Evidence row 121366

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://signalsfeed.com/api/v1/macro"
    ]
  ],
  "name": "signalsfeed.com/api/v1/macro",
  "owner_address": "0xcde02cb53da623d929fef26d56c1cd9ddc9ca880",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "description": "Macroeconomic indicators API for AI agents. Covers GDP, CPI, inflation, unemployment, interest rates, treasury yields, central bank policy, commodities, and geopolitical risk. Structured signals with credibility scoring. Pay-per-request via x402; free discovery available.",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "freeAlternative": {
          "description": "Discover premium-ready signal IDs before paying.",
          "method": "GET",
          "url": "https://signalsfeed.com/api/v1/macro?since=2026-05-10T00:00:00Z&quality_status=premium&limit=20"
        },
        "maxAmountRequired": "10000",
        "maxTimeoutSeconds": 300,
        "mimeType": "application/json",
        "network": "eip155:8453",
        "payTo": "0xcde02cB53DA623D929FEf26d56C1cD9Ddc9ca880",
        "pricing": {
          "amountUsd": 0.01,
          "currency": "USDC",
          "description": "$0.01 per paid request, returns up to 20 full signals.",
          "unit": "request"
        },
        "resource": "https://signalsfeed.com/api/v1/macro",
        "scheme": "exact"
      }
    ],
    "description": "Macroeconomic indicators API for AI agents. Covers GDP, CPI, inflation, unemployment, interest rates, treasury yields, central bank policy, commodities, and geopolitical risk. Structured signals with credibility scoring. Pay-per-request via x402; free discovery available.",
    "extensions": {
      "bazaar": {
        "category": "finance",
        "description": "Source-backed macro signals for AI agents. Free discovery returns premium-ready IDs; one x402 payment unlocks full signal evidence.",
        "discoverable": true,
        "info": {
          "freeDiscovery": {
            "description": "Discover recent SignalsFeed signal IDs for free before paying for full premium signals.",
            "method": "GET",
            "path": "/api/v1/feed",
            "queryParams": {
              "domain": "macro",
              "limit": 20,
              "quality_status": "premium",
              "since": "2026-05-10T00:00:00Z"
            },
            "type": "http",
            "url": "https://signalsfeed.com/api/v1/macro?since=2026-05-10T00:00:00Z&quality_status=premium&limit=20"
          },
          "input": {
            "method": "GET",
            "queryParams": {
              "ids": "652fc5d4-07dc-4c7a-a067-04b399a994ed",
              "limit": 1
            },
            "type": "http"
          },
          "instructions": "Call the freeDiscovery URL first, then pay for GET ?ids=<uuid,uuid>. One payment returns up to 20 full premium signals.",
          "output": {
            "example": {
              "count": 0,
              "format": "full",
              "signals": []
            },
            "type": "json"
          },
          "useCases": [
            "get the latest US GDP growth estimate and revision notes",
            "look up current CPI and inflation rate trends",
            "monitor Federal Reserve interest rate decisions and Fed speaker commentary",
            "fetch oil and energy commodity supply shock signals"
          ]
        },
        "name": "SignalsFeed Macro Intelligence Feed",
        "resource": {
          "description": "Macroeconomic indicators API for AI agents. Covers GDP, CPI, inflation, unemployment, interest rates, treasury yields, central bank policy, commodities, and geopolitical risk. Structured signals with credibility scoring. Pay-per-request via x402; free discovery available.",
          "mimeType": "application/json",
          "url": "https://signalsfeed.com/api/v1/macro"
        },
        "schema": {
          "properties": {
            "input": {
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {},
                  "type": "object"
                },
                "queryParams": {
                  "additionalProperties": false,
                  "properties": {
                    "ids": {
                      "description": "Comma-separated article UUIDs. Max 20 per paid request.",
                      "type": "string"
                    },
                    "limit": {
                      "default": 20,
                      "maximum": 20,
                      "minimum": 1,
                      "type": "integer"
                    }
                  },
                  "required": [
                    "ids"
                  ],
                  "type": "object"
                }
              }
            },
            "output": {
              "properties": {
                "example": {
                  "count": 0,
                  "format": "full",
                  "signals": []
                }
              }
            }
          }
        },
        "tags": [
          "macro",
          "finance",
          "signals",
          "x402"
        ]
      }
    },
    "lastUpdated": "2026-10-12T01:10:30.302Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-12T01:10:29.82Z"
    },
    "resource": "https://signalsfeed.com/api/v1/macro",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Macroeconomic indicators API for AI agents. Covers GDP, CPI, inflation, unemployment, interest rates, treasury yields, central bank policy, commodities, and geopolitical risk. Structured signals with credibility scoring. Pay-per-request via x402; free discovery available."
}

What the leaf hashes

{"body":"6ee2ca66a4999205356378f092f67cd0f44cc519cff6951c54f8e8ed234df84d","id":121366,"kind":"listing","method":"baseline/1","observed_us":1793025619809708,"prev":null,"subject":"x402_bazaar:https://signalsfeed.com/api/v1/macro","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0xc5e815992fc88ecc5fc12b1b18aceb3aebfde175ef77df9d6ad96c1133b7cb45
2. 0x89d4c64fa97f1a24d8aa6fda34ceec86d108210df3ca8df125532025db5bcca0
3. 0xb905b2490f5b04a8b8c51cd138a3e856e687498f6061b269f6e69f5b1c42633f
4. 0x4267b13437ba8cb06b800567248027a2f86b36e440bacaf4a3a201ba95e90d06
5. 0x635c2f603b10a6480002d82111493755d829efb1e47408754c05005b92891dad
6. 0xfc6da9d277fa9c3abf2458a09fd9c550f87e791e761d8a22183b2f5f0f728b98
7. 0x852e0c1d02af20edff375668e3676d454b46a95882967af04b5eaf5a8f5120e8
8. 0x30721acbe322c75d4ce2927644b58489c3027d36792692da6cb56c322958d680
9. 0xbca5b2718549f1149bad8567f3fc1eeb3cf3851551a251b711ea91d2f549275b
10. 0x4a766015a1173570ffc438320afd677a41ae92be39f86b768798615ce79c79a4
11. 0xd2a07d39f43cc6c0a549d9e0f8d8244992bef3f66efa78aea10852590e0fc7dd
12. 0x4d1a020de7fc0aa076daeb62ebb904d51ac6c607b605eb63a7855f34d7b69f1b
13. 0x641fba1f23ec69d96721e34ace1926954d835b9614cb5eae215a069c056399b8
14. 0xdbe2e8dd65ea1248b2936612538f18268abd5cf27ebdab3737694571ad496004
15. 0x9f68b5e15459cb62b8c0cd4c124fa61c74147b4a5755a200fbecd21a581635d1
16. 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae