Evidence row 451300

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.signalis.dev/v1/pulse/narratives"
    ]
  ],
  "name": "api.signalis.dev/v1/pulse/narratives",
  "owner_address": "0xf444abc53f5e1e73caec7df64d147ddb119514a0",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xf444abc53f5e1e73caec7df64d147ddb119514a0",
        "scheme": "exact"
      }
    ],
    "description": "Paid ($0.01 USDC via x402). Active AI-business narratives with lifecycle stage, driving sources, and momentum. Proxied from the Pulse service. Compute-first / settle-after — you are never charged when Pulse is unavailable or returns an error.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {},
            "type": "http"
          },
          "output": {
            "example": {
              "charged": true,
              "narratives": [
                {
                  "id": 4034,
                  "momentum": 0.71,
                  "stage": "building",
                  "summary": "How founders leverage AI to reshape organizational structure and competitive positioning.",
                  "title": "AI-Native Founder Business Models and Organizational Strategy"
                }
              ]
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {},
                  "required": [],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-27T09:45:06.312Z",
    "quality": {
      "l30DaysTotalCalls": 64,
      "l30DaysUniquePayers": 7,
      "lastCalledAt": "2026-10-27T01:44:25.67Z"
    },
    "resource": "https://api.signalis.dev/v1/pulse/narratives",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Paid ($0.01 USDC via x402). Active AI-business narratives with lifecycle stage, driving sources, and momentum. Proxied from the Pulse service. Compute-first / settle-after — you are never charged when Pulse is unavailable or returns an error."
}

What the leaf hashes

{"body":"930b6ec708bfbac382947186444b728ad6e9cc3c19a0003d3307286b2939fb29","id":451300,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793100493036290,"prev":424729,"subject":"x402_bazaar:https://api.signalis.dev/v1/pulse/narratives","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. 0xed544a4bbc333e4acdb1c34c82898cc439f797f0ad97dec88a5f1e34e90ff69f
2. 0x360368ac880716444be0ebdae8f34d4beefe6dfc42a87e884e3a578495106fe8
3. 0xfb4316ca1cb7981bf952cf4723296fd76cfd08099cd9ec937532f35a91915626
4. 0xdcdb5c5fd7cb9190ed70416befa34000f86f68d1d4688e54f0e855e0aedf9b6a
5. 0x4d95ce576dddf49999d1c8a2bd74550f3590cb83c5baa191ab6b044ec9057afb
6. 0x99b20b74e7d9167695743ae0563105732d0e7aecbdfcae89d8eb441057a9c678
7. 0xade96f1b3b80767dce81a5c2a0479ad5d6abccfe43226727b7c5838fdc2b3843
8. 0x05376c45a8e8fd4993b9a19e39e12af558346ce9258780edbfb194bba6b5b610
9. 0x047641be305aa58742e9c24ce5c236b92ab9a859b5dfd207fbf2624cb08db96b
10. 0xaa641459302adde22dc32481fb241cabfec0126d1840e00062addb5172888cb4
11. 0x0a78a08a4d8ea932d1929a4db7274efa66e37530ebf9892f88bad1aa94953b78
12. 0x1bd815b8c338cfc2bcf769f9c67988a5890577c27b5e900948b5339a99e158a8
13. 0x89602081fbcc80aef8908f5df765767a1a41cc8b089111259ea78e6583a8bc4b
14. 0x41f9f462759cb539183e979fb3eb967d94755cf039c44a64a9a3c4ad97523cfd
15. 0x56f7109d4cde42492651beb1237c13cdcbf95e6fee2b2482391a2388e04c4629
16. 0x8745bd887f5ce9f7a49558fd2b04cdcd97a05ea9f8a23f62d0e80cb13d328b0f
17. 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4