Evidence row 2252606

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://tabularium.matt-3e0.workers.dev/mcp"
    ]
  ],
  "name": "tabularium.matt-3e0.workers.dev/mcp",
  "owner_address": "0x951bd91ad61d2d867f21b54d2f717d8fff4ad28a",
  "raw": {
    "accepts": [
      {
        "amount": "250000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "paymentFlow": "upfront",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "eip155:8453",
        "payTo": "0x951BD91AD61d2D867F21b54D2f717D8FFF4aD28a",
        "scheme": "exact"
      }
    ],
    "description": "Agent memory: keep the paying wallet's persistent key-value store for 30 more days, counted from the later of now or its current expiry. A free pre-check rejects a wallet with no workspace before any charge.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "description": "Agent memory: keep the paying wallet's persistent key-value store for 30 more days, counted from the later of now or its current expiry. A free pre-check rejects a wallet with no workspace before any charge.",
            "example": {},
            "inputSchema": {
              "additionalProperties": false,
              "properties": {},
              "type": "object"
            },
            "toolName": "tabularium_renew",
            "transport": "streamable-http",
            "type": "mcp"
          },
          "output": {
            "example": {
              "entry": {
                "hash": "<sha256 hex of this entry>",
                "key": "",
                "op": "renew",
                "prev": "<hash of entry 2>",
                "seq": 3,
                "ts": 1790000000000,
                "valueHash": "<sha256 hex of the value>"
              },
              "expiresAt": 1795184000000,
              "head": {
                "hash": "<entry hash>",
                "seq": 3,
                "sig": "<base64 Ed25519 signature over the head>"
              },
              "ok": true,
              "wallet": "0x..."
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "description": {
                  "type": "string"
                },
                "example": {
                  "type": "object"
                },
                "inputSchema": {
                  "type": "object"
                },
                "toolName": {
                  "type": "string"
                },
                "transport": {
                  "enum": [
                    "streamable-http"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "mcp",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "toolName",
                "inputSchema"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-02T19:19:55.003Z",
    "quality": {
      "lastCalledAt": "2026-11-02T19:19:55.003Z"
    },
    "resource": "https://tabularium.matt-3e0.workers.dev/mcp#tabularium_renew",
    "type": "mcp",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Agent memory: keep the paying wallet's persistent key-value store for 30 more days, counted from the later of now or its current expiry. A free pre-check rejects a wallet with no workspace before any charge."
}

What the leaf hashes

{"body":"32e71bb3e2a165ae307b74b0f09bd477917167b6c1c05b612dccddf089e92dd9","id":2252606,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793647841246645,"prev":null,"subject":"x402_bazaar:https://tabularium.matt-3e0.workers.dev/mcp#tabularium_renew","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0xaefe84a757dc85bbd07480f2a8c063c2c5c01971582653cacb8d297c8e02bb7d
2. 0xc98308e171cc5cd3c739205bc56b038e7a0400245eac7a90c18c51e63d34a880
3. 0x44e8bfe19d7f239fdb19395e0807d675b78e9710b49827cd48314a091317ac7d
4. 0xfbe4b0631e9c28a155a86d1a741c009b4a72cefcb76da82c32d97e22cde26010
5. 0xaccdd8ba283afc4a16e2ddae454f86113fc6a0069e21da3cd6a1b88e541b8fbb
6. 0x97667d6a6f2cd30fec4223f87b089919d8c0861fa92ac17ad15e7b0e6e7325b7
7. 0xc95f84aa1e10a04c6c654e579e0a62d9fe7a70a6c5ad5c4915b224fa29049a97
8. 0xb8653326978c50ce4d0c5601443be0027349326465acc2ed65974e9ae2d89403
9. 0x4efe1359bf2c8c0c1d465a582beec303af3fde4e974c80ba4292175a27cc7896
10. 0x408705756422872fb74d013d0d778e8c25bd06e0ff0a00cdd967f241bb1910ae
11. 0x3afbe32e2dba45a7b2035f3a2323a5d5f2cd1fcf4a91cbbe61f4e64d0914885d
12. 0x019dcf9ef14ccef70a9013eb1e525d28ee135665e1f6a7649fa663cb42a31a57
13. 0x026aca682cb5dc6926296949fd7c047905eb55f048c3a7c3bfbbb67e9d07fee8
14. 0x2f8469a138f90dfcfc93d4f817bc8f20341a871e08f629fe27a2cd40dbfeb340
15. 0x793184605629cd36ba80a07cbe115ca35e8923297bf024260c6f5c06b255f638
16. 0x2922573a524a0694086782ac45fa3083d3fc3f6a2a479b2105e1e2f06b2916f7
17. 0x07ad80c0c234ecea379a2f4450dfd0804db049dbc62abe77af6306049ca6b6c2
18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af