Evidence row 71650

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://bio.halowerk.com/v1/dna-storage-encode"
    ]
  ],
  "name": "bio.halowerk.com/v1/dna-storage-encode",
  "owner_address": "0x2880edfff13100677bf97a3cbdf3bc34771c4e5e",
  "raw": {
    "accepts": [
      {
        "amount": "3000",
        "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": "Maps each two-bit group of caller-supplied UTF-8 bytes to A, C, G or T and reports a SHA-256 checksum of the original bytes. This reversible representation performs no biological synthesis, homopolymer balancing, GC optimization, addressing or error-correcting code.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "text": "HALOWERK deterministic DNA storage demo"
            },
            "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": {
                    "text": {
                      "description": "Text to encode as UTF-8 bytes.",
                      "maxLength": 4096,
                      "minLength": 1,
                      "type": "string"
                    }
                  },
                  "required": [
                    "text"
                  ],
                  "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": "2026-10-26T00:14:49.722Z",
    "quality": {
      "l30DaysTotalCalls": 6,
      "l30DaysUniquePayers": 5,
      "lastCalledAt": "2026-10-26T00:14:49.318Z"
    },
    "resource": "https://bio.halowerk.com/v1/dna-storage-encode",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Maps each two-bit group of caller-supplied UTF-8 bytes to A, C, G or T and reports a SHA-256 checksum of the original bytes. This reversible representation performs no biological synthesis, homopolymer balancing, GC optimization, addressing or error-correcting code."
}

What the leaf hashes

{"body":"99086b59793be80469bb88eaea5789a798689d1042e3bcba689e6fb00ac85463","id":71650,"kind":"listing","method":"baseline/1","observed_us":1793025483051285,"prev":null,"subject":"x402_bazaar:https://bio.halowerk.com/v1/dna-storage-encode","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. 0x7e2702aa545bd274b6a9675143922f0cb6a527ac8c7cba3d3ba387f7d2ec0058
2. 0x466381ba31af8c8e5a08614447932a204a817858c1ac84a80bfcd2b6da2796ad
3. 0x9f666bb6fd5531e22486a68da082fd701f8aa108d883b747f25799df70ca444f
4. 0xfcb938ec50bb58534f5844ac81d11137e4ba78e49ac60c75fc5ec57e6cadea5f
5. 0x3a7fb971be0364607b66b9b085788ad92aca4cfda75c936a311a1a6a024fd93a
6. 0x388184b867a1697881d09721d58af63387994c734fa3cbb3268709c830dc9326
7. 0x57633a9875d6b523baf2c83008c9b2ab9f5ad3082cb1f9e01460e54b1e1f6eac
8. 0xd58040d5117d7fddcb957d2bd892a67cf61d8d1e625498c288e9a71002830105
9. 0x5dfe7ef8c83bbb998c208ea7d7d89ff8b783da931ec5ae5dae5ebce0c67f2787
10. 0x2718d6dca57166b1f1fa238e8a139e4cdbab7b7485a09970fff985d3b3878bfd
11. 0xaf10e841089e5989890dc77ffce42a46564d25ef15f30d1e35bf53a495483ad4
12. 0xab729e4203b650f2a3c15efd6fd44eb2482232373bc1de662fd9d496869eb2d3
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