← The evidence ledger
Evidence row 123424
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://underground.substratesymposium.com/buy/delta_wisdom
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 69f3b8b6bb2c67c55762b8224f058d63cc9f3c9e4e76d55a674faecda832c284
- Leaf
- 0xa6ac1d155d58fd442aa6989aab203edba7de0b8a0b95161a7a23ca1d365762b2
What was observed
{
"endpoints": [
[
"x402",
"https://underground.substratesymposium.com/buy/delta_wisdom"
]
],
"name": "underground.substratesymposium.com/buy/delta_wisdom",
"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": "Delta Wisdom — Blues philosophy from the crossroads for understanding resilience and transformation through hardship.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {},
"type": "http"
},
"output": {
"example": {
"content": "Blues philosophy from the crossroads for understanding resilience and transformation through hardship.",
"delivered_at": "2026-04-24T10:00:00Z",
"product": "delta_wisdom",
"title": "Delta Wisdom"
},
"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": "2026-10-11T03:26:24.207Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-10-11T03:26:24.062Z"
},
"resource": "https://underground.substratesymposium.com/buy/delta_wisdom",
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Delta Wisdom — Blues philosophy from the crossroads for understanding resilience and transformation through hardship."
}What the leaf hashes
{"body":"69f3b8b6bb2c67c55762b8224f058d63cc9f3c9e4e76d55a674faecda832c284","id":123424,"kind":"listing","method":"baseline/1","observed_us":1793025623158420,"prev":null,"subject":"x402_bazaar:https://underground.substratesymposium.com/buy/delta_wisdom","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).
- 0xa6ac2929646662539429358214f2ebab25c01a2f3a632861a534d8665c9c183d
- 0x03feeb118d3d4c374ab5042ac3fb0adf8cc7007724e091447be2b0be6cbaa494
- 0xaddccf038e9d9d5ad721db5bc04d6f065f1bb3ce4e3cf0887376cd0c98c016ad
- 0xd7df171d58b613f55ddc6e5e55da1eb4a1fc9e364f2b7a39b3632f1b10435450
- 0x33b7b5b40375310311071c013b535701b92ce2d28c526cce7f254cf2ca4920a7
- 0xe409cc765e63994d7bffa5f0fafc4aeab32b5b9860831ac7e2c29abf58db17af
- 0xdbe98be816ad6914660f4ec35bd17151b9deecbf803f8ecef02193f5bec75c4b
- 0x27c8b5fa5b5fb6753775709daf8bac19c9224f74e32e3fee48eaea6f5a4d9737
- 0xe6ee0f234ffe56205700b1e8dd7802c20485340595800c1900625aea4c3ff77f
- 0x8898ab8e9245665c91957f93ced1d4675156754992f0651eb80aa5869ec8fd1b
- 0xf9b4ada16aca6f9b63c09b94519008e1b94357a9d352c245023758b56b82d0b1
- 0x1e464fcb484a1e782f9fe44be5118a9de934eb533c96ba10fc7d20e3a3e4711c
- 0x292ebdce6b8d3d7ef08ad646a0fd97dee9313ab55c1a350807d9f3013794c37a
- 0x428106f4ae4ec142f17aebf6fa50935242f8d3f1c211cf95d6351d03d11da2b7
- 0x62a900133713919f4eed33d8336876b7a6d538233b8a4f3ed03b29aa44f5bad0
- 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
- 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae