← The evidence ledger
Evidence row 122342
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://tanod.dev/v1/podcast/search
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 3eea27f2625dfff50d6da94d9910cd4980766e7e3b9f4880141aeefb7612d7e8
- Leaf
- 0x605f28122914a0acefcb9f9c7c1822624ae40de864f3aa3e970b984eb403d411
What was observed
{
"endpoints": [
[
"x402",
"https://tanod.dev/v1/podcast/search"
]
],
"name": "Tanod utilpeek",
"owner_address": "0x593857a4a4f619543ea12394137c3004ce841720",
"raw": {
"accepts": [
{
"amount": "2000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x593857A4a4F619543ea12394137C3004ce841720",
"scheme": "exact"
},
{
"amount": "2000",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:137",
"payTo": "0x593857A4a4F619543ea12394137C3004ce841720",
"scheme": "exact"
},
{
"amount": "2000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM"
},
"maxTimeoutSeconds": 300,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "RMk9k3VC8dr4hhjgFh88rGhjAbzfBzHxJJ5n2fTcqus",
"scheme": "exact"
}
],
"description": "Podcast search: a podcast name or Apple Podcasts link to its RSS feed URL, show data and latest episodes (utilpeek by Tanod). Use when an agent must find a podcast's RSS feed URL and latest episodes from a show name or Apple link.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"query": "Lex Fridman Podcast"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"country": "us",
"episode_count_in_feed": 502,
"episodes": [
{
"duration_s": 19317,
"enclosure": {
"length": 249955445,
"type": "audio/mpeg",
"url": "https://media.blubrry.com/takeituneasy/ins.blubrry.com/takeituneasy/lex_ai_dhh_2.mp3"
},
"episode": null,
"episode_type": "full",
"guid": "https://lexfridman.com/?p=6506",
"link": "https://lexfridman.com/dhh-2/",
"published": "2026-08-26T21:47:04Z",
"season": null,
"summary": "DHH is the creator of Ruby on Rails, Omarchy Linux, CTO of 37signals, and a racecar driver.",
"title": "#501 – DHH: Future of Programming, AI, Agentic Engineering, Vibe Coding & Linux"
}
],
"episodes_error": null,
"episodes_of": "https://lexfridman.com/feed/podcast/",
"matches": [
{
"apple_id": "1434243584",
"apple_url": "https://podcasts.apple.com/us/podcast/lex-fridman-podcast/id1434243584?uo=4",
"artwork": "https://is1-ssl.mzstatic.com/image/thumb/Podcasts115/v4/3e/e3/9c/mza_16657851278549137484.png/600x600bb.jpg",
"author": "Lex Fridman",
"country": "USA",
"episode_count": 502,
"explicit": false,
"feed_url": "https://lexfridman.com/feed/podcast/",
"genre": "Technology",
"latest_release": "2026-09-17T00:40:00Z",
"name": "Lex Fridman Podcast"
}
],
"operation": "podcast-search",
"query": "Lex Fridman Podcast",
"source": "Apple Podcasts directory (iTunes Search API)",
"untrusted_content": true
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"country": {
"default": "us",
"description": "Apple storefront as a two-letter country code (default us).",
"pattern": "^[a-zA-Z]{2}$",
"type": "string"
},
"episodes": {
"default": 5,
"description": "Latest episodes of the first match to read from its feed, 0-25 (default 5; 0 skips the feed).",
"maximum": 25,
"minimum": 0,
"type": "integer"
},
"limit": {
"default": 3,
"description": "Most shows to return, 1-10 (default 3); the first match is the best one and carries the episodes.",
"maximum": 10,
"minimum": 1,
"type": "integer"
},
"query": {
"description": "A podcast name (such as Lex Fridman Podcast) or an Apple Podcasts show link (podcasts.apple.com/.../id<digits>). Spotify and YouTube links are refused.",
"maxLength": 300,
"minLength": 1,
"type": "string"
}
},
"required": [
"query"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"country": {
"type": "string"
},
"episode_count_in_feed": {
"type": [
"integer",
"null"
]
},
"episodes": {
"items": {
"properties": {
"author": {
"type": [
"string",
"null"
]
},
"categories": {
"items": {
"type": "string"
},
"type": "array"
},
"duration_s": {
"type": [
"integer",
"null"
]
},
"enclosure": {
"properties": {
"length": {
"type": [
"integer",
"null"
]
},
"type": {
"type": [
"string",
"null"
]
},
"url": {
"type": "string"
}
},
"type": [
"object",
"null"
]
},
"episode": {
"type": [
"integer",
"null"
]
},
"episode_type": {
"type": [
"string",
"null"
]
},
"guid": {
"type": [
"string",
"null"
]
},
"image": {
"type": [
"string",
"null"
]
},
"link": {
"type": [
"string",
"null"
]
},
"published": {
"type": [
"string",
"null"
]
},
"season": {
"type": [
"integer",
"null"
]
},
"summary": {
"type": [
"string",
"null"
]
},
"title": {
"type": [
"string",
"null"
]
}
},
"type": "object"
},
"type": [
"array",
"null"
]
},
"episodes_error": {
"properties": {
"code": {
"type": "string"
},
"message": {
"type": "string"
}
},
"type": [
"object",
"null"
]
},
"episodes_of": {
"type": [
"string",
"null"
]
},
"matches": {
"items": {
"properties": {
"apple_id": {
"type": [
"string",
"null"
]
},
"apple_url": {
"type": [
"string",
"null"
]
},
"artwork": {
"type": [
"string",
"null"
]
},
"author": {
"type": [
"string",
"null"
]
},
"country": {
"type": [
"string",
"null"
]
},
"episode_count": {
"type": [
"integer",
"null"
]
},
"explicit": {
"type": [
"boolean",
"null"
]
},
"feed_url": {
"type": [
"string",
"null"
]
},
"genre": {
"type": [
"string",
"null"
]
},
"latest_release": {
"type": [
"string",
"null"
]
},
"name": {
"type": "string"
}
},
"type": "object"
},
"type": "array"
},
"operation": {
"type": "string"
},
"query": {
"type": "string"
},
"source": {
"type": "string"
},
"untrusted_content": {
"type": "boolean"
}
},
"required": [
"operation",
"query",
"matches",
"untrusted_content"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
},
"builder-code": {
"info": {
"a": "bc_h7pxv14u"
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"additionalProperties": false,
"properties": {
"a": {
"description": "App builder code",
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
},
"s": {
"description": "Service builder codes",
"items": {
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
},
"maxItems": 11,
"type": "array"
},
"w": {
"description": "Wallet builder code",
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
}
},
"type": "object"
}
}
},
"iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1791364949/bazaar-icons/d8143c9bc952f5cd.png",
"lastUpdated": "2026-10-12T03:10:36.747Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-10-12T03:10:36.051Z"
},
"resource": "https://tanod.dev/v1/podcast/search",
"serviceName": "Tanod utilpeek",
"tags": [
"utilpeek",
"podcast",
"search",
"fx-rates",
"qr-code"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Podcast search: a podcast name or Apple Podcasts link to its RSS feed URL, show data and latest episodes (utilpeek by Tanod). Use when an agent must find a podcast's RSS feed URL and latest episodes from a show name or Apple link."
}What the leaf hashes
{"body":"3eea27f2625dfff50d6da94d9910cd4980766e7e3b9f4880141aeefb7612d7e8","id":122342,"kind":"listing","method":"baseline/1","observed_us":1793025621491203,"prev":null,"subject":"x402_bazaar:https://tanod.dev/v1/podcast/search","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).
- 0x605f9b70d21d6b0cba4fc4c7d205cc05808ec8f43f60b451ca83cea4ccbe1b3f
- 0xc3f152b171da53db956bc392f6593a0af59de3f4a2e2911d4adeb41e7a1c5c8d
- 0xceb916f0131bd86b808638f69cca850de5864545de51ad8e2acc479685e9d26d
- 0x074f54209dc28ccc26022945bf9924c138a1c17a59b1916c65a0b2f1114fffb1
- 0x87aaa2350f3f766934f7e7cc419fcd8804b2b47b5d4f067ffe897b4c5945e86a
- 0x1e615608045928f0974dc3180d9d9be2ac7f580d9581fe926c59dc9a44f54dc8
- 0x459de13785930e9b6f1ccbcabbf2bf2dadfde36e911cb49d2fc237ba39a0c91f
- 0x9224972c77105c3d1f929ab1512e03bd8c1c8fea1fe285e7beae28aa66ee7b3e
- 0xa27b47db4426e5dcf08c8bc517b21f092d888f8ac2da502f25f164c3319e72f3
- 0xbc2e807bf00b2ed1c806b85b0cbba8abd3b9788e0e8000d164ef64dfc99a3dcb
- 0xa50fca837a4f035829bddff38d023aff0ec4482f9bb5df60ea5b321b01e3e922
- 0xf4e3bedc99674db9d8ab4bc7655992ec76f822b327e6c89599b0baa3756fbd19
- 0x89fcaf55e37dd777228f271b79ea895534a66ec0d184363c2a6eb1b4d23c9ef1
- 0x216cebb9ae5414599109a02297c4817d7d1c6b1394afeb97efe38e32f0053974
- 0x7726154b91b2ad65b13849ef6cb6443b1f0ff113a3089c9bd5f2bcfc16be099d
- 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
- 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae