Evidence row 70310

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.x402node.dev/citation/format"
    ]
  ],
  "name": "api.x402node.dev/citation/format",
  "owner_address": "0x4466d4a84b7c49a6a094ec6eef4a0712d6dd125e",
  "raw": {
    "accepts": [
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x4466d4A84b7c49a6A094ec6eef4a0712D6dd125e",
        "scheme": "exact"
      },
      {
        "amount": "5000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "CjNFTjvBhbJJd2B5ePPMHRLx1ELZpa8dwQgGL727eKww"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "9urRvUx69HqAopg1JGV9P9wR7JdKoztzdkuNyJ8Eo1up",
        "scheme": "exact"
      }
    ],
    "description": "Format any DOI into a styled citation (apa, mla, chicago, ieee, harvard, vancouver). Returns plain-text bibliography string. Use ?doi=10.1038/nature12373 and style=apa. Built for AI agents producing draft references. Accepts payment on Base or Solana — either network works.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "doi": "string",
              "style": "string"
            },
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "doi": {
                      "description": "DOI string (required)",
                      "type": "string"
                    },
                    "style": {
                      "description": "Style (optional)",
                      "type": "string"
                    }
                  },
                  "required": [
                    "doi"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-15T00:13:10.516Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-15T00:13:10.324Z"
    },
    "resource": "https://api.x402node.dev/citation/format",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Format any DOI into a styled citation (apa, mla, chicago, ieee, harvard, vancouver). Returns plain-text bibliography string. Use ?doi=10.1038/nature12373 and style=apa. Built for AI agents producing draft references. Accepts payment on Base or Solana — either network works."
}

What the leaf hashes

{"body":"cfd4a40758af63eb1f7c39b07ba884372925e2142777e64df66f2e29b1fd4afc","id":70310,"kind":"listing","method":"baseline/1","observed_us":1793025480151779,"prev":null,"subject":"x402_bazaar:https://api.x402node.dev/citation/format","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. 0xc1c9738ccd5f1af6198642cda1de68c61284c87b6fda3bd889fb923d7f0f84f9
2. 0x690a64d42696bd14b860b367af1fd643057ea54b06558f7c96e0e7d226a5841a
3. 0xf1a773c43f2343fe1396d9bfddbca7748d245a052cc2d921ca4eadbc6ca3925a
4. 0x79ff52b9f8ea3c6f431bcd53cffa297648ee0618e286486bd301e52b81dcb4d8
5. 0x6418b7969ae5a6ee200d94c046947385b2d64f353231c50b2c8e386951c0a0f3
6. 0x21dd4303243e90a8c6a42010211850eabc89480d913768ee7d054150f9fe47cf
7. 0x973b5498faf3bfb5821765e632abd83946fe333017806972c25ab99d0abdd325
8. 0x0f4c71ef9de731b9eb83de320af2141bafc39ff37865c7f10d636ab53412b10f
9. 0xb2d03cb40383e11844f7bf1442a1332cabd2c046f1ad5bb4f874e104f230601f
10. 0xca616bf13a5c5fdcd32227c93ae0cdf02d523b7d9e425f5f738ddefc7d481c99
11. 0xeab236b8d15592c4f51859e02cc12d6b7223fc6321fdb9fa89e4d5e6edc3470b
12. 0x111576180a2fecebcaf560e6b72ed8cefedaacb8c607539ece417b7465831f66
13. 0x96eae331a78c1c9248bc58130ff83d31b884760a51fe7191de2a39105ae7c072
14. 0xdbe2e8dd65ea1248b2936612538f18268abd5cf27ebdab3737694571ad496004
15. 0x9f68b5e15459cb62b8c0cd4c124fa61c74147b4a5755a200fbecd21a581635d1
16. 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae