Evidence row 424729

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": "2026-10-27T01:44:25.958Z",
    "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":"a60273e7b915a7ced980d195e978686068ac16bf6097641521df7df336c66145","id":424729,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793086084870168,"prev":406959,"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. 0xc9a4ccf0b533f829661806d6bdc8b545e6bce3493002521b7f37a0ba6accf39e
2. 0xe30cfdb5db28ea0d9bf882657da844cfe4f3e3915fd9e709b22908aa25cf3571
3. 0x3b554e2f9a6312c52e5e24d9e13fd7ae0a2c607fb8ae05b0cd40dd801f822639
4. 0xfa65e15fc456f530ee9cb7151becb9ba52c1f091bc15db2e3fbec005f3d38973
5. 0xcb4d65ebeb62a0efc4894d54a22bff74db27c6e9ae65c58316752c1f040a85ef
6. 0x96077e43670716aae4d42bf17a8bd7b02dbb8b628e7a5dd17c0e42b9fb53342c
7. 0xb0c88d1bce20b40896b57abcb1a0a35edf9b16132ba9cd187a8e407c96e787cc
8. 0x31d1cac1c390915b8b1a030b185db1c50b3f296914ae3ed12f884db813e33650
9. 0x00ed76e5074169d955eb99a9e1655ce137b511f08199f5e753af2fb43e5f8ee7
10. 0xab6aa42ff70ef9b1bb0432341341797bcdc6c7977be485231550b0a2006a6579
11. 0x2cf261bd2238b74a95bc8d9823ad293037abc046c04aeff157cde0c97263ed73
12. 0xd16d7e5f125e1d777c4add2d34626605aa2a6b03288469395f9c1f401de8e9e1
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