Evidence row 123470

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://underground.substratesymposium.com/buy/life_left"
    ]
  ],
  "name": "underground.substratesymposium.com/buy/life_left",
  "owner_address": "0xa3babb36564b0383a82c617050306ee30fd18e08",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xA3bAbB36564b0383a82c617050306EE30fd18E08",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "CjNFTjvBhbJJd2B5ePPMHRLx1ELZpa8dwQgGL727eKww"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "5HK2dGaaquDWFnYWaWhMzMYtbcDsqeq5biJ2PMtX1tkN",
        "scheme": "exact"
      }
    ],
    "description": "Life Left — Literary romance novel exploring connection and mythology for narrative structure and relationship dynamics.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {},
            "type": "http"
          },
          "output": {
            "example": {
              "content": "Literary romance novel exploring connection and mythology for narrative structure and relationship dynamics.",
              "delivered_at": "2026-04-24T10:00:00Z",
              "product": "life_left",
              "title": "Life Left"
            },
            "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": "2026-10-11T03:42:31.681Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-11T03:42:31.498Z"
    },
    "resource": "https://underground.substratesymposium.com/buy/life_left",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Life Left — Literary romance novel exploring connection and mythology for narrative structure and relationship dynamics."
}

What the leaf hashes

{"body":"58fa8cc894d57266c6f12cb90ca7406a270bd542ae81851f4beb510ab2115f6e","id":123470,"kind":"listing","method":"baseline/1","observed_us":1793025623212771,"prev":null,"subject":"x402_bazaar:https://underground.substratesymposium.com/buy/life_left","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. 0x77ef5eef269d40dd35b2a23215ec14c313bbf113c5e42ca180583e7bd1d354bb
2. 0xf6d7e944f5de93fc67c11ec280530864c1a390e64d64042293a5d9b01677d61d
3. 0x91b21a8bc11658566f546e82392322db6ec71eda5dfb64686cc07f3103fd8020
4. 0x7a90b8f494e7c1401160f54e07827cca76fe84b19fc178519b067abb14c622c6
5. 0x9692d5473f1a8145727e485f4c976919e3c0658f7066a2f9cdab398d149b8c23
6. 0x8b11bd1f5f9339d8072e3ca9d9151f1cba5a3fc60be085a8f2aa9bf3bec82ca0
7. 0x77972833691a0982dedfa9f15f468a32333cbcb8b3d4999ddf92bce6cbca8e1e
8. 0x31368648b591c7434e7a248a8d4ac70d1f8a14521ce007ed486f562414e3abe4
9. 0x1690a7cb6639b8700c8981534dfeef377eeb9ed1e0039429fd08b7e4cd8ec2a0
10. 0x7289d13e9c5129911e8dd0a94c4ccdb3088dca627d8df693e7d7c3b58bbbd576
11. 0x8fe7ebf89d10ac2e699de3f80f5dda3e72eef4ae079794ab7d1035929ad723cc
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