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Evidence row 117725

Observed , by baseline/1.

Kind
listing
About
source_record x402_bazaar:https://opendata402.com/v1/time
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
2eb0dd6293468457451a1d798aca122c592757e402e46ca9f1250b715eb77ef7
Leaf
0x558015db94564fb0eaf3db0b4125758640f65de14dfadd629ebb8dcf957c5f8f

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://opendata402.com/v1/time"
    ]
  ],
  "name": "opendata402",
  "owner_address": "0x295aa6c5a3460a0f8755823c8ee7bbc7caf79fb1",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 30,
        "network": "eip155:8453",
        "payTo": "0x295AA6c5a3460A0f8755823C8eE7bBC7CAf79fb1",
        "scheme": "exact"
      },
      {
        "amount": "1000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 30,
        "network": "eip155:137",
        "payTo": "0x295AA6c5a3460A0f8755823C8eE7bBC7CAf79fb1",
        "scheme": "exact"
      },
      {
        "amount": "1000",
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 30,
        "network": "eip155:42161",
        "payTo": "0x295AA6c5a3460A0f8755823C8eE7bBC7CAf79fb1",
        "scheme": "exact"
      }
    ],
    "description": "Current local time, UTC offset and daylight-saving status for any IANA time zone (e.g. Europe/Amsterdam, America/New_York, Asia/Tokyo), plus the next DST transition within a year. Computed from the IANA time zone database. Use it for scheduling across time zones and for agents that need a trustworthy clock.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "tz": "Europe/Amsterdam"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "dst": true,
              "local": "2026-10-14T10:12:03",
              "next_transition": "2026-10-25T01:00:00Z",
              "tz": "Europe/Amsterdam",
              "utc_offset": "+02:00"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "tz": {
                      "description": "IANA time zone.",
                      "pattern": "^[A-Za-z_]+(/[A-Za-z0-9_+-]+){0,2}$",
                      "type": "string"
                    }
                  },
                  "required": [
                    "tz"
                  ],
                  "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": "2026-10-14T22:34:09.534Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-14T22:34:09.232Z"
    },
    "resource": "https://opendata402.com/v1/time",
    "serviceName": "opendata402",
    "tags": [
      "time",
      "timezone",
      "clock",
      "dst",
      "iana"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Current local time, UTC offset and daylight-saving status for any IANA time zone (e.g. Europe/Amsterdam, America/New_York, Asia/Tokyo), plus the next DST transition within a year. Computed from the IANA time zone database. Use it for scheduling across time zones and for agents that need a trustworthy clock."
}

What the leaf hashes

{"body":"2eb0dd6293468457451a1d798aca122c592757e402e46ca9f1250b715eb77ef7","id":117725,"kind":"listing","method":"baseline/1","observed_us":1793025611823498,"prev":null,"subject":"x402_bazaar:https://opendata402.com/v1/time","subject_kind":"source_record"}

Proof

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

  1. 0x557fde0b946ec4bd65436c9d1f69119cadaef00fcec23d46e41731c489f522bf
  2. 0x13642d1a0caee1d89b31358d7a33595d99a75d2e663c29cd81235c12579d6db9
  3. 0x4bef858613380df1ebff34a4d162b41265c9ced93c22ddd017cf116e83cde8bf
  4. 0xa315fcc10487d84fad124e28a0b9a1de97c1ce9eff9eb6c866279944381b4c2a
  5. 0x3d720b00b23f2c2c12ca23fca0d4d437a38b31e6eb07b71d7ce45d2849a7f4d2
  6. 0x4f254382daef5d0e024f82ec8f09420ac153faca5a6b1621f9b3b991560d171c
  7. 0x400ff2ad4d070d7ceed0728779204b37e27fc358a5cad3a0895f6e9358af5c79
  8. 0x48eff91e31b268c2f696a72398d8eac2a43188f7adaaae4ea5364de7b0f24905
  9. 0xce924502cfecfcbe485d669976b6dfbe8bfd31277d9c5e33ad7bb25f24242a87
  10. 0x3cadb5d542cc300f6ebf63e414bcbe7c2b0a33fbf3c4f33cede757b58d44eba1
  11. 0x8bfd0cb3fe1b89aff78054dc0373bbd54ebd61d68eb05854663a1667ccf265ff
  12. 0x31b890f57b06aeb1ca9fb0cdc688bb75678ab9b2ff8ba49765e3d7bc0ae98597
  13. 0x8ba3430866b4c11cea7eba9923ee4fa8a5074849df417006e4441426c1f13056
  14. 0x5cdeb4648502e0633d01cc4f3379d48cccb9d4f528565b2868eb93db0df9e829
  15. 0x7726154b91b2ad65b13849ef6cb6443b1f0ff113a3089c9bd5f2bcfc16be099d
  16. 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
  17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
  18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON