Evidence row 122597

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://tensorfeed.ai/api/premium/policy/timeline"
    ]
  ],
  "name": "tensorfeed.ai/api/premium/policy/timeline",
  "owner_address": "0x549c82e6bfc54bdae9a2073744cbc2af5d1fc6d1",
  "raw": {
    "accepts": [
      {
        "amount": "20000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "resource": "https://tensorfeed.ai/api/premium/policy/timeline",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "eip155:8453",
        "payTo": "0x549c82e6bfc54bdae9a2073744cbc2af5d1fc6d1",
        "resource": "https://tensorfeed.ai/api/premium/policy/timeline",
        "scheme": "exact"
      }
    ],
    "description": "Forward and backward calendar over the AI policy registry. Each entry classified relative to now (past / active / upcoming), days-until-effective, with next-3-milestones for upcoming items. Filter by jurisdiction (EU, US, UK, etc) and time window. The \"what AI rules are about to bite\" feed.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryFields": {
              "days_back": {
                "example": 90,
                "type": "integer"
              },
              "days_forward": {
                "example": 365,
                "type": "integer"
              },
              "jurisdiction": {
                "example": "EU",
                "type": "string"
              }
            },
            "queryParams": {
              "days_back": 90,
              "days_forward": 365,
              "jurisdiction": "EU"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "billing": {
                "credits_charged": 1,
                "credits_remaining": 49
              },
              "capturedAt": "2026-05-23T07:00:00Z",
              "counts": {
                "active": 4,
                "past": 12,
                "upcoming": 9
              },
              "entries": [
                {
                  "days_until_effective": 71,
                  "effective_date": "2026-08-02",
                  "id": "eu-ai-act-gpai-codes",
                  "jurisdiction": "EU",
                  "next_milestones": [
                    {
                      "date": "2026-07-01",
                      "name": "Codes finalized"
                    },
                    {
                      "date": "2026-08-02",
                      "name": "Enforcement begins"
                    }
                  ],
                  "relative_to_now": "upcoming",
                  "source_url": "https://artificialintelligenceact.eu",
                  "title": "EU AI Act: General-Purpose AI codes of practice"
                }
              ],
              "ok": true,
              "window": {
                "days_back": 90,
                "days_forward": 365,
                "jurisdiction": "EU"
              }
            },
            "schema": {
              "properties": {
                "billing": {
                  "properties": {
                    "credits_charged": {
                      "example": 1,
                      "type": "integer"
                    },
                    "credits_remaining": {
                      "example": 49,
                      "type": "integer"
                    }
                  },
                  "type": "object"
                },
                "capturedAt": {
                  "example": "2026-05-23T07:00:00Z",
                  "type": "string"
                },
                "counts": {
                  "properties": {
                    "active": {
                      "example": 4,
                      "type": "integer"
                    },
                    "past": {
                      "example": 12,
                      "type": "integer"
                    },
                    "upcoming": {
                      "example": 9,
                      "type": "integer"
                    }
                  },
                  "type": "object"
                },
                "entries": {
                  "items": {
                    "properties": {
                      "days_until_effective": {
                        "example": 71,
                        "type": "integer"
                      },
                      "effective_date": {
                        "example": "2026-08-02",
                        "type": "string"
                      },
                      "id": {
                        "example": "eu-ai-act-gpai-codes",
                        "type": "string"
                      },
                      "jurisdiction": {
                        "example": "EU",
                        "type": "string"
                      },
                      "next_milestones": {
                        "items": {
                          "properties": {
                            "date": {
                              "example": "2026-07-01",
                              "type": "string"
                            },
                            "name": {
                              "example": "Codes finalized",
                              "type": "string"
                            }
                          },
                          "type": "object"
                        },
                        "type": "array"
                      },
                      "relative_to_now": {
                        "example": "upcoming",
                        "type": "string"
                      },
                      "source_url": {
                        "example": "https://artificialintelligenceact.eu",
                        "type": "string"
                      },
                      "title": {
                        "example": "EU AI Act: General-Purpose AI codes of practice",
                        "type": "string"
                      }
                    },
                    "type": "object"
                  },
                  "type": "array"
                },
                "ok": {
                  "type": "boolean"
                },
                "window": {
                  "properties": {
                    "days_back": {
                      "example": 90,
                      "type": "integer"
                    },
                    "days_forward": {
                      "example": 365,
                      "type": "integer"
                    },
                    "jurisdiction": {
                      "example": "EU",
                      "type": "string"
                    }
                  },
                  "type": "object"
                }
              },
              "type": "object"
            },
            "type": "json"
          }
        },
        "schema": {
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "days_back": {
                      "maximum": 3650,
                      "minimum": 0,
                      "type": "integer"
                    },
                    "days_forward": {
                      "maximum": 3650,
                      "minimum": 0,
                      "type": "integer"
                    },
                    "jurisdiction": {
                      "description": "ISO country/region code or known bloc (EU, US, UK, CN, etc).",
                      "type": "string"
                    }
                  },
                  "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": "2026-05-25T23:11:43.42Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-23T22:54:00.29Z"
    },
    "resource": "https://tensorfeed.ai/api/premium/policy/timeline",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Forward and backward calendar over the AI policy registry. Each entry classified relative to now (past / active / upcoming), days-until-effective, with next-3-milestones for upcoming items. Filter by jurisdiction (EU, US, UK, etc) and time window. The \"what AI rules are about to bite\" feed."
}

What the leaf hashes

{"body":"3e6322b00957da40b63515caee2f35c4fb5b6730c9bc7f726b6f552dfd12ab63","id":122597,"kind":"listing","method":"baseline/1","observed_us":1793025621809982,"prev":null,"subject":"x402_bazaar:https://tensorfeed.ai/api/premium/policy/timeline","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. 0x7d5530c856f95d626c444b4a28c328cb08af9c670e3d15197f270a2aefe42d78
2. 0xbe8c0ce61516dff9223ce36071643f2116b1f2bc5b8348312d6611915be1d752
3. 0xc9869df379e131f6207ea50b2dd930db8ac13fc27541e079d14f9bc846c65cbb
4. 0xb14c3a15e83004db88769af5a0f2ebfc46fcc442837bb8ca35189aa7e6e601ac
5. 0x97a01191edbc2ba10dd69ddbdb74b79d31a27218ad59ba6b1819e5b3f12793fe
6. 0x68c044998f458a87a1929e55837eeafdc7f220b9b8b79fdcd8ad2386d6085ea0
7. 0x765dfa3268515e9b0db118076e7769e18c9cdb283cc20650119fcee98c7ec98c
8. 0x1cd028513eac1532ee3df02f156de4852cd6c7c32cee939b66c2faf32a7f82ae
9. 0x7cb84485c6b902c49734720bca3a33ab18427e01cb45da3f781a9f5899f3a01c
10. 0x27bb9eefd00206cde7209859f541e1ae68cb3baba4968278bfa6a4028b0fe719
11. 0x05b818019343d04f2973b36329a447f88301721891653961b94822610edda553
12. 0x779c77295186b32da6387dfb36d3a76522e7d713472a7cebed7c93529ccc4be6
13. 0x0bffb634300aa5609bddaa79e8d31d7cde36c0a5a4465472f809b9f5287e40d2
14. 0x7721d38652b6444b18e1193824e50490ade04851ce6221771f6e374c4527d80f
15. 0x15039087bf60ae9b06b756ec3cbc299760e59923a438bbd91e34d105186db0ed
16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae