← The evidence ledger
Evidence row 119544
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://saylorinnovations.com/api/city/sf-311
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 231635d617a5530c2e901cae19ed30dc3c66d07b747885c2ca5fd5ef3a684211
- Leaf
- 0xa9e5ec03034ced03cec1816ef0284de7f54022b770abc288a207e712d3acdb18
What was observed
{
"endpoints": [
[
"x402",
"https://saylorinnovations.com/api/city/sf-311"
]
],
"name": "Saylor Innovations Data Desk",
"owner_address": "0xa2a8df0f7caabea4e120a2568118f141569fc8aa",
"raw": {
"accepts": [
{
"amount": "10000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"assetTransferMethod": "eip3009",
"facilitatorOnly": true,
"memo": "saylor:datadesk:sf-311-cases",
"name": "USD Coin",
"note": "Base settles through an x402 facilitator. Send payload.signature and payload.authorization (EIP-3009); there is no self-submitted path on this network.",
"version": "2"
},
"maxTimeoutSeconds": 120,
"network": "eip155:8453",
"payTo": "0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa",
"scheme": "exact"
},
{
"amount": "10000",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"assetTransferMethod": "eip3009",
"facilitatorOnly": true,
"memo": "saylor:datadesk:sf-311-cases",
"name": "USD Coin",
"note": "Polygon settles through an x402 facilitator. Send payload.signature and payload.authorization (EIP-3009); there is no self-submitted path on this network.",
"version": "2"
},
"maxTimeoutSeconds": 120,
"network": "eip155:137",
"payTo": "0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa",
"scheme": "exact"
},
{
"amount": "10000",
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"extra": {
"assetTransferMethod": "eip3009",
"facilitatorOnly": true,
"memo": "saylor:datadesk:sf-311-cases",
"name": "USD Coin",
"note": "Arbitrum settles through an x402 facilitator. Send payload.signature and payload.authorization (EIP-3009); there is no self-submitted path on this network.",
"version": "2"
},
"maxTimeoutSeconds": 120,
"network": "eip155:42161",
"payTo": "0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa",
"scheme": "exact"
},
{
"amount": "10000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
"memo": "saylor:datadesk:sf-311-cases",
"reference": "Gjiaqd9FBJixF1N3XA68KxFfzAkf6FkcxaMok2ftD3Pf",
"session": "eyJhcnRpY2xlSWQiOiJkYXRhZGVzazpzZi0zMTEtY2FzZXMiLCJyZWZlcmVuY2UiOiJHamlhcWQ5RkJKaXhGMU4zWEE2OEt4RmZ6QWtmNkZrY3hhTW9rMmZ0RDNQZiIsInJlY2lwaWVudCI6IjdMU2pmckpmOGZOc0I4VkE5dTdOM1dFbjI1c21RTHBvYjNTdnlVdlhhY3k3IiwibWludCI6IkVQakZXZGQ1QXVmcVNTcWVNMnFOMXh6eWJhcEM4RzR3RUdHa1p3eVREdDF2IiwibWluQW1vdW50IjoxMDAwMCwiZXhwIjoxNzkyNDIxMDYyNzMyfQ.884awsVnOEiCmW-YoxJg1gFriMdyuScEnu894Z9jffg"
},
"maxTimeoutSeconds": 120,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
"scheme": "exact"
},
{
"amount": "10000",
"asset": "Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB",
"extra": {
"feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
"memo": "saylor:datadesk:sf-311-cases",
"reference": "HVQFh5WQSvV6duMYL2nnSLotzgL4jqWR9sMtZSQtPsC2",
"session": "eyJhcnRpY2xlSWQiOiJkYXRhZGVzazpzZi0zMTEtY2FzZXMiLCJyZWZlcmVuY2UiOiJIVlFGaDVXUVN2VjZkdU1ZTDJublNMb3R6Z0w0anFXUjlzTXRaU1F0UHNDMiIsInJlY2lwaWVudCI6IjdMU2pmckpmOGZOc0I4VkE5dTdOM1dFbjI1c21RTHBvYjNTdnlVdlhhY3k3IiwibWludCI6IkVzOXZNRnJ6YUNFUm1KZnJGNEgyRllENEtDb05rWTExTWNDZThCZW53TllCIiwibWluQW1vdW50IjoxMDAwMCwiZXhwIjoxNzkyNDIxMDYyNzMyfQ.ianqt0jHF1b7-G32pTvq035-7XKj-igpbkcfjXV0ALY"
},
"maxTimeoutSeconds": 120,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
"scheme": "exact"
},
{
"amount": "93457",
"asset": "So11111111111111111111111111111111111111112",
"extra": {
"memo": "saylor:datadesk:sf-311-cases",
"native": true,
"note": "Native SOL: send lamports with a system transfer, not an SPL transfer. Price is quoted live and this quote expires in 120s.",
"quotedLamports": "96348",
"reference": "3kbbWGsUofwWx5bA4zhKZ1xgNKJft2aa5Y17M61d1EJ8",
"session": "eyJhcnRpY2xlSWQiOiJkYXRhZGVzazpzZi0zMTEtY2FzZXMiLCJyZWZlcmVuY2UiOiIza2JiV0dzVW9md1d4NWJBNHpoS1oxeGdOS0pmdDJhYTVZMTdNNjFkMUVKOCIsInJlY2lwaWVudCI6IjdMU2pmckpmOGZOc0I4VkE5dTdOM1dFbjI1c21RTHBvYjNTdnlVdlhhY3k3IiwibWludCI6bnVsbCwibWluQW1vdW50Ijo5MzQ1NywiZXhwIjoxNzkyNDIxMDYyNzMyfQ.I4Cv5viGO7wGs7XiNp-34Gg7xk14axEDSDJ52gKDvS0",
"solUsdPrice": 103.79
},
"maxTimeoutSeconds": 120,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
"scheme": "exact"
}
],
"description": "San Francisco 311 cases by service type and neighborhood - the newest cases with status, agency and location plus the top services in the window",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"days": "7",
"limit": "5",
"service": "graffiti"
},
"type": "http"
},
"output": {
"example": {
"filters": {
"days": 7,
"neighborhood": null,
"service": "graffiti"
},
"note": "San Francisco 311 cases (street cleaning, graffiti, encampments, noise, potholes) from DataSF; top_services counts all matching cases in the window.",
"recent": [
{
"address": "611 PENNSYLVANIA AVE, SAN FRANCISCO, CA 94107, US",
"agency": "PW - Street and Environmental Services",
"lat": 37.758829023386866,
"lon": -122.39286748453826,
"neighborhood": "Potrero Hill",
"notes": "open",
"opened": "2026-10-16T02:39:29.000Z",
"service": "Graffiti Public",
"source_channel": "Mobile",
"status": "Open",
"subtype": "offensive"
},
{
"address": "335 LAGUNA HONDA BLVD, Virtual, SAN FRANCISCO, CA 94116, US",
"agency": "PW - Street and Environmental Services",
"lat": 37.74843133,
"lon": -122.45889124,
"neighborhood": "Twin Peaks",
"notes": "open",
"opened": "2026-10-16T00:35:59.000Z",
"service": "Graffiti Private",
"source_channel": "Web",
"status": "Open",
"subtype": "not_offensive"
},
{
"address": "497 GROVE ST, Virtual, SAN FRANCISCO, CA 94102, US",
"agency": "PW - Street and Environmental Services",
"lat": 37.77754196,
"lon": -122.42462694,
"neighborhood": "Hayes Valley",
"notes": "open",
"opened": "2026-10-16T00:21:58.000Z",
"service": "Graffiti Public",
"source_channel": "Web",
"status": "Open",
"subtype": "not_offensive"
},
{
"address": "2162 BUSH ST, SAN FRANCISCO, CA 94115, US",
"agency": "US Postal Service Maintenance",
"lat": 37.78688293266645,
"lon": -122.43317678822802,
"neighborhood": "Pacific Heights",
"notes": "open",
"opened": "2026-10-15T23:54:19.000Z",
"service": "Graffiti Public",
"source_channel": "Mobile",
"status": "Open",
"subtype": "not_offensive"
},
{
"address": "825 POLK ST, SAN FRANCISCO, CA 94109, US",
"agency": "CBD - Tenderloin",
"lat": 37.78426500336954,
"lon": -122.419492922619,
"neighborhood": "Tenderloin",
"notes": "open",
"opened": "2026-10-15T23:43:57.000Z",
"service": "Graffiti Private",
"source_channel": "Mobile",
"status": "Open",
"subtype": "not_offensive"
}
],
"source": "DataSF",
"top_services": [
{
"cases": 1090,
"service": "Graffiti Public"
},
{
"cases": 361,
"service": "Graffiti Private"
}
]
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"days": {
"description": "optional 1-60, default 7",
"type": "string"
},
"limit": {
"description": "optional 1-50, default 10",
"type": "string"
},
"service": {
"description": "optional service text such as graffiti, street, noise",
"type": "string"
}
},
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"filters": {
"description": "Filters applied to this query",
"properties": {
"days": {
