Evidence row 123504

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://underground.substratesymposium.com/buy/phalaenopsis"
    ]
  ],
  "name": "underground.substratesymposium.com/buy/phalaenopsis",
  "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": "Phalaenopsis (Grace) — Reflection on elegance and ease for cultivating graceful approach under pressure.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {},
            "type": "http"
          },
          "output": {
            "example": {
              "content": "Reflection on elegance and ease for cultivating graceful approach under pressure.",
              "delivered_at": "2026-04-24T10:00:00Z",
              "product": "phalaenopsis",
              "title": "Phalaenopsis (Grace)"
            },
            "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": "2026-10-11T01:31:09.584Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-11T01:31:09.452Z"
    },
    "resource": "https://underground.substratesymposium.com/buy/phalaenopsis",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Phalaenopsis (Grace) — Reflection on elegance and ease for cultivating graceful approach under pressure."
}

What the leaf hashes

{"body":"9cb2f6cba8678d61e6eef8790e05b88cb321ae45d9c59c3c9bf87d935d2713ca","id":123504,"kind":"listing","method":"baseline/1","observed_us":1793025623256888,"prev":null,"subject":"x402_bazaar:https://underground.substratesymposium.com/buy/phalaenopsis","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. 0x624fcc8ecd8c237bbaa5419c5a9d6ab43bec0947677b17500ebad0bb0432d69f
2. 0x2313715bb297f8a3c425732ebbf7540f5f142e625360b58846b89789e2fd6154
3. 0x5ebd166ed37cfb9519a8c9bef95ac67a18fa1e66f2826d97e672cd3ddaa6311e
4. 0x20bb02323ef898ff22547294d63010839e59c9be1d2b42a885d8551015346ffb
5. 0x10789573a2d18947b105ede56102e69247153058a8a10200bdd096a5aa03b871
6. 0xfc7433c291874c60c98ca3dea384897b0de9181b0d1c9840ba42fe09e4c28007
7. 0x632233b4de8f681f1be70e4c96e85b78126d090f4a16095c01cb4eef6f970e08
8. 0x4352180a302b68ec973e750f2bc1dd10dc239b61d5faa8605f28678698ebe04e
9. 0xe3dec21127ba7d316156370fd220eba2bd6f5a93b45c91aa4c73dfc340e9ffe9
10. 0xbc3c355b950c7c23082f84a109d9c2ea6ccfd6ca5cc47b5103a3180b43e85bfd
11. 0x131755a2ea202f5e6a5e7b2b4223cbbcd0bee9398f637648162d1129112491ce
12. 0x7285c0b02d1aedd949b8ba0c7b2499f7121588ebdd4c96ef8725919bb84dd534
13. 0x89fcaf55e37dd777228f271b79ea895534a66ec0d184363c2a6eb1b4d23c9ef1
14. 0x216cebb9ae5414599109a02297c4817d7d1c6b1394afeb97efe38e32f0053974
15. 0x7726154b91b2ad65b13849ef6cb6443b1f0ff113a3089c9bd5f2bcfc16be099d
16. 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae