Evidence row 76768

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://intel.rallylive.ca/papers/doi"
    ]
  ],
  "name": "doi-lookup",
  "owner_address": "0xfc24fd34da9e49a0110dcaee3ad30ec54175ebb3",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:8453",
        "payTo": "0xFC24FD34da9e49A0110DCaEe3Ad30eC54175eBB3",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "0x036CbD53842c5426634e7929541eC2318f3dCF7e",
        "extra": {
          "name": "USDC",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:84532",
        "payTo": "0xFC24FD34da9e49A0110DCaEe3Ad30eC54175eBB3",
        "scheme": "exact"
      }
    ],
    "description": "Look up a DOI: full paper metadata (title, authors, journal, volume, issue, pages, year, publisher, funders, subjects), citation and reference counts, abstract, links and a ready APA citation. $0.01 per lookup.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "doi": "10.1038/nature14539"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "note": "see /docs/doi-lookup"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {},
                  "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": "2026-10-01T04:32:06.452Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-01T04:32:06.34Z"
    },
    "resource": "https://intel.rallylive.ca/papers/doi",
    "serviceName": "doi-lookup",
    "tags": [
      "doi",
      "citation",
      "papers",
      "metadata",
      "reference"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Look up a DOI: full paper metadata (title, authors, journal, volume, issue, pages, year, publisher, funders, subjects), citation and reference counts, abstract, links and a ready APA citation. $0.01 per lookup."
}

What the leaf hashes

{"body":"8b7076515040b37a76b0ab886f0ad74e2f40530210cd5923e283503565226c34","id":76768,"kind":"listing","method":"baseline/1","observed_us":1793025492682446,"prev":null,"subject":"x402_bazaar:https://intel.rallylive.ca/papers/doi","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. 0x771e83c3ad9173a7928825a2c04b2857f5a46ef5aefa128b8ad850230541df8a
2. 0xb32e72214178fa21ad716f79f67075a9ffa5cdf1c4df87201c2e2115d0637e85
3. 0xd5e49a623a1836fb458cc715f31003f72fb79b6a251ec8e366d61edc27528326
4. 0xa7ee6a306bc38350eeeaca7e0361a572400643f8e450e98843967314c170f1a5
5. 0x5d565f8bcf9ac7086be50e29ecb910265731727cafcd53b2ba9849ed9a4818bc
6. 0x0395dd795a19bff16f9d341712df005408eb46bb048e3df66cc54ef4dd46482a
7. 0x95a8f66c4b0ceb20ee48e245da1fae701331bfd26f4e4686de93d8ba6c4ee762
8. 0x6c85e800b21bdbc298e7154a128e75b8a9aab031b1ca987504614da22538ad40
9. 0xa60cb04f271a4bf19685fb57224cee257668e691285287d8827f8ab8edfb9129
10. 0xb543a7014a7da7ab1677250ea2e4cf5246b237487bd67575741c51bad8f72af0
11. 0x2b0f6f9a9d5201404fd0cd99316c4ea1c2b3853278de26cb244fc2433c8b6831
12. 0x8fdfac9874f184de58b63efbdab0fc27674958d741146d02f58b04d3c559cabf
13. 0xdef3cab0b4070d8ad7f4f91288da4881d19789f131b1b353621df79df04a0617
14. 0xc4fe2177880ea1b0e82b6fe4c270090fd0fbe5af3a42a8cbf6a6ba2fa35625f6
15. 0x15039087bf60ae9b06b756ec3cbc299760e59923a438bbd91e34d105186db0ed
16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae