Evidence row 77400

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://market.561.group/v1/pacing/heart-rate-threshold"
    ]
  ],
  "name": "561-group-hr-threshold",
  "owner_address": "0x32886f6f361c1d570255c2762967a2e41d0e9b1a",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x32886F6F361C1d570255c2762967A2e41D0E9B1a",
        "scheme": "exact"
      }
    ],
    "description": "Heart-Rate Threshold: the Workwell Foundation resting-heart-rate+15bpm pacing-ceiling heuristic, labeled as an unvalidated clinical rule of thumb. Stateless: nothing submitted or computed is stored.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "restingHr": 58
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "ceilingBpm": 73,
              "evidenceStatus": "Workwell Foundation clinical rule of thumb; no validating primary study found (targeted PubMed search, 2026-09-01). Present as an informal heuristic, never as a validated instrument.",
              "formula": "resting heart rate + 15 bpm",
              "restingHr": 58
            },
            "type": "json"
          }
        },
        "routeTemplate": "/v1/pacing/heart-rate-threshold",
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "restingHr": {
                      "description": "Resting heart rate in beats per minute.",
                      "exclusiveMinimum": 0,
                      "type": "number"
                    }
                  },
                  "required": [
                    "restingHr"
                  ]
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST",
                    "PUT",
                    "PATCH"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "ceilingBpm": {
                      "type": "number"
                    },
                    "evidenceStatus": {
                      "type": "string"
                    },
                    "formula": {
                      "type": "string"
                    },
                    "restingHr": {
                      "type": "number"
                    }
                  },
                  "required": [
                    "ceilingBpm",
                    "restingHr",
                    "formula",
                    "evidenceStatus"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      },
      "sign-in-with-x": {
        "info": {
          "domain": "market.561.group",
          "expirationTime": "2026-10-07T16:00:03.247Z",
          "issuedAt": "2026-10-07T15:55:03.247Z",
          "nonce": "13b1657b238c09a5583e31c2cd903e0f",
          "resources": [
            "https://market.561.group/v1/pacing/heart-rate-threshold"
          ],
          "statement": "Sign in to use what this wallet has been granted at market.561.group.",
          "uri": "https://market.561.group/v1/pacing/heart-rate-threshold",
          "version": "1"
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "address": {
              "type": "string"
            },
            "chainId": {
              "type": "string"
            },
            "domain": {
              "type": "string"
            },
            "expirationTime": {
              "type": "string"
            },
            "issuedAt": {
              "type": "string"
            },
            "nonce": {
              "type": "string"
            },
            "notBefore": {
              "type": "string"
            },
            "requestId": {
              "type": "string"
            },
            "signature": {
              "type": "string"
            },
            "statement": {
              "type": "string"
            },
            "type": {
              "type": "string"
            },
            "uri": {
              "type": "string"
            },
            "version": {
              "type": "string"
            }
          },
          "required": [
            "domain",
            "address",
            "uri",
            "version",
            "chainId",
            "type",
            "nonce",
            "issuedAt",
            "signature"
          ],
          "type": "object"
        },
        "supportedChains": [
          {
            "chainId": "eip155:8453",
            "type": "eip191"
          }
        ]
      }
    },
    "lastUpdated": "2026-10-07T15:55:03.365Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-07T15:55:01.972Z"
    },
    "resource": "https://market.561.group/v1/pacing/heart-rate-threshold",
    "serviceName": "561-group-hr-threshold",
    "tags": [
      "pacing",
      "biometric",
      "heart-rate",
      "workwell",
      "heuristic"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Heart-Rate Threshold: the Workwell Foundation resting-heart-rate+15bpm pacing-ceiling heuristic, labeled as an unvalidated clinical rule of thumb. Stateless: nothing submitted or computed is stored."
}

What the leaf hashes

{"body":"9a402c4081cda26e6370faf8b69d918462a7053cbfad0ca1d57070d2da2ec5b4","id":77400,"kind":"listing","method":"baseline/1","observed_us":1793025493927095,"prev":null,"subject":"x402_bazaar:https://market.561.group/v1/pacing/heart-rate-threshold","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. 0x592d91be73e48471c32083cd6238bf2fab295e2ce8c888d9f32bdf8663df78be
2. 0x7830aec9aa1945d92c59e8041475eba03833bd04e1fb1c80374448b91c677842
3. 0x45c3907704df2e3b92bc5171ee5b0342c42fa8398105598d749e14c042a569c5
4. 0x1cfab52686a4e1a63d2f5f389c8145305adf1d3a863fc4d1bf880174f0b3d122
5. 0x7c128835c9c09ec9b22715fd814fbdeb981e9d277657a66bbcac5a6ee7114f2e
6. 0xd6409ba4b8e01665909ae56415b0e941b27bafc146db34bcdd2435561c21e268
7. 0x49583dc30a60716d7e176937ebee91342a2ce250fde72def5e424748d585b681
8. 0xf87a7ec64783cfb91dd7204aab49f00f0b7add530c66c442337a9431d3e2e337
9. 0xd446fb8a293ef659909ea01ca759b213fcef3b2391af4ad20116c641340e19e2
10. 0x299a3ff4761c07d1cb4987908783634f7b9e00f8f10a005c2d99c16a74924a4f
11. 0x049f39c56b6b9cf95e0d9ebf2081f54ac35b4d69ec211e8498958f47d088b46c
12. 0xf522fa92d4115c2b18b96aa43119f8df9b4e96c92f5d6449d0fe96dcd4bf324c
13. 0xc8abb13c711b67d9f1ef145286ed450a0f5566f054a4b290ea3d711873bcbe20
14. 0x5cdeb4648502e0633d01cc4f3379d48cccb9d4f528565b2868eb93db0df9e829
15. 0x7726154b91b2ad65b13849ef6cb6443b1f0ff113a3089c9bd5f2bcfc16be099d
16. 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae