← The evidence ledger
Evidence row 120413
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://saylorinnovations.com/api/media/commons
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- b139cf3f704556f7b78b1b21fca1ffd8afd6f4d86fe42e950769bba8f30d2adb
- Leaf
- 0x01611354f7fcb2563f31c1107add0472c9e89ba42ad694af068bebb9ae96f7dc
What was observed
{
"endpoints": [
[
"x402",
"https://saylorinnovations.com/api/media/commons"
]
],
"name": "Saylor Innovations Data Desk",
"owner_address": "0xa2a8df0f7caabea4e120a2568118f141569fc8aa",
"raw": {
"accepts": [
{
"amount": "10000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"assetTransferMethod": "eip3009",
"facilitatorOnly": true,
"memo": "saylor:datadesk:commons-images",
"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:commons-images",
"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:commons-images",
"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:datadesk:commons-images",
"reference": "B5f7Jqyx3dgJ3Mvrxwq2BHHkmNERh5ZmTxqPz3TB2Kxn",
"session": "eyJhcnRpY2xlSWQiOiJkYXRhZGVzazpjb21tb25zLWltYWdlcyIsInJlZmVyZW5jZSI6IkI1ZjdKcXl4M2RnSjNNdnJ4d3EyQkhIa21ORVJoNVptVHhxUHozVEIyS3huIiwicmVjaXBpZW50IjoiN0xTamZySmY4Zk5zQjhWQTl1N04zV0VuMjVzbVFMcG9iM1N2eVV2WGFjeTciLCJtaW50IjoiRVBqRldkZDVBdWZxU1NxZU0ycU4xeHp5YmFwQzhHNHdFR0drWnd5VER0MXYiLCJtaW5BbW91bnQiOjEwMDAwLCJleHAiOjE3OTIzNzc3Njk1MjJ9.auJ-zZRE-na9kU0p0mIKgTVb1-Ey_evlgmSJUEdUx0k"
},
"maxTimeoutSeconds": 120,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
"scheme": "exact"
},
{
"amount": "10000",
"asset": "Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB",
"extra": {
"feePayer": "Hc3sdEAsCGQcpgfivywog9uwtk8gUBUZgsxdME1EJy88",
"memo": "saylor:datadesk:commons-images",
"reference": "GkVRUJCLcwwQT5bc85aQjzeykcwYbfHXqbbw6BqUcevF",
"session": "eyJhcnRpY2xlSWQiOiJkYXRhZGVzazpjb21tb25zLWltYWdlcyIsInJlZmVyZW5jZSI6IkdrVlJVSkNMY3d3UVQ1YmM4NWFRanpleWtjd1liZkhYcWJidzZCcVVjZXZGIiwicmVjaXBpZW50IjoiN0xTamZySmY4Zk5zQjhWQTl1N04zV0VuMjVzbVFMcG9iM1N2eVV2WGFjeTciLCJtaW50IjoiRXM5dk1GcnphQ0VSbUpmckY0SDJGWUQ0S0NvTmtZMTFNY0NlOEJlbndOWUIiLCJtaW5BbW91bnQiOjEwMDAwLCJleHAiOjE3OTIzNzc3Njk1MjJ9.IrzxmQ-5Ps38-9i78m1b0bzAMq-zaviItvbp-ktTLHI"
},
"maxTimeoutSeconds": 120,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
"scheme": "exact"
},
{
"amount": "92486",
"asset": "So11111111111111111111111111111111111111112",
"extra": {
"memo": "saylor:datadesk:commons-images",
"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": "95347",
"reference": "31bLiHaJDnsyGch1JhXC69jMoFKNfLRhSvmaSLvj8MZH",
"session": "eyJhcnRpY2xlSWQiOiJkYXRhZGVzazpjb21tb25zLWltYWdlcyIsInJlZmVyZW5jZSI6IjMxYkxpSGFKRG5zeUdjaDFKaFhDNjlqTW9GS05mTFJoU3ZtYVNMdmo4TVpIIiwicmVjaXBpZW50IjoiN0xTamZySmY4Zk5zQjhWQTl1N04zV0VuMjVzbVFMcG9iM1N2eVV2WGFjeTciLCJtaW50IjpudWxsLCJtaW5BbW91bnQiOjkyNDg2LCJleHAiOjE3OTIzNzc3Njk1MjJ9.69bm5zysB2BhrmneD9_dQGWawks6XiW1iIAXKzSIFDM",
"solUsdPrice": 104.88
},
"maxTimeoutSeconds": 120,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
"scheme": "exact"
}
],
"description": "Search Wikimedia Commons images - licence name and URL, author credit, description, dimensions, original file URL and 640px thumbnail for each file",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"q": "aurora borealis"
},
"type": "http"
},
"output": {
"example": {
"files": [
{
"author": "Frederic Edwin Church",
"credit": "3QGtI0P71obkqA at Google Cultural Institute maximum zoom level",
"description": null,
"file_url": "https://upload.wikimedia.org/wikipedia/commons/d/da/Frederic_Edwin_Church_-_Aurora_Borealis_-_Google_Art_Project.jpg?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=original",
"height": 2692,
"license": "Public domain",
"license_url": null,
"mime": "image/jpeg",
"page_url": "https://commons.wikimedia.org/wiki/File:Frederic_Edwin_Church_-_Aurora_Borealis_-_Google_Art_Project.jpg",
"thumbnail_640": "https://thumb.wikimedia.org/wikipedia/commons/thumb/d/da/Frederic_Edwin_Church_-_Aurora_Borealis_-_Google_Art_Project.jpg/960px-Frederic_Edwin_Church_-_Aurora_Borealis_-_Google_Art_Project.jpg?utm_so…",
"title": "Frederic Edwin Church - Aurora Borealis - Google Art Project.jpg",
"width": 4001
},
{
"author": "United States Air Force photo by Senior Airman Joshua Strang",
"credit": "This image was released by the United States Air Force with the ID 050118-F-3488S-003 (next) . This tag does not indicate the copyright status of the attached work. A normal copyright tag is still re…",
"description": "Eielson Air Force Base , Alaska — The Aurora Borealis , or Northern Lights, shines above Bear Lake",
"file_url": "https://upload.wikimedia.org/wikipedia/commons/d/d3/Aurora_borealis_over_Eielson_Air_Force_Base%2C_Alaska.jpg?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=original",
"height": 1960,
"license": "Public domain",
"license_url": null,
"mime": "image/jpeg",
"page_url": "https://commons.wikimedia.org/wiki/File:Aurora_borealis_over_Eielson_Air_Force_Base,_Alaska.jpg",
"thumbnail_640": "https://thumb.wikimedia.org/wikipedia/commons/thumb/d/d3/Aurora_borealis_over_Eielson_Air_Force_Base%2C_Alaska.jpg/960px-Aurora_borealis_over_Eielson_Air_Force_Base%2C_Alaska.jpg?utm_source=commons.w…",
"title": "Aurora borealis over Eielson Air Force Base, Alaska.jpg",
"width": 3008
},
{
"author": "Pavel.shyshkouski",
"credit": "Own work",
"description": "Aurora borealis in Abisko National Park near Torneträsk lake in Sweden.",
"file_url": "https://upload.wikimedia.org/wikipedia/commons/a/a6/Aurora_in_Abisko_near_Tornetr%C3%A4sk.jpg?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=original",
"height": 3628,
"license": "CC BY-SA 4.0",
"license_url": "https://creativecommons.org/licenses/by-sa/4.0",
"mime": "image/jpeg",
"page_url": "https://commons.wikimedia.org/wiki/File:Aurora_in_Abisko_near_Tornetr%C3%A4sk.jpg",
"thumbnail_640": "https://thumb.wikimedia.org/wikipedia/commons/thumb/a/a6/Aurora_in_Abisko_near_Tornetr%C3%A4sk.jpg/960px-Aurora_in_Abisko_near_Tornetr%C3%A4sk.jpg?utm_source=commons.wikimedia.org&utm_campaign=imagei…",
"title": "Aurora in Abisko near Torneträsk.jpg",
"width": 5442
}
],
"note": "Check each file license and give the author credit when you reuse it.",
"query": "aurora borealis",
"returned": 8,
"source": "Wikimedia Commons"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"q": {
"description": "What to find, e.g. aurora borealis, Eiffel Tower night",
"type": "string"
}
},
"required": [
"q"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"files": {
"description": "Files included",
"type": "array"
},
"note": {
"description": "Caveat or context for reading the result",
"type": "string"
},
"query": {
"description": "The query as the server interpreted it",
"type": "string"
},
"returned": {
"description": "Number of items in this response",
"type": "number"
},
"source": {
"description": "Data source the values come from",
"type": "string"
}
},
"required": [
"query",
"files"
],
"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": "2026-10-19T02:40:49.573Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-10-19T02:40:49.364Z"
},
"resource": "https://saylorinnovations.com/api/media/commons",
"serviceName": "Saylor Innovations Data Desk",
"tags": [
"wikimedia commons image search",
"free photo with license",
"public domain image lookup",
"commons file url and thumbnail",
"image attribution data"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Search Wikimedia Commons images - licence name and URL, author credit, description, dimensions, original file URL and 640px thumbnail for each file"
}What the leaf hashes
{"body":"b139cf3f704556f7b78b1b21fca1ffd8afd6f4d86fe42e950769bba8f30d2adb","id":120413,"kind":"listing","method":"baseline/1","observed_us":1793025618029333,"prev":null,"subject":"x402_bazaar:https://saylorinnovations.com/api/media/commons","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).
- 0x0160fe84e7b415650214134ccbcdd0a562f089612877e289b9207926582d0478
- 0xe3d246968adc02ccfa1fc65e719b68cab5743ff2394cd4059bbf7df55c53e26d
- 0xa25690de352a60b7bb6be5ef297749bbce6a8d4dba49961de61155a532aa2493
- 0xf7ceab54bd6c07483fda41ff12b234230b6e02794b8b3f17f6e98667d5dd8603
- 0x9f3e59b1a806674b5305717c860f54a6e37bce70df82e4f9fcbd6de87363cfea
- 0xeeccf72a798f4f3df789a24e93f40e5bce90d3732b1c65b49317ae2ceb04b56a
- 0x54c6b7ce83bd00bdb5a0b406e28cc700659304177374d087bb459aa265f802b8
- 0x98231fe4658a1da7786f63e36ce693eacba07d34505bba0ac4ab6c3eedb89aee
- 0x6f9f32f8dee03dc8a2b7a23278fac64d4b56353e3c998aa67f6d60cb88715fcd
- 0x85169a6117e10c7135af42ad727319d6b57941ee86aa8669f8bb9b75982421cf
- 0xdbc41a9a60a4504b5d2eaf9b4bdc4f7e216ca3dfaa1fe4bcdd27541133e12a2d
- 0x9d52e830c7a3480876eca1592c3b5c4a56ee3a8c6fdd4e37c57710b7654e36c7
- 0x92ff7d176556ddbe3d885e2ab73948b14a6aa3568a8fd237427d4f8415235a23
- 0xd1d3499072edb10edc68f84bcae2365d2ab534df689250cab18c751b6f13b6ff
- 0x7ddc2fead128357f881b63e6c7c26d7fbbb84fca6c7c8e0bbfe386de86ca8d39
- 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
- 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae