Evidence row 1792082

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://pay.brianbooms.com/api/v1/audio/solar-term"
    ]
  ],
  "name": "Steward",
  "owner_address": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
        "scheme": "exact"
      },
      {
        "amount": "11970",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
        "scheme": "exact"
      },
      {
        "amount": "11970",
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:42161",
        "payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
        "scheme": "exact"
      },
      {
        "amount": "11970",
        "asset": "0xB97EF9Ef8734C71904D8002F8b6Bc66Dd9c48a6E",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:43114",
        "payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
        "scheme": "exact"
      }
    ],
    "description": "Use when an agent needs a soundscape for the current solar term — pass an optional date and get the term (English + Chinese name), its nature notes, the next term, and a three-track Brian Booms playlist (titles + Spotify listen links) rotating the catalog's confident set. The tradition is named and credited; the per-term track mapping is disclosed in the response as provisional. Per-call agent license — single serving to one end user. Use permitted: build it into your products and services, paid or free. Raw redistribution of the feed itself is prohibited.",
    "extensions": {
      "bazaar": {
        "discoverable": true,
        "iconUrl": "https://brianbooms.com/favicon.ico",
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "date": "Optional YYYY-MM-DD; omit for today. Example: 2026-11-01"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "disclosure": "Made with Suno",
              "license": "per-call agent license — single serving to one end user",
              "nature_notes": "First frost; the year turns inward.",
              "playlist": [
                {
                  "title": "Miracle of Life",
                  "track_id": "miracle-of-life"
                }
              ],
              "product": "Solar-term soundscape",
              "term_en": "Frost's Descent",
              "term_zh": "霜降"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "additionalProperties": true,
          "properties": {
            "date": {
              "description": "Optional YYYY-MM-DD; omit for today. Example: 2026-11-01",
              "type": "string"
            }
          },
          "type": "object"
        },
        "serviceName": "Steward",
        "tags": [
          "solar-term",
          "music",
          "steward",
          "x402"
        ]
      }
    },
    "lastUpdated": "2026-11-01T16:00:11.381Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-11-01T16:00:10.831Z"
    },
    "resource": "https://pay.brianbooms.com/api/v1/audio/solar-term",
    "serviceName": "Steward",
    "tags": [
      "solar-term",
      "music",
      "steward",
      "x402"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Use when an agent needs a soundscape for the current solar term — pass an optional date and get the term (English + Chinese name), its nature notes, the next term, and a three-track Brian Booms playlist (titles + Spotify listen links) rotating the catalog's confident set. The tradition is named and credited; the per-term track mapping is disclosed in the response as provisional. Per-call agent license — single serving to one end user. Use permitted: build it into your products and services, paid or free. Raw redistribution of the feed itself is prohibited."
}

What the leaf hashes

{"body":"4107d4a935cbe4dd98578176adfb3fe7abf2dd906ed88f37e9af02fb7edf7341","id":1792082,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793560007624670,"prev":null,"subject":"x402_bazaar:https://pay.brianbooms.com/api/v1/audio/solar-term","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-01 (302406 rows).

1. 0x5b310b0ec7b4b9e933fc783192e739702230d382af435beb55f595b3483eac1b
2. 0x0e0def002d1990725ee79fdbbdbbe6b1208e684e58db0ea196ccea4c83d0b148
3. 0x77bc0e82550056494cf47d958c97e7af58a16db2eab91cf791dc261c0569a956
4. 0xc9c21c15e14801ed03786bf3cbd56107bcc3706b875d52cbc396a30da8db0309
5. 0x0a0e0c9606e168ddcf550c633fd28aa503425b3cf9d7053b75a6bdcc55ea3e34
6. 0x6ffe3f7031b76101a24b03b52568d2495030417926569f99c7c69f329784aa09
7. 0x7bbba76b705d028cf25834f30b036b43816482b10a3145c5dec8bdc24b4c3226
8. 0x6ca1333662ab1ab672faff2a1a1a0a00cae89447b5a6004fe842cf4590ffb1ed
9. 0xdb18b07e35e67e7dcc84be194756a8b58084d4051fd7f16fd3cbde46555c7bfb
10. 0x2717695dd4d1d6d2900031dfc25ef2e75b0f2802c3e7efab416a1991e109cf7f
11. 0x4b8b72c7f35c27d83ebb1090d822c2a973b61b7f17a3a3428fa25c03919f3547
12. 0x40c734f9b777e35f9faf59b846ff350aa843d9d87ffb4038d4a3d1b4d14ae5bb
13. 0x34154efd66a20d7bdab9e04c4c0fb081722f2617f5931ba4d1e8c2c0ef3ba008
14. 0xa98b629d4ece4f8bd55becbb0c526d64cc8958c38de14f3aeccc5e2a5bc50974
15. 0xe622664153c4bb92e64b5edf8615a790cb48a8f528ac34b3faa4ef4dd70e05dd
16. 0xc1f6e8dd182b37cbb6e04d0e69486bd40d440934f8e373b9bae8cb78de508bba
17. 0x97f6f39e601b6ef0e47b730aa0488b718c0d7882ad840342bbd7d3a705a1b3a2
18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90