Evidence row 407635

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://tabularium.matt-3e0.workers.dev/renew"
    ]
  ],
  "name": "Tabularium",
  "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": "Extends the paying wallet's workspace by 30 days from the later of now or its expiry.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {},
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "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": {
                "body": {
                  "properties": {},
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-27T01:24:52.842Z",
    "quality": {
      "l30DaysTotalCalls": 4,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-26T23:24:22.305Z"
    },
    "resource": "https://tabularium.matt-3e0.workers.dev/renew",
    "serviceName": "Tabularium",
    "tags": [
      "agent-memory",
      "storage",
      "verifiable",
      "hash-chain",
      "key-value"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Extends the paying wallet's workspace by 30 days from the later of now or its expiry."
}

What the leaf hashes

{"body":"da5a3c7a58b8425a6ae60594d87d1b4f4bae52df67db9f4ca9cea353e35a5d13","id":407635,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793080250557156,"prev":null,"subject":"x402_bazaar:https://tabularium.matt-3e0.workers.dev/renew","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0xee0bf5a48edc7bea1b5241454416cf6d304505538e2d0c7d6972e3784d25e5f6
2. 0x0353ae09bfa731430a7333e7c1035db58e004d9e8159c9d3b64136dcf949e677
3. 0x08e27ec9ac6bc8acd9519b6e387a0208f21595fcfc37b789cc2d906f369d5056
4. 0xd78ad86d5af734b768a4a32a830b988bb5e6322d658a436b4b2747245c916baa
5. 0xc48738a26c408e135beebaebc3ee9e8d59232b3f3ee8943a324d684faa7846df
6. 0x22d07d613a63cc69454018491073d8c09f590c124ee4aacb6b5bfcabfe2d739e
7. 0x282134a2933a3c7ff16bb2fed97c111484c47b2b4b8b26dd9974cde4a822e4f5
8. 0xdf99694ac4c2728e91acff62b137eaf96231f1993fe2ad120817dec0eb6d4913
9. 0x6b13013cfc7e90189bee7c0cdb6d4eeb70e36e856a1d393f832568fc5dc0cdd3
10. 0x53dd8a742edb94a3b574c5281a3c022dbe268317337a0d1ffedadf0d3152ba2b
11. 0x0b0afb970cc4dd303f81a7bca725240fbf997f90012669fbf6388ef7a51b9294
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