Evidence row 71647

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://bio.halowerk.com/v1/allergen-epitope"
    ]
  ],
  "name": "bio.halowerk.com/v1/allergen-epitope",
  "owner_address": "0x2880edfff13100677bf97a3cbdf3bc34771c4e5e",
  "raw": {
    "accepts": [
      {
        "amount": "4000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "currency": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "asset": "USDC",
          "assetTransferMethod": "eip3009",
          "eip712Domain": {
            "chainId": 8453,
            "name": "USD Coin",
            "verifyingContract": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
            "version": "2"
          },
          "name": "USD Coin",
          "network_name": "Base Mainnet",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E",
        "recipient": "0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E",
        "scheme": "exact"
      }
    ],
    "description": "Builds amino-acid k-mer sets, calculates Jaccard similarity, and finds the highest contiguous identity between each supplied epitope and any equal-length window of the query. It does not predict immune binding, allergenicity, cross-reactivity or clinical risk and cannot replace curated databases or laboratory testing.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "kmer_size": 3,
              "known_epitopes": [
                {
                  "id": "epitope-a",
                  "sequence": "PVYIAG"
                },
                {
                  "id": "epitope-b",
                  "sequence": "LLAVAT"
                }
              ],
              "query_sequence": "MKTLLVLLAVASASVQAAPVYIAGQ"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "kmer_size": {
                      "maximum": 12,
                      "minimum": 2,
                      "type": "integer"
                    },
                    "known_epitopes": {
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "id": {
                            "maxLength": 128,
                            "minLength": 1,
                            "type": "string"
                          },
                          "sequence": {
                            "maxLength": 500,
                            "minLength": 2,
                            "pattern": "^[ACDEFGHIKLMNPQRSTVWY]+$",
                            "type": "string"
                          }
                        },
                        "required": [
                          "id",
                          "sequence"
                        ],
                        "type": "object"
                      },
                      "maxItems": 200,
                      "minItems": 1,
                      "type": "array"
                    },
                    "query_sequence": {
                      "maxLength": 10000,
                      "minLength": 2,
                      "pattern": "^[ACDEFGHIKLMNPQRSTVWY]+$",
                      "type": "string"
                    }
                  },
                  "required": [
                    "query_sequence",
                    "known_epitopes",
                    "kmer_size"
                  ],
                  "type": "object"
                },
                "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"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-25T18:49:29.825Z",
    "quality": {
      "l30DaysTotalCalls": 5,
      "l30DaysUniquePayers": 5,
      "lastCalledAt": "2026-10-25T18:49:29.418Z"
    },
    "resource": "https://bio.halowerk.com/v1/allergen-epitope",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Builds amino-acid k-mer sets, calculates Jaccard similarity, and finds the highest contiguous identity between each supplied epitope and any equal-length window of the query. It does not predict immune binding, allergenicity, cross-reactivity or clinical risk and cannot replace curated databases or laboratory testing."
}

What the leaf hashes

{"body":"3a0cfaf474959011875cf846ecbfd5bf2cc616be12a4e70e79ecbd07c3091b45","id":71647,"kind":"listing","method":"baseline/1","observed_us":1793025483048081,"prev":null,"subject":"x402_bazaar:https://bio.halowerk.com/v1/allergen-epitope","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. 0x5faf66f4ac7a2660696a076b7b94539a0dc3236b56c513474bf49e90511aa63b
2. 0x86a0dbbdced48615892ef5fb2ecab6f01426bd5b73c30fdd6aea85a25e837e72
3. 0x5435d288364dab48d3ac4f54540f875d0d874690b7b3a21f74cf8d138140a46a
4. 0xc741e8cde02ced0cfb13492bb8963595d66b639879915405adb95ac8e2257d30
5. 0x3571ed8b8620720daef21e16a2e3ece0fa68c4aa380264485f6bf9af93050058
6. 0xc4b3bc03bf2a271107694e85f916088ddc3c16f673d024391c2583119fa0ae9a
7. 0x615801bbadc87d63ccb6df2d1503a2f4189fd90b60d73da69c5410bcf8c64c60
8. 0xa95040a653ba7c99a6e8792c30c4155ce61a82495bd6690d075ab632ea588716
9. 0x32a6ebd5dcfb4231ea0ecc75ccc6c29a39771dcea84f7adfccbf329fb0e4daeb
10. 0x360237a2ff9bba9982b36dddf68bf6bc616012537d41d3a91a43fe37caee345d
11. 0xa50fca837a4f035829bddff38d023aff0ec4482f9bb5df60ea5b321b01e3e922
12. 0xf4e3bedc99674db9d8ab4bc7655992ec76f822b327e6c89599b0baa3756fbd19
13. 0x89fcaf55e37dd777228f271b79ea895534a66ec0d184363c2a6eb1b4d23c9ef1
14. 0x216cebb9ae5414599109a02297c4817d7d1c6b1394afeb97efe38e32f0053974
15. 0x7726154b91b2ad65b13849ef6cb6443b1f0ff113a3089c9bd5f2bcfc16be099d
16. 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae