← The evidence ledger
Evidence row 119842
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://saylorinnovations.com/api/explorer/kaspa/tx
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 309e45972f693d72b02ef55b6e91d49f19c9507c70c76330c2f54cac11b8eda2
- Leaf
- 0x832ce8ebac6db85e989a0970526928a8bfd17974b5b262d9166c902b65d52fef
What was observed
{
"endpoints": [
[
"x402",
"https://saylorinnovations.com/api/explorer/kaspa/tx"
]
],
"name": "Saylor Innovations Data Desk",
"owner_address": "0xa2a8df0f7caabea4e120a2568118f141569fc8aa",
"raw": {
"accepts": [
{
"amount": "10000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"assetTransferMethod": "eip3009",
"facilitatorOnly": true,
"memo": "saylor:datadesk:explorer-kaspa-t",
"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:explorer-kaspa-t",
"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:explorer-kaspa-t",
"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:explorer-kaspa-t",
"reference": "GDzVdqBtNDx57ghPNAaw5WwfJ9QtDViHaa1N3Va2NmaQ",
"session": "eyJhcnRpY2xlSWQiOiJkYXRhZGVzazpleHBsb3Jlci1rYXNwYS10eCIsInJlZmVyZW5jZSI6IkdEelZkcUJ0TkR4NTdnaFBOQWF3NVd3Zko5UXREVmlIYWExTjNWYTJObWFRIiwicmVjaXBpZW50IjoiN0xTamZySmY4Zk5zQjhWQTl1N04zV0VuMjVzbVFMcG9iM1N2eVV2WGFjeTciLCJtaW50IjoiRVBqRldkZDVBdWZxU1NxZU0ycU4xeHp5YmFwQzhHNHdFR0drWnd5VER0MXYiLCJtaW5BbW91bnQiOjEwMDAwLCJleHAiOjE3OTI1NTQ4NDA4MTZ9.woUYFFUyNbv4H6qO_5jGGfYpA-5nbiP4uJOK4RHl29E"
},
"maxTimeoutSeconds": 120,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
"scheme": "exact"
},
{
"amount": "10000",
"asset": "Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB",
"extra": {
"feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
"memo": "saylor:datadesk:explorer-kaspa-t",
"reference": "2D8azdGco2NxhnYHxBdiw57feDRk4Yt4p6tkCu4uGzDu",
"session": "eyJhcnRpY2xlSWQiOiJkYXRhZGVzazpleHBsb3Jlci1rYXNwYS10eCIsInJlZmVyZW5jZSI6IjJEOGF6ZEdjbzJOeGhuWUh4QmRpdzU3ZmVEUms0WXQ0cDZ0a0N1NHVHekR1IiwicmVjaXBpZW50IjoiN0xTamZySmY4Zk5zQjhWQTl1N04zV0VuMjVzbVFMcG9iM1N2eVV2WGFjeTciLCJtaW50IjoiRXM5dk1GcnphQ0VSbUpmckY0SDJGWUQ0S0NvTmtZMTFNY0NlOEJlbndOWUIiLCJtaW5BbW91bnQiOjEwMDAwLCJleHAiOjE3OTI1NTQ4NDA4MTZ9.5iMs9YSQNTGQIl2CiES1bTpqnpREkwlkL5FjISvor3o"
},
"maxTimeoutSeconds": 120,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
"scheme": "exact"
},
{
"amount": "91508",
"asset": "So11111111111111111111111111111111111111112",
"extra": {
"memo": "saylor:datadesk:explorer-kaspa-t",
"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": "94339",
"reference": "GjerKyHtdm2DQG6LkvGFHQqTCHhYV2QDeF3baPmV3cXn",
"session": "eyJhcnRpY2xlSWQiOiJkYXRhZGVzazpleHBsb3Jlci1rYXNwYS10eCIsInJlZmVyZW5jZSI6IkdqZXJLeUh0ZG0yRFFHNkxrdkdGSFFxVENIaFlWMlFEZUYzYmFQbVYzY1huIiwicmVjaXBpZW50IjoiN0xTamZySmY4Zk5zQjhWQTl1N04zV0VuMjVzbVFMcG9iM1N2eVV2WGFjeTciLCJtaW50IjpudWxsLCJtaW5BbW91bnQiOjkxNTA4LCJleHAiOjE3OTI1NTQ4NDA4MTZ9.A1kpQTgrCyEarYbkkUVrgUvQs4IHHa9px7L3ss6xtfc",
"solUsdPrice": 106
},
"maxTimeoutSeconds": 120,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
"scheme": "exact"
}
],
"description": "Kaspa transaction lookup: accepted status, inputs and outputs with addresses, fee, mass and block time, read from the Kaspa REST indexer.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"txid": "40d26e849c675841d1f9607a420726f3d26f5511bb01e6e2a52e9cc3599a6b12"
},
"type": "http"
},
"output": {
"example": {
"accepted": true,
"chain": "kaspa",
"fee_kas": 0.006,
"input_count": 2,
"inputs": [
{
"address": "kaspa:qplv9dmcqvyyfxj9lrd0q44wy0rhrsm7kfn887rwmvrjt9c8weyyyrvv45rkh",
"amount_kas": 617.27,
"index": 0,
"previous_tx": "9031d48330f22c7963a07a912e0ee2782a7dbdbf411a3440e68281e93676ee21"
},
{
"address": "kaspa:qrs3v5pcuk007wtpj620h7nn8z7l66xl07x63yvjnzluhhsxxlyt7c3ascn7c",
"amount_kas": 300584.44953184,
"index": 0,
"previous_tx": "a97833b4d39f2974bacce70e75083dffb57ef2f7a70531e8b4e7a288be710f6a"
}
],
"mass": 4742,
"note": "Read from a Kaspa indexer API. accepted false means the transaction is in a block but not yet accepted by the chain: wait before treating it as final. The fee is inputs minus outputs and is null for coinbase (mining reward) transactions, which have no inputs.",
"output_count": 1,
"outputs": [
{
"address": "kaspa:qrs3v5pcuk007wtpj620h7nn8z7l66xl07x63yvjnzluhhsxxlyt7c3ascn7c",
"amount_kas": 301201.71353184,
"index": 0
}
],
"source": "Kaspa REST API",
"time": "2026-10-20T17:24:13.637Z",
"total_input_kas": 301201.71953184,
"total_output_kas": 301201.71353184,
"txid": "40d26e849c675841d1f9607a420726f3d26f5511bb01e6e2a52e9cc3599a6b12"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"txid": {
"description": "the Kaspa transaction id (64 hex characters)",
"type": "string"
}
},
"required": [
"txid"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"accepted": {
"type": "boolean"
},
"chain": {
"description": "Blockchain the data is for",
"type": "string"
},
"fee_kas": {
"description": "Fee kas",
"type": [
"number",
"null"
]
},
"input_count": {
"description": "Number of input",
"type": "number"
},
"inputs": {
"type": "array"
},
"mass": {
"type": [
"number",
"null"
]
},
"note": {
"description": "Caveat or context for reading the result",
"type": "string"
},
"output_count": {
"description": "Number of output",
"type": "number"
},
"outputs": {
"type": "array"
},
"source": {
"description": "Data source the values come from",
"type": "string"
},
"time": {
"description": "Time",
"type": [
"string",
"null"
]
},
"total_input_kas": {
"description": "Total input kas",
"type": [
"number",
"null"
]
},
"total_output_kas": {
"description": "Total output kas",
"type": "number"
},
"txid": {
"type": "string"
}
},
"required": [
"chain",
"txid",
"accepted",
"input_count",
"output_count",
"total_output_kas",
"inputs",
"outputs",
"note",
"source"
],
"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": "2026-10-21T03:52:00.854Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-10-21T03:52:00.683Z"
},
"resource": "https://saylorinnovations.com/api/explorer/kaspa/tx",
"serviceName": "Saylor Innovations Data Desk",
"tags": [
"kaspa transaction lookup",
"kaspa tx status",
"kas transfer details",
"kaspa inputs outputs",
"kaspa fee mass"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Kaspa transaction lookup: accepted status, inputs and outputs with addresses, fee, mass and block time, read from the Kaspa REST indexer."
}What the leaf hashes
{"body":"309e45972f693d72b02ef55b6e91d49f19c9507c70c76330c2f54cac11b8eda2","id":119842,"kind":"listing","method":"baseline/1","observed_us":1793025616569269,"prev":null,"subject":"x402_bazaar:https://saylorinnovations.com/api/explorer/kaspa/tx","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).
- 0x832d1d8424984117bd4a0cee2169b823a36f33072224575d9873004b7126624a
- 0x908b11e6bc29036a325edd4b1b455d3c5a1cfab3df364aa1faee49453c3b9c16
- 0xfd104a51d3faf59a7baaea35d31a6015fc63f601a9232cb6b6f6c01942218b6c
- 0xed742bc4e83ef5b200bb8232ae968595fb60abb2e561ff961a80909f1e3851c5
- 0x4426ef4ceeace4fa59fc303823995387b98de3c6c9e541c60dd3bb70a015b237
- 0x94aed827efd5169e759bd30b12397a717241522b313e2ece17937a4e8bc55ae6
- 0x529c5cf8f893c30228440ba5236dc68976530cdc94b0f77f641df0d01b961333
- 0xacad0f9a3f73a8e6ed8075c2de7160a3bc80740c46f8e14c41cd66c47a8d4d91
- 0x3dad3f37dda3f6ba29a198ef717b4cfdf355397e80bf35ab1e416791eb7d3e46
- 0x77d9a819e7da4b6e40623e7602d7c7d412287edd9a1c98aa67bad88cfa8db3ce
- 0x6e037384448a2bbd201b4e7e9e6e447d7254d0d2926b3fd2e81fdf99eae4a06b
- 0xfdaa032291ded0df2cf35d6e9dc6e7a2643d0fe027dd3ab321971f1f7bf69147
- 0x91c2ae93ec20c7fed5088112fe3941ca622dfb3f8f1022c4844726c361244bd4
- 0x0eff463856b0992d53ab7d8c0b97c71541413358bdd445710c1e4b6aeb4d8f78
- 0x7eb603d37f0f22dae1ea013e391889906ffc0139ff26e25b044bee38eec8f9b2
- 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
- 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae