Evidence row 2634498

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": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-11-02T19:19:54.267Z"
    },
    "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":"d6697943b51fc000c1d16f6437963ff8e17c09da5d4e0cf156f5f19882ec24db","id":2634498,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793734520331186,"prev":2252606,"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 2026-11-03 (425475 rows).

1. 0xb7211a990885f8013e338bdb82451f0a065b53f125dce84fb1e08cc02f4dbc13
2. 0x64c0890752a603464ec2d17ae547e148d69966359b8d6a10732fc1fb8b4bf61a
3. 0xb868941daec4fb019aa345f521988abb27089ae3fe7423316a88e9ae1e491cc6
4. 0x90ffcf81ce6a3ee40cd9440a7c6c47793076241c74e0de7873c576f30ab96954
5. 0x955147f528b1a4b871d11cffd8fc5bba2699ec0e12b4a844d1d44fb703decbfa
6. 0xbb8f215ccdbe57debdab3359bdf110843c210bf3a8a41c733306c5d5d58e4e67
7. 0x3e45bbcd93b7ed771dee1d223ba92b904932d0db4731e4e28da569f2be5b1130
8. 0x8be0ec3440e2a320604e7056a886f745066c9aa485e2e4f7640235ce637c88e4
9. 0x29f567980f4d0d546174b1b0499a00cafcc4aea7237c6ed54d8d309a6a3756e5
10. 0xba55f19e54c9496edce4f2dda9b36ac2e74d14f44689c0bb75a9102504a9b144
11. 0xca726b79aa48bb12e9a6f5b00db6f192a3ed8885576bef820bf55facdccb1ef7
12. 0x8bb39b2edae4644391a8e85d6dacbc2fed4d19418ebd54176b9c88b8a3c2a1cf
13. 0x7177a2d4d7e26d090279db4f09f90547c14d3dfe27b339cb6b3b812ef7172d44
14. 0x28eca58d5790c044814655f49977e8cb478606900cf691de68ba9ce360992057
15. 0xc0bea6c8a0da854513562c1be034edd9e23999e98182b784da3cae0bf2e3890b
16. 0xf8c1a0cdf4ba2eb105bc3e83d2f2b121cab4a34fb5a3846fa592909906f7fdaa
17. 0x39dab39081985bbfffe23b080399a9d1a9cb9c2c8960102350c4212113cb2cba
18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7