← The evidence ledger
Evidence row 2201677
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://license-intel.x402tookit.com/license-lookup
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- ce66a6d066e06fab1e5571f0dd58d348fd943e8ef0615fec13fd16bae29c283a
- Leaf
- 0xef872b1693922270ae5467ae111a01e7ad624ba5d556ddf0f6c54598e3828eeb
What was observed
{
"endpoints": [
[
"x402",
"https://license-intel.x402tookit.com/license-lookup"
]
],
"name": "License Intel",
"owner_address": "0xb531320805c5bed1d46aeadcf4f008fdf172dbda",
"raw": {
"accepts": [
{
"amount": "20000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
"scheme": "exact"
},
{
"amount": "20000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
"transactionVersions": [
0
]
},
"maxTimeoutSeconds": 300,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "DUPiupXtuox38dcGoXUKer5mAydCzmaHjrbQ66qeEm8s",
"scheme": "exact"
},
{
"amount": "20000",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:137",
"payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
"scheme": "exact"
},
{
"amount": "20000",
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:42161",
"payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
"scheme": "exact"
}
],
"description": "Look up an SPDX license id: name, OSI and FSF status, deprecated flag, links, and plain-language permissions and duties.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"id": "Apache-2.0"
},
"type": "http"
},
"output": {
"example": {
"asOf": "2026-10-11T14:39:35.738Z",
"attribution": "License list: SPDX (CC0-1.0). Summaries: Choose a License (choosealicense.com, CC BY 3.0).",
"conditions": [
"License and copyright notice",
"State changes"
],
"degraded": false,
"deprecated": false,
"disclaimer": "Screening signal computed from the named public source. Not financial, legal or investment advice; provided as is. Verify at the source before acting.",
"family": "permissive",
"fsfLibre": true,
"licenseId": "Apache-2.0",
"limitations": [
"Trademark use",
"Liability",
"…1 more"
],
"listVersion": "3.29.0",
"name": "Apache License 2.0",
"notChecked": [
"the full license text and any project-specific exceptions or dual-licensing",
"legal effect in your jurisdiction",
"…1 more"
],
"osiApproved": true,
"overview": "A permissive license whose main conditions require preservation of copyright and license notices. Contributors provide an express grant of patent rights. Licensed works, modifications, and larger work…",
"permissions": [
"Commercial use",
"Modification",
"…3 more"
],
"reasons": [
"License list: SPDX (CC0-1.0). Summaries: Choose a License (choosealicense.com, CC BY 3.0).",
"Identifier is current on the SPDX list.",
"…1 more"
],
"reference": "https://spdx.org/licenses/Apache-2.0.html",
"seeAlso": [
"https://www.apache.org/licenses/LICENSE-2.0",
"https://opensource.org/license/apache-2.0"
],
"source": "SPDX License List + Choose a License",
"sourceUrl": "https://spdx.org/licenses/",
"summary": "Apache-2.0 is \"Apache License 2.0\", OSI approved, FSF libre; family: permissive.",
"verdict": "FOUND"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"id": {
"description": "SPDX license identifier, for example MIT or Apache-2.0",
"type": "string"
}
},
"required": [
"id"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"asOf": {
"type": [
"null",
"string"
]
},
"attribution": {
"type": [
"null",
"string"
]
},
"conditions": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"degraded": {
"type": [
"boolean",
"null"
]
},
"deprecated": {
"type": [
"boolean",
"null"
]
},
"disclaimer": {
"type": [
"null",
"string"
]
},
"family": {
"type": [
"null",
"string"
]
},
"fsfLibre": {
"type": [
"boolean",
"null"
]
},
"licenseId": {
"type": [
"null",
"string"
]
},
"limitations": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"listVersion": {
"type": [
"null",
"string"
]
},
"name": {
"type": [
"null",
"string"
]
},
"notChecked": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"osiApproved": {
"type": [
"boolean",
"null"
]
},
"overview": {
"type": [
"null",
"string"
]
},
"permissions": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"reasons": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"reference": {
"type": [
"null",
"string"
]
},
"seeAlso": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"source": {
"type": [
"null",
"string"
]
},
"sourceUrl": {
"type": [
"null",
"string"
]
},
"summary": {
"type": [
"null",
"string"
]
},
"verdict": {
"type": [
"null",
"string"
]
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-11-01T23:33:20.338Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-11-01T23:33:20.171Z"
},
"resource": "https://license-intel.x402tookit.com/license-lookup",
"serviceName": "License Intel",
"tags": [
"license",
"spdx",
"osi",
"open-source"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Look up an SPDX license id: name, OSI and FSF status, deprecated flag, links, and plain-language permissions and duties."
}What the leaf hashes
{"body":"ce66a6d066e06fab1e5571f0dd58d348fd943e8ef0615fec13fd16bae29c283a","id":2201677,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646807830267,"prev":null,"subject":"x402_bazaar:https://license-intel.x402tookit.com/license-lookup","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (444186 rows).
- 0xef87470aa9468b0dc2a82ff31ce6ceb2cfcd303a4f1ab616b22846bdaddb3131
- 0x9ea0a1efbf18d7c97b06db426e713ceef74305c7839fd4090ec78e9155622382
- 0xc7dfe1e4f79b3b9faadac9f8024c02444f3cd07bdb6ff018ce5e631f7b71db5f
- 0xaab207021ec179f1ddc06db15b2a1d99f0f8039c25f6d9271cacabbfe2f137ab
- 0xe116b6a85749c9c4e42893d7d7a90668bdf2577873dec7a1148f788537ebbada
- 0x06ccf8a04c4fbb0e2cb4825d16da6c5c64f7112d9c97706f3a82789dae1b7300
- 0xad9d034042da9be7f35e69c0fd7d389c42f8e564354096ba4c798f92b4468bdf
- 0x674adc5812e51bcb29c5a91c64b08e46e9ffbd2c4a9ef4ab464447f49821bad5
- 0xddb90c71701794c16408b4b22bc01e2f22023f5dbc174187753c65fb05e62d90
- 0x3cbfd0614292dbb98c722dab0c23423c3e85d3c390da3a28fc71ec926dccfa35
- 0xaa2e865008eca144975b207612c7c4850c0d2e9fd52e97b061a91248b43db0e4
- 0xfe5fafbda84768aa127517412dad46b6d52750c98fd0471847d383ba9c0ebea4
- 0x6a66db154e32d45aa1f1ce72719d9372fd5cdf4add16d249006bd3cdb0f7c074
- 0xbb465466dac90179fd91fd4d3b6985e80736d1ab4662dc57a78b5e5098d6f074
- 0xde6a8fd6590b70565baa6078cbc8add8d94950fe959ebaf8c3716adcdbd78aa8
- 0x6dd7e4db65395e8670c7c2747d44fec79e03305934ef4746bf5dbca04ec6ec49
- 0xec5d643575d83c9e07e65deeef71943b53cbf3007e7e2b9a6ef414081509b0cc
- 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af