← The evidence ledger
Evidence row 120738
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://saylorinnovations.com/api/transit/philadelphia/alerts
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 3cb058af504e209f4f8d5cf38853b2410a652d7528e386ce82ee6e411c0c0c1a
- Leaf
- 0xfb1ab36aabb783573051e4f13803c317cd465ce614e0a750ee1d19d1d9126062
What was observed
{
"endpoints": [
[
"x402",
"https://saylorinnovations.com/api/transit/philadelphia/alerts"
]
],
"name": "Saylor Innovations Transit",
"owner_address": "0xa2a8df0f7caabea4e120a2568118f141569fc8aa",
"raw": {
"accepts": [
{
"amount": "10000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"assetTransferMethod": "eip3009",
"facilitatorOnly": true,
"memo": "saylor:transit:philadelphia-aler",
"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:transit:philadelphia-aler",
"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:transit:philadelphia-aler",
"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": "Hc3sdEAsCGQcpgfivywog9uwtk8gUBUZgsxdME1EJy88",
"memo": "saylor:transit:philadelphia-aler",
"reference": "2fc8oF9yXimPh3gk2eatBtRFvRUX7WbH8MXvPQkSCWw9",
"session": "eyJhcnRpY2xlSWQiOiJ0cmFuc2l0OnBoaWxhZGVscGhpYS1hbGVydHMiLCJyZWZlcmVuY2UiOiIyZmM4b0Y5eVhpbVBoM2drMmVhdEJ0UkZ2UlVYN1diSDhNWHZQUWtTQ1d3OSIsInJlY2lwaWVudCI6IjdMU2pmckpmOGZOc0I4VkE5dTdOM1dFbjI1c21RTHBvYjNTdnlVdlhhY3k3IiwibWludCI6IkVQakZXZGQ1QXVmcVNTcWVNMnFOMXh6eWJhcEM4RzR3RUdHa1p3eVREdDF2IiwibWluQW1vdW50IjoxMDAwMCwiZXhwIjoxNzkyNDAwNjI3NDg1fQ.Ds9BBnRI9smhfju-jj_9CSTgBk3Q8TozkRR0IjhRqAA"
},
"maxTimeoutSeconds": 120,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
"scheme": "exact"
},
{
"amount": "10000",
"asset": "Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB",
"extra": {
"feePayer": "Hc3sdEAsCGQcpgfivywog9uwtk8gUBUZgsxdME1EJy88",
"memo": "saylor:transit:philadelphia-aler",
"reference": "FDnYPVqHmX2EBVt12hfQWquvzoydGw6CVM9upZVkd6tk",
"session": "eyJhcnRpY2xlSWQiOiJ0cmFuc2l0OnBoaWxhZGVscGhpYS1hbGVydHMiLCJyZWZlcmVuY2UiOiJGRG5ZUFZxSG1YMkVCVnQxMmhmUVdxdXZ6b3lkR3c2Q1ZNOXVwWlZrZDZ0ayIsInJlY2lwaWVudCI6IjdMU2pmckpmOGZOc0I4VkE5dTdOM1dFbjI1c21RTHBvYjNTdnlVdlhhY3k3IiwibWludCI6IkVzOXZNRnJ6YUNFUm1KZnJGNEgyRllENEtDb05rWTExTWNDZThCZW53TllCIiwibWluQW1vdW50IjoxMDAwMCwiZXhwIjoxNzkyNDAwNjI3NDg1fQ.hhKQkrV2x0uyPbseTCsKvtTB8P7yuTnbKSrdkmaDqbA"
},
"maxTimeoutSeconds": 120,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
"scheme": "exact"
},
{
"amount": "91863",
"asset": "So11111111111111111111111111111111111111112",
"extra": {
"memo": "saylor:transit:philadelphia-aler",
"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": "94705",
"reference": "BgBikGtfveRdWKVYgWAnZeW97rnAZFZLn3tz8zq6XPWx",
"session": "eyJhcnRpY2xlSWQiOiJ0cmFuc2l0OnBoaWxhZGVscGhpYS1hbGVydHMiLCJyZWZlcmVuY2UiOiJCZ0Jpa0d0ZnZlUmRXS1ZZZ1dBblplVzk3cm5BWkZaTG4zdHo4enE2WFBXeCIsInJlY2lwaWVudCI6IjdMU2pmckpmOGZOc0I4VkE5dTdOM1dFbjI1c21RTHBvYjNTdnlVdlhhY3k3IiwibWludCI6bnVsbCwibWluQW1vdW50Ijo5MTg2MywiZXhwIjoxNzkyNDAwNjI3NDg1fQ.MPLUc-7hAQLTjRbSHrjs9tTz-noyFw1YKk7saSBtsII",
"solUsdPrice": 105.59
},
"maxTimeoutSeconds": 120,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
"scheme": "exact"
}
],
"description": "Philadelphia SEPTA service alerts and detours across all modes, filterable by route",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"type": "http"
},
"output": {
"example": {
"active_alerts": 1,
"alerts": [
{
"detour_message": "until 4:30am 10-2-26, Discontinued transit stop, Naple...",
"last_updated": "2026-09-28 03:10 pm",
"route": "1"
}
],
"route": null
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"active_alerts": {
"description": "Number of active alerts",
"type": "number"
},
"alerts": {
"description": "Active alerts",
"items": {
"type": "object"
},
"type": "array"
},
"generated_at": {
"description": "Time this response was generated (UTC)",
"type": [
"string",
"null"
]
},
"route": {
"description": "Route"
},
"source": {
"description": "Data source the values come from",
"type": [
"string",
"null"
]
}
},
"required": [
"active_alerts",
"alerts"
],
"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/v1790235422/bazaar-icons/bc5e2b3d111ebbef.jpg",
"lastUpdated": "2026-10-19T09:01:47.519Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-10-19T09:01:47.243Z"
},
"resource": "https://saylorinnovations.com/api/transit/philadelphia/alerts",
"serviceName": "Saylor Innovations Transit",
"tags": [
"transit",
"public-transport",
"philadelphia",
"alerts",
"real-time"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Philadelphia SEPTA service alerts and detours across all modes, filterable by route"
}What the leaf hashes
{"body":"3cb058af504e209f4f8d5cf38853b2410a652d7528e386ce82ee6e411c0c0c1a","id":120738,"kind":"listing","method":"baseline/1","observed_us":1793025618546792,"prev":null,"subject":"x402_bazaar:https://saylorinnovations.com/api/transit/philadelphia/alerts","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).
- 0xfb1a569df9c5c778c5b1f1374ff83d3ff59888a60715e8675baa08374cd4a6a6
- 0x1102c68e12c1ceeaf052e4ff3f5624ca0fc7412c689e7b37f9ae7a392193de65
- 0x73202fff2788c060a7087e76d5b9aec00f0b3efc30fcac63b933a2903b185241
- 0xb4d69b2f1b24b902f6a6875d95a9366ef9c4828309dee9fb657587553c18a602
- 0x1593cf400774783521a88a51f3e8af92bbb055d73750017ed2ff0350d2d38283
- 0x13889ea91214d9c0d3f29e50fe63a59fc7565aeb821416a26a54203b43a202a3
- 0x77adef1dd0196423487df7c0327a3f44964f85a56b8a6ccd37276067810b768c
- 0x87ef29fed265f05e3b3b87fedfc9614ae91c736eae7e0f03352eada2e822dbc1
- 0x49de922f45ee007e42e49298c5ee4bd4af64ea3d208ef9bcd71ab648f616bbce
- 0x1b07c7876c95e52802884c5d693a686ed53bb8a2740e3d87b145fb511a8d605e
- 0xcf10f42f956ec0f58e8d60fb00e23c6415064b00d70e8566efe0f1b98e7e1d0a
- 0xf8173f36b7a27e1bb0f6961a49501bba1d99349c5e11449d0d557fbaa910be0a
- 0xbee644d57738676bfb20eb90d6021f364bf883a8d54f8d17e9dc4749b4074c3d
- 0x44945ea9ad8b24e723ad5a8fd6d014024a49531783f74ff9229c2ab6930e84c8
- 0x68d296b1e00b4899fb83c3fba36fffaefa311eac2903067dbebfe776a12b4a9a
- 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
- 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae