← The evidence ledger
Evidence row 67971
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://api.particle.pro/v1/podcasts/episodes
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 85a1af3a56fe5820b45413d3367f88bd1f3680f31c82aed70517e7a999cc9432
- Leaf
- 0x0f619230b0ebd2e10c67d3229359055e80da190c8783ccf1f3822d61278b399a
What was observed
{
"endpoints": [
[
"x402",
"https://api.particle.pro/v1/podcasts/episodes"
]
],
"name": "Particle Pro",
"owner_address": "0x59f3a6dcb6f482c53872dd8f8f9e1f9161a1c5f7",
"raw": {
"accepts": [
{
"amount": "10000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x59f3a6dcb6f482c53872dd8f8f9e1f9161a1c5f7",
"scheme": "exact"
}
],
"description": "List episodes. Returns a paginated list of podcast episodes across all podcasts.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"language": "fr"
},
"type": "http"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"company_id": {
"description": "Company slug (e.g., 'nvidia'), domain (e.g., 'nvidia.com'), or ID. Resolves to the company's linked entity.",
"type": "string"
},
"cursor": {
"description": "Opaque pagination cursor from previous response",
"type": "string"
},
"entity_id": {
"description": "Entity or person slug (e.g., 'elon-musk', 'openai') or ID. Returns episodes featuring this entity as a speaker or mentioned entity. A person with no linked entity matches the episodes they speak in. A slug that names both an entity and a person means the entity; pass the person's ID to filter by the person.",
"type": "string"
},
"fully_ingested": {
"description": "Only episodes that have reached the terminal ingestion milestone (the highest stage exposed by the episode firehose)",
"type": "boolean"
},
"guest_capacity": {
"description": "Only episodes with a guest who knows their field in this capacity, such as executive_founder for founders. It narrows the other filters; an everyday word for a capacity passed as guest_occupation (founders, politicians) lands here too.",
"enum": [
"researcher",
"licensed_professional",
"practitioner",
"executive_founder",
"public_official",
"journalist_analyst",
"creator_entertainer",
"athlete_coach",
"clergy",
"firsthand",
"layperson"
],
"type": "string"
},
"guest_field": {
"description": "Only episodes with a guest listed under this ANZSRC 2020 field of research (code, slug, or title).",
"type": "string"
},
"guest_in_field": {
"description": "Only episodes with a guest speaking within their field (the guest the other guest_ filters select, when given).",
"type": "boolean"
},
"guest_occupation": {
"description": "Only episodes with a guest listed under this SOC 2018 or ISCO-08 occupation (code, slug, or title), including a SOC group or everyday name such as physicians or doctors. A word with no occupation filters by the field of research or capacity it names: oncologists is field 3211, founders is guest_capacity=executive_founder.",
"type": "string"
},
"guest_practicing": {
"description": "Only episodes with a guest who still works in guest_occupation, a SOC 2018 occupation or group.",
"type": "boolean"
},
"guest_seniority": {
"description": "Only episodes with a guest at this seniority or above.",
"enum": [
"professional",
"senior",
"distinguished"
],
"type": "string"
},
"guest_standing": {
"description": "Only episodes with a guest whose standing is recognized this way.",
"enum": [
"established",
"self_described",
"unverified"
],
"type": "string"
},
"has_transcript": {
"description": "Only episodes with completed transcripts",
"type": "boolean"
},
"language": {
"description": "Restrict to episodes of podcasts in this language (ISO 639-1 code, e.g. 'fr'). Matches the podcast's primary language subtag, so 'fr' covers 'fr-FR'.",
"type": "string"
},
"limit": {
"description": "Results per page",
"format": "int64",
"type": "integer"
},
"max_duration": {
"description": "Maximum episode duration in seconds",
"format": "int64",
"type": "integer"
},
"min_duration": {
"description": "Minimum episode duration in seconds",
"format": "int64",
"type": "integer"
},
"person_id": {
"description": "Person slug (e.g., 'dick-costolo'), knowledge-graph entity slug for the same person, or ID. Returns episodes featuring this person as a speaker — works even when the speaker has no knowledge-graph entity linked. When the value itself matches a knowledge-graph entity slug (corroborated to the same person), the default and 'mention' roles also include episodes that merely mention the person, matching entity_id semantics; pass a speaker role (guest, host, panelist, correspondent) for speaker-only results.",
"type": "string"
},
"podcast_id": {
"description": "Podcast slug (e.g., 'all-in'), internal ID, or numeric iTunes ID",
"type": "string"
},
"published_after": {
"description": "Deprecated alias of since.",
"type": "string"
},
"published_before": {
"description": "Deprecated alias of until.",
"type": "string"
},
"role": {
"description": "Entity role filter. Constrains which episodes match the entity_id, person_id, or company_id. 'speaker' matches any speaking role (host, co-host, guest, panelist, correspondent) without including mention-only episodes.",
"enum": [
"guest",
"host",
"panelist",
"correspondent",
"speaker",
"mention"
],
"type": "string"
},
"since": {
"description": "Only episodes published after this ISO 8601 date or date-time (e.g. 2024-01-01 or 2024-01-01T00:00:00Z)",
"type": "string"
},
"transcript_status": {
"description": "Filter by where episodes stand on the way to a transcript. Omitted, the list holds the episodes we have ingested, as it always has. any, untranscribed and requestable also list the podcast's back catalogue — episodes we have discovered in its feed but not transcribed — so they require podcast_id: any lists every discovered episode, untranscribed those without a transcript, requestable back-catalogue episodes whose transcript can be requested. transcribed lists episodes with a transcript, like has_transcript, which it replaces. Back-catalogue episodes carry no speakers, entities or topics, so entity_id, person_id, company_id and fully_ingested leave them out.",
"enum": [
"any",
"transcribed",
"untranscribed",
"requestable"
],
"type": "string"
},
"until": {
"description": "Only episodes published before this ISO 8601 date or date-time (e.g. 2024-01-01 or 2024-01-01T00:00:00Z)",
"type": "string"
}
},
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-19T11:11:18.57Z",
"quality": {
"l30DaysTotalCalls": 4,
"l30DaysUniquePayers": 3,
"lastCalledAt": "2026-10-19T11:11:18.175Z"
},
"resource": "https://api.particle.pro/v1/podcasts/episodes",
"serviceName": "Particle Pro",
"tags": [
"podcast episodes",
"podcasts",
"media intelligence",
"particle pro"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "List episodes. Returns a paginated list of podcast episodes across all podcasts."
}What the leaf hashes
{"body":"85a1af3a56fe5820b45413d3367f88bd1f3680f31c82aed70517e7a999cc9432","id":67971,"kind":"listing","method":"baseline/1","observed_us":1793025465474392,"prev":null,"subject":"x402_bazaar:https://api.particle.pro/v1/podcasts/episodes","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).
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- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae