← The evidence ledger
Evidence row 1792088
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://pay.brianbooms.com/api/v1/data/apod
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 3912cffc06040248915fc0e3583757585ffeb0c1f7d0af3bd0a2ca5b974e2d40
- Leaf
- 0x4c5f1ae132d23441c3dd2fcbe3c692747cd456a953ec86265a7c55e89021ac0f
What was observed
{
"endpoints": [
[
"x402",
"https://pay.brianbooms.com/api/v1/data/apod"
]
],
"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 NASA's Astronomy Picture of the Day — title, explanation, and image URLs for a date, or a few random entries for a space moment in a briefing or lesson. Metadata only, never image bytes. Pass date (1995-06-16 to today) or count for random picks. 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": {
"count": "Random entries instead of one date, 1-10. Example: 3",
"date": "YYYY-MM-DD, default today. Example: 2026-09-27"
},
"type": "http"
},
"output": {
"example": {
"data_source": "NASA APOD API (metadata only; images referenced by URL, never re-hosted)",
"date": "2026-09-27",
"media_type": "image",
"product": "NASA Astronomy Picture of the Day",
"title": "The Orion Nebula in Infrared",
"url": "https://apod.nasa.gov/apod/image/2609/orion_ir.jpg"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"additionalProperties": true,
"properties": {
"count": {
"description": "Random entries instead of one date, 1-10. Example: 3",
"type": "string"
},
"date": {
"description": "YYYY-MM-DD, default today. Example: 2026-09-27",
"type": "string"
}
},
"type": "object"
},
"serviceName": "Steward",
"tags": [
"apod",
"nasa",
"space",
"steward",
"x402"
]
}
},
"lastUpdated": "2026-11-01T15:58:47.147Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-11-01T15:58:45.928Z"
},
"resource": "https://pay.brianbooms.com/api/v1/data/apod",
"serviceName": "Steward",
"tags": [
"apod",
"nasa",
"space",
"steward",
"x402"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Use when an agent needs NASA's Astronomy Picture of the Day — title, explanation, and image URLs for a date, or a few random entries for a space moment in a briefing or lesson. Metadata only, never image bytes. Pass date (1995-06-16 to today) or count for random picks. 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":"3912cffc06040248915fc0e3583757585ffeb0c1f7d0af3bd0a2ca5b974e2d40","id":1792088,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793560007638891,"prev":null,"subject":"x402_bazaar:https://pay.brianbooms.com/api/v1/data/apod","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (302406 rows).
- 0x4c5fe3ab16c03935e4604610c9c664255c80d275c7c016c21d249e5efc3ef4a4
- 0x4139eba2d083cce1dca36f5998fa95f19abab23e5bf8b01067f9737aa2282c70
- 0xcb97e179d9848fb380752d8ebcd36e62029a53170233bdb0923a9c65dee037fe
- 0xd5c8ccd2d7e942d75a7b35efa78c147d655549374e2c0fd28cf953439673ae42
- 0xcbf14fea478e0818818f3956249eb31a597907c61bb47a71e908b3a37e5f3425
- 0xed9413adf51ea130b97e66afc3507afcbcc2b67c1affacfeda122f82b0e8ed1b
- 0xdc5cb0dfc96237f4b8723289cc733aea80e149857217fe47fa7f8d258930612a
- 0xa6946b8db977ca1d596865210bb2e2f4dfbd6c6df8d26e95c64f33fe54da0335
- 0x1ddb4bfeebde7d78d1847a6fbeebc80147fc1d4efcb66107c911ccb9e15721dd
- 0x8adde7259579467742a0ee3e408e76786c544880b642a896d1d5d82a578163e9
- 0x61ff57d2ade82e1a92f0c8a6fa7a2f8e022bc472388e996ddec0babb3b66db9d
- 0x50d0aab4654c4fc0e4e1b6e9ce23b51cbee73c6fbad455db813e190229817e20
- 0xe856d71d4d8a98af6db9d570016de7389476d0530bd8e162ceafbaf3cd861a5b
- 0x4dd56cbe7671c2bd3ac1c5d78e38f1cd1c8a879b29f9a6a5b8a22555a3aedcd2
- 0x0e3f78943343406ddd3828dd4ca4b5a188e80ffe3ac87d64d979448ee11c1cc5
- 0x00ec7149eb024693951d82cb635dfa183f4f34dae011e77ba0420a38a378e0aa
- 0x97f6f39e601b6ef0e47b730aa0488b718c0d7882ad840342bbd7d3a705a1b3a2
- 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
- 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910
- Day root
- 0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3
- Chained
- 0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4
- Published
- On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90