa8171c81e1264fe084893794cd3b8e81e3c243d
9. 0xba140535f6e18ceb43e0655b3faf1c067bfe29646771645cc88f653528d3afeb
10. 0x02b55bab59340b62675e0dca5f5a37860557b1384e60340fe5afdef2a3f65d9f
11. 0x95c0df7fc0477722ad83a4634b422a1cfaabb7e80a9eb5e4018684b65fb2f9b6
12. 0x4150865dc22c5026ab3aaed78166c00f6d1d55d60deb27596b675ffe296e1e81
13. 0x2926e99aefa0ff2e14a67a3ae10a7f6e753ce4b799c6fe531f8cbf8d33b31a66
14. 0xb2ae53d841a55a805fb4078b1a7d44e08a81aba4be3690bac3a5b4c366bf39da
15. 0x275720ecabb68df33eee92ae4fd70572a8d952d6c61c061c2869cfc3217aa5c5
16. 0x23cf9bb4337ee8be7fcae368fd69d24c62c11fb45882127b4cd919bb96a19996
17. 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4