Evidence row 71653

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://bio.halowerk.com/v1/phage-matching"
    ]
  ],
  "name": "bio.halowerk.com/v1/phage-matching",
  "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": "Slides each caller-supplied spacer over a bounded phage sequence in both orientations, records its minimum Hamming distance and reports matches within a caller-selected mismatch threshold. It does not account for PAMs, phage taxonomy, infection biology, escape, host range or therapeutic suitability.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "max_mismatches": 2,
              "phage_sequence": "AACCGTTAGGCTAACCGTTCGATCGGATCCGAATTCGGCATGCA",
              "spacers": [
                {
                  "id": "spacer-1",
                  "sequence": "GGCTAACCGTTCGATC"
                },
                {
                  "id": "spacer-2",
                  "sequence": "ATGCCTGAATTCGGCA"
                }
              ]
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "max_mismatches": {
                      "maximum": 5,
                      "minimum": 0,
                      "type": "integer"
                    },
                    "phage_sequence": {
                      "maxLength": 10000,
                      "minLength": 1,
                      "pattern": "^[ACGT]+$",
                      "type": "string"
                    },
                    "spacers": {
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "id": {
                            "maxLength": 128,
                            "minLength": 1,
                            "type": "string"
                          },
                          "sequence": {
                            "maxLength": 60,
                            "minLength": 15,
                            "pattern": "^[ACGT]+$",
                            "type": "string"
                          }
                        },
                        "required": [
                          "id",
                          "sequence"
                        ],
                        "type": "object"
                      },
                      "maxItems": 50,
                      "minItems": 1,
                      "type": "array"
                    }
                  },
                  "required": [
                    "phage_sequence",
                    "spacers",
                    "max_mismatches"
                  ],
                  "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": "2026-10-25T18:51:57.758Z",
    "quality": {
      "l30DaysTotalCalls": 4,
      "l30DaysUniquePayers": 4,
      "lastCalledAt": "2026-10-25T18:51:57.569Z"
    },
    "resource": "https://bio.halowerk.com/v1/phage-matching",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Slides each caller-supplied spacer over a bounded phage sequence in both orientations, records its minimum Hamming distance and reports matches within a caller-selected mismatch threshold. It does not account for PAMs, phage taxonomy, infection biology, escape, host range or therapeutic suitability."
}

What the leaf hashes

{"body":"10764809dae4f5232f38dfa2e637cdfa307214952f9957b1965918e0d62181cf","id":71653,"kind":"listing","method":"baseline/1","observed_us":1793025483054159,"prev":null,"subject":"x402_bazaar:https://bio.halowerk.com/v1/phage-matching","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. 0x96474054b488d3d061dc120b806082c27911667a97270b7b7cef689c634345d5
2. 0xeda33decabaaf6002ed60cdf07432b2d63397729a5d96ed55560918ff7053b8c
3. 0x6d50eae20af94b05b85bad9c8358ae2048c4d7fe0fd862f6dc32ea6c6aef6ae1
4. 0x6132e8f072eeea74429aa949acc01b901216e47f72c46b26bbe70432ef928b88
5. 0xf93764f710f675745d8188e6ca438581790de934f6e5dc3d1ef557fb08c82b32
6. 0xda222b41c7c7a9243e302479e99d26879ca127eb6bc91971ecd3af5f0491b20d
7. 0xd1828b3f9aa4189d424e972b050bf7d761ff1273366f10506109411da3c49b45
8. 0x4a864c646655a137ff7b7b23263a205463aae6c5d5fa992dbb5e039a836d4587
9. 0x09dc7398e56647d7b4f0747b751e38a3422a009e7eb45cbc8c16ea3d3d8e5015
10. 0x1a56ccb45e009e2c2474b198726fcc15e9fc65b1b8da07f7e8f740b40167837a
11. 0xc280b3b9968aa6c4c1d58f1d93bf282873099bba7b119c4ce413c82e165f3330
12. 0xd43b73151a0c2d9a61f2ae73ed148938b0e6b05c81197f7eebbf95dba38a7004
13. 0xb314422bc93e7f1c0b706c67f5fff96c5ddf74934bb2fe8ab6291ae016907e37
14. 0x49062da782c4f73855ddd5fdd51840749f928b5f17d1ce75ac50f2d829104e72
15. 0xf0bd63870f0bb378fa300bd33563050dcb7b3e02b44eb3ee550c1c534ec4b246
16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae