Evidence row 3970866

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://x402.professorsausages.com/news/headlines"
    ]
  ],
  "name": "Multi-Source News",
  "owner_address": "0x54ebfcf3870439b9db62381848c5dabc05c70d5b",
  "raw": {
    "accepts": [
      {
        "amount": "20000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "eip155:8453",
        "payTo": "0x54ebFCF3870439B9db62381848c5DabC05c70d5B",
        "scheme": "exact"
      }
    ],
    "description": "Newest headlines from a deduped, tiered 972-feed direct portfolio (primary sources + wires/majors + trade press + Hacker News + gated GDELT), newest first, up to 100 per call — filter by category, source, and language; every article carries tier, categories, summary/author/image when present, and a provenance-labelled tone",
    "extensions": {
      "bazaar": {
        "category": "news",
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "category": "technology",
              "lang": "en",
              "limit": "10",
              "since": "2026-07-21T00:00:00Z",
              "source": "rss"
            },
            "type": "http"
          }
        },
        "routeTemplate": "https://x402.professorsausages.com/news/headlines",
        "schema": {
          "properties": {
            "input": {
              "properties": {
                "queryParams": {
                  "properties": {
                    "category": {
                      "description": "Restrict to one topical category.",
                      "enum": [
                        "world",
                        "business",
                        "technology",
                        "ai",
                        "crypto",
                        "nft",
                        "markets",
                        "health",
                        "science",
                        "energy",
                        "politics",
                        "climate",
                        "sports",
                        "general"
                      ],
                      "type": "string"
                    },
                    "lang": {
                      "description": "ISO-639-1 language code.",
                      "type": "string"
                    },
                    "limit": {
                      "description": "How many articles to return.",
                      "type": "string"
                    },
                    "since": {
                      "description": "Only articles ingested (seen_at) after this point: an ISO date-time, or the next_cursor from your previous answer.",
                      "type": "string"
                    },
                    "source": {
                      "description": "Restrict to one ingestion source. `push:<channel>` is a relayed pointer — the record is the linked publisher's article and `via` names the account that relayed it. gnews is retired (archived articles only).",
                      "enum": [
                        "gdelt",
                        "hn",
                        "rss",
                        "gnews",
                        "sitemap",
                        "push:websub",
                        "push:jetstream",
                        "push:mastodon",
                        "push:youtube",
                        "push:email",
                        "push:newsletter",
                        "push:rsscloud"
                      ],
                      "type": "string"
                    }
                  },
                  "type": "object"
                }
              },
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      },
      "help": {
        "docs": "https://x402.professorsausages.com/news",
        "example": "https://x402.professorsausages.com/news/headlines",
        "openapi": "https://x402.professorsausages.com/news/openapi.json",
        "sample": "https://x402.professorsausages.com/news/sample"
      }
    },
    "lastUpdated": "2026-11-07T11:24:03.78Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-11-07T11:24:03.22Z"
    },
    "resource": "https://x402.professorsausages.com/news/headlines",
    "serviceName": "Multi-Source News",
    "tags": [
      "news",
      "headlines",
      "search",
      "sentiment",
      "gdelt"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Newest headlines from a deduped, tiered 972-feed direct portfolio (primary sources + wires/majors + trade press + Hacker News + gated GDELT), newest first, up to 100 per call — filter by category, source, and language; every article carries tier, categories, summary/author/image when present, and a provenance-labelled tone"
}

What the leaf hashes

{"body":"a856051ca4ccb3527f5936addaadf4f6b88eec61d378d67e27990787a28f9cf2","id":3970866,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1794083668720665,"prev":3770499,"subject":"x402_bazaar:https://x402.professorsausages.com/news/headlines","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-07 (195826 rows).

1. 0xfbd218a3eef35bde54c4cbf6388d0812bacfcc8dd44ddb8ae54e6dcf55a4544e
2. 0x01d71f72afa2e6e7d2628bf394cc4e3f0200eb5ab34a946c8295f26dcdaf0673
3. 0x3c48ecaf5e2df45e5a6eadf3b57ddded76bfb833e214b1b6454805c785056eef
4. 0xcd73b28178607627c9e009b3b24c4ae28675a01dcb89277f8386c7bf17cbc9c2
5. 0x61804c5e736f851feffb21b6a3cce6710f1688487a58d3b15688f18ac9d222e2
6. 0x12eda8025ad4b06503d77f5fa583081fa21291ec59fe1f68a1f2944a8bd68463
7. 0x900b999a9aa0f1b995b3ada12803111f117375eb09e8b5514cccd98115af3994
8. 0xe3a1e26949fa75af9f45056dce2fb7ccffc09b7ae3746641600491a308c57ea7
9. 0xc6a4589539d9328f8d6f0193ae6c426c7aba5b1005a68482f0abb0624d0b76b7
10. 0xe5fde2b780af35f617b3dd8be22c40687d3b08cb18f5ba4491641b740c73b7d2
11. 0x2c971451a9e4a80d6f773f777318d9b76404c989136ad049c049c8b6b80ec101
12. 0x83f6de5e03354a833ade3c1ee288bb8a7f24196e578c04bd33962a8c4d736060
13. 0x9b2f897a7c7df5caf571ae836357f1a799a3231d5d70ab0cda89db6e4f10d727
14. 0x2f1bda65dd8929924c1dad6e9e29ab36a1b8cb4eed65c97434b87bf8d5cca017
15. 0xb6dc07358d0932b83c713d4c82df6764849db6e58ee1c7cbc06d03f381a6b36b
16. 0xbb3be27e5da5ccad91ce4674c6eac53275c0832f3885b89533d2be65d38f2fc6
17. 0x9ea7c2ecc6985da4b761b0f9096b7858b3ac8e3e47717c3840537fb2ff31c6df

Day root

0x17da9e85e1b138541355d33543ff34e3503cd3a49d37728fb53643e2a0416a2d

Chained

0xed34bd4af17282643de8cb9591c84d0aa1b39e1e9ae9864941e543f5a15718cb

Published

On Arc Testnet, block 71280839: 0xc3f6784179e0ca32236ba89472473e882a81d03fcc5ce27ca58ded2e01e112aa