"description": "Number of days",
"type": [
"number",
"null"
]
},
"neighborhood": {
"description": "Neighbourhood filter applied"
},
"service": {
"description": "Service name",
"type": [
"string",
"null"
]
}
},
"type": "object"
},
"note": {
"description": "Caveat or context for reading the result",
"type": "string"
},
"recent": {
"description": "Most recent matching cases with opened time, service name, status, neighbourhood and address",
"items": {
"properties": {
"address": {
"description": "Account or contract address"
},
"agency": {
"description": "Responsible agency",
"type": [
"string",
"null"
]
},
"lat": {
"description": "Latitude in decimal degrees"
},
"lon": {
"description": "Longitude in decimal degrees"
},
"neighborhood": {
"description": "Neighbourhood",
"type": [
"string",
"null"
]
},
"notes": {
"description": "Status notes",
"type": [
"string",
"null"
]
},
"opened": {
"description": "When the case was opened (UTC)",
"type": [
"string",
"null"
]
},
"service": {
"description": "Service name"
},
"source_channel": {
"description": "Source channel"
},
"status": {
"description": "Current status"
},
"subtype": {
"description": "Case subtype",
"type": [
"string",
"null"
]
}
},
"type": "object"
},
"type": "array"
},
"source": {
"description": "Data source the values come from",
"type": "string"
},
"top_services": {
"description": "Top services",
"type": "array"
}
},
"required": [
"filters",
"recent"
],
"type": "object"
},
"type": {
"const": "json",
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1791811517/bazaar-icons/bc5e2b3d111ebbef.jpg",
"lastUpdated": "2026-10-19T14:42:22.787Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-10-19T14:42:22.271Z"
},
"resource": "https://saylorinnovations.com/api/city/sf-311",
"serviceName": "Saylor Innovations Data Desk",
"tags": [
"san francisco 311 requests",
"graffiti reports in the mission",
"sf street cleaning complaints",
"top 311 services in san",
"tenderloin 311 cases this week"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "San Francisco 311 cases by service type and neighborhood - the newest cases with status, agency and location plus the top services in the window"
}What the leaf hashes
{"body":"231635d617a5530c2e901cae19ed30dc3c66d07b747885c2ca5fd5ef3a684211","id":119544,"kind":"listing","method":"baseline/1","observed_us":1793025615795553,"prev":null,"subject":"x402_bazaar:https://saylorinnovations.com/api/city/sf-311","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).
- 0xa9e5e429c414ab517246940f1360608b93df175a6665a41120c14c39bcbeb6fa
- 0x8ff68e479b6f4f3e2225e7734418d184ff1cc5953fdbeff659ea2a9c8b6f0fd7
- 0x0fdfc8b54ec16a678ebc4f1ecc56a88f8fc3ec57d95487c693c6f4e1cc1d5a5b
- 0x7ca3f49f80dbf786e6a47c7e6e8e22e7f5f3205848189f924a5dfefde534b06e
- 0x87029985c658730bc81389561d8d71996d73668f18c756b077d23b580f2e07e4
- 0xf40b4e874dc6d91e9ac5f3b6d683fc0ebf36d7c367f72acf8c87356e622e657e
- 0x208de76f3fe153507abcffcb1c65c393b9db7909ffb3caf49b28e331de026e7f
- 0x8f14ab6c88413edb8a4c4942f3c7022cc8f31824d3dcf1c22f0b35b7f531ee73
- 0xc580924a5a23f25de4357c17fc84cd3fafa3d3afccfd4e18ea2cb141221341eb
- 0x382774117c6a99ced4320ca176d4e72cc7226f2fa6e3d8ac0173511fe55d6919
- 0x55ba80743bf45624f0b04651dfd0a37e2a85f91f45e334ff14efbb74a49dd361
- 0x09a19b8d31a6e948e5051cb72b98b1d2b2bfe053f62d6d24d61c22b3ed1c3f24
- 0x4700d6dfdb40e52e2ceb8ffe62c75f3f708d23452f828255fd003d795f5d9d66
- 0x3b4dba7d874fc323b0a364140a9c60f37bf547fe671897653118a9873fe03420
- 0x1a74ed3b3756b9cd946da49701bcec120ec88645013da99fa9eea60b39e1a570
- 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
- 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae