← The evidence ledger
Evidence row 3069148
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://x402.professorsausages.com/sfx/mutate
- Recorded
- Previous row
- #752768
- Body SHA-256
- 28aa52fa14cc444757112a5cf16d5500ca1a05565030fbd82e235e305da7a48d
- Leaf
- 0x5882d54236512893cf65a1678564b4a1fe83fb6a285c0e03b953b3c5d8b00f5d
What was observed
{
"endpoints": [
[
"x402",
"https://x402.professorsausages.com/sfx/mutate"
]
],
"name": "8-bit SFX Generator",
"owner_address": "0x54ebfcf3870439b9db62381848c5dabc05c70d5b",
"raw": {
"accepts": [
{
"amount": "30000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 60,
"network": "eip155:8453",
"payTo": "0x54ebFCF3870439B9db62381848c5DabC05c70d5B",
"scheme": "exact"
}
],
"description": "Mutate a known-good seed's sound (classic sfxr mutate) — nearby variations by parameter perturbation",
"extensions": {
"bazaar": {
"category": "audio",
"info": {
"input": {
"method": "GET",
"queryParams": {
"amount": "0.1",
"bits": "16",
"format": "wav",
"preset": "coin",
"sampleRate": "44100",
"seed": "12345"
},
"type": "http"
},
"output": {
"properties": {
"about": {
"type": "string"
},
"amount": {
"type": "number"
},
"bitsPerSample": {
"enum": [
8,
16
],
"type": "integer"
},
"byteLength": {
"type": "integer"
},
"clipped": {
"type": "integer"
},
"durationMs": {
"type": "integer"
},
"format": {
"enum": [
"wav16",
"wav8",
"retro",
"custom"
],
"type": "string"
},
"formatOverride": {
"properties": {
"applied": {
"enum": [
"wav16",
"wav8",
"retro",
"custom"
],
"type": "string"
},
"detail": {
"type": "string"
},
"overriddenBy": {
"items": {
"enum": [
"bits",
"sampleRate"
],
"type": "string"
},
"type": "array"
},
"requested": {
"type": "string"
}
},
"required": [
"requested",
"applied",
"overriddenBy",
"detail"
],
"type": "object"
},
"freshness": {
"properties": {
"age_seconds": {
"minimum": 0,
"type": "integer"
},
"as_of": {
"type": "string"
},
"max_age_seconds": {
"minimum": 0,
"type": [
"integer",
"null"
]
},
"note": {
"type": "string"
},
"tier": {
"type": "string"
}
},
"required": [
"tier",
"as_of",
"age_seconds",
"max_age_seconds"
],
"type": "object"
},
"mimeType": {
"enum": [
"audio/wav"
],
"type": "string"
},
"params": {
"properties": {
"p_arp_mod": {
"type": "number"
},
"p_arp_speed": {
"type": "number"
},
"p_base_freq": {
"type": "number"
},
"p_duty": {
"type": "number"
},
"p_duty_ramp": {
"type": "number"
},
"p_env_attack": {
"type": "number"
},
"p_env_decay": {
"type": "number"
},
"p_env_punch": {
"type": "number"
},
"p_env_sustain": {
"type": "number"
},
"p_freq_dramp": {
"type": "number"
},
"p_freq_limit": {
"type": "number"
},
"p_freq_ramp": {
"type": "number"
},
"p_hpf_freq": {
"type": "number"
},
"p_hpf_ramp": {
"type": "number"
},
"p_lpf_freq": {
"type": "number"
},
"p_lpf_ramp": {
"type": "number"
},
"p_lpf_resonance": {
"type": "number"
},
"p_pha_offset": {
"type": "number"
},
"p_pha_ramp": {
"type": "number"
},
"p_repeat_speed": {
"type": "number"
},
"p_vib_speed": {
"type": "number"
},
"p_vib_strength": {
"type": "number"
},
"sample_rate": {
"type": "integer"
},
"sample_size": {
"enum": [
8,
16
],
"type": "integer"
},
"sound_vol": {
"type": "number"
},
"wave_type": {
"enum": [
0,
1,
2,
3
],
"type": "integer"
}
},
"type": "object"
},
"preset": {
"type": "string"
},
"related": {
"additionalProperties": {
"type": "string"
},
"type": "object"
},
"sampleCount": {
"type": "integer"
},
"sampleRate": {
"type": "integer"
},
"seed": {
"type": "integer"
},
"wav_base64": {
"type": "string"
}
},
"required": [
"seed",
"wav_base64",
"params"
],
"type": "object"
}
},
"routeTemplate": "https://x402.professorsausages.com/sfx/mutate",
"schema": {
"properties": {
"input": {
"properties": {
"queryParams": {
"properties": {
"amount": {
"description": "Mutation magnitude.",
"type": "string"
},
"bits": {
"description": "Bit depth. Overrides the format profile; the override is echoed in formatOverride.",
"enum": [
"8",
"16"
],
"type": "string"
},
"format": {
"description": "Fidelity profile: wav is 44.1k/16, wav8 is 44.1k/8, retro is 22k/8. Explicit bits/sampleRate override it.",
"enum": [
"wav",
"wav8",
"retro"
],
"type": "string"
},
"preset": {
"description": "Base preset. Omit for a random base.",
"type": "string"
},
"sampleRate": {
"description": "Sample rate in Hz. Overrides the format profile; the override is echoed in formatOverride.",
"enum": [
"11025",
"22050",
"44100"
],
"type": "string"
},
"seed": {
"description": "Integer seed of the base sound. Omit for a random seed.",
"type": "string"
}
},
"type": "object"
}
},
"type": "object"
},
"output": {
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
},
"help": {
"docs": "https://x402.professorsausages.com/sfx",
"example": "https://x402.professorsausages.com/sfx/mutate",
"openapi": "https://x402.professorsausages.com/sfx/openapi.json",
"sample": "https://x402.professorsausages.com/sfx/sample"
}
},
"lastUpdated": "2026-11-04T04:59:21.577Z",
"quality": {
"l30DaysTotalCalls": 3,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-11-04T04:59:21.173Z"
},
"resource": "https://x402.professorsausages.com/sfx/mutate",
"serviceName": "8-bit SFX Generator",
"tags": [
"sfx",
"audio",
"8-bit",
"gamedev",
"synth"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Mutate a known-good seed's sound (classic sfxr mutate) — nearby variations by parameter perturbation"
}What the leaf hashes
{"body":"28aa52fa14cc444757112a5cf16d5500ca1a05565030fbd82e235e305da7a48d","id":3069148,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793822443755788,"prev":752768,"subject":"x402_bazaar:https://x402.professorsausages.com/sfx/mutate","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (424109 rows).
- 0x5882d3a0d5ab8897d2c125efb84805099babd18a3153e8b0195c5dd01278e003
- 0x0bed6d3e55ace9e9d71af7c889195d4383aa55987c6603b38c1b313cc3eefc83
- 0x0fe75980c446f9406ffe029d703629457d8e75c5850e3974538f41cb96c22dab
- 0x85b6d13d21b70fd10e7ae35311bff78dfb673dc9ab233c991992f6b164601db5
- 0xab2a24f3000a46df742e5964f84c9f1c9d13db97aea4e2701422e2b395a58559
- 0x91a183ec86d1f19ee832de2a18945370830aecadde19d608d5f2a942c0833ebb
- 0x8a10b2dbef03a6fb8c554d6aa64cfe20e892558822d3eea0ba6d8470f7d74163
- 0x37e6ec77767f23a3f800a68ca88388d5fdf09bc1fb1d3e9e2ae534a8f9ced43e
- 0xf5d5ce8cc1835d3cf9e8eb19bad31382d86b442d78b885f2efd845731ac39ee2
- 0xf28bb29f33488ccc51d4f1b85855c5c859ec1ee945855580aa3b5951b0a7f31d
- 0x5e05f7c02eb47fdda60e8a992c847ae6f631fda3c8a271fa9550dc8f1735027c
- 0x55aa4ed15a7103bee2aa84d11a3bad9a189e2b97e173f45f8e4be78d469cde0d
- 0xa2e5674fcc10c964861fbb98d1f682c2e24346c9f9f7f8e545244f42f75207a7
- 0xfcbe70e6806bc5e74c59372e42042f8b6a3a2290fd0287c7191d5427d1ed1efc
- 0x5d251e883c0069357a22831cebb319c52fe5f04a17c550ecf0dee07b97adf218
- 0x5c295f44fee7844fe001921189101c73d5ab26f05805bf5587a5f0e5ee351912
- 0xd8e00ce5342a08a947d0a4806e7254d076614766392d88153d93cf58ae69cf8b
- 0xc3c363818e1d5142c4629be55f1c9e168a7466e628cfd2a858fe171aff1e91ca
- 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5
- Day root
- 0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee
- Chained
- 0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b
- Published
- On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345