Evidence row 547664

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": "2026-10-27T20:18:16.641Z",
    "quality": {
      "l30DaysTotalCalls": 6,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-27T01:24:52.716Z"
    },
    "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":"c6eb9c7545d6cfa0474407601732cf5d461c9775648aaed7f1bc10fa8709f551","id":547664,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793133214475127,"prev":425458,"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. 0xcb38cfdd363411ed4dc0a5daace1fd47980253b767458f620bc9e3e3f26f0ec3
2. 0x5bd4212e066cc5528bb566d0450477ad649a3231c54051899c27b1f429470261
3. 0x615b9cf21b2b5f0f505e6fdd34c127ca2806d82ccc87d821af4e0e2540c25f86
4. 0x11deee18ebe14ef5e5d78c294574227538cc30f3ea372ce001c0c28a8493a33e
5. 0xc9e76a12ae2329f9fb1d6f1ebd6cf52cd1526bf800679dc48a08d69e6c269f59
6. 0xf8429e8d86ab6e8dc070d5a810b201cd342fe226fd6f1020e041389dc227c5e3
7. 0x09a71ce098a9297106df2482cf2873cfb9c7ff05eafb566dc1c45395e059187b
8. 0x671f31f023ea5da56d9af86a5d92ab7494ce7447ae607923bfa8b7cd805fe3f2
9. 0x82010e64a7158aa44b3092534c3455a195fb8dde6239a57fed2946c54cfc2fae
10. 0x5d474dbd48c9c0892209bdbe900f82ac004a9acdaec1f61fadcad5115a3a2ca1
11. 0x95fd8dbb624ecc6822c359ba43d046675a49c3d9c33da7908f9d847fea4eb0f8
12. 0x7142f07ffeddbd14ceabecb9ab27a468e9ab58a2fca5472c5c6a93f3e98f173e
13. 0x938752e9acd199cd15f468392bc2dd8eefc52293e7144e30b87b241ca6b2513b
14. 0xcc49fd573532e5a29f5be4033f62a2eff71456c020bd2258312b98e95cfe301e
15. 0x969cd44e5a4e8dc3110540398fbf689659eb51df735c1cda5d8f021ef9ff5683
16. 0xa94627de1af0e823832e05a9069b304ecccb8c0cdb8f9cfc4f2039bfb9799dc5
17. 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4