← The evidence ledger
Evidence row 120725
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://saylorinnovations.com/api/trademark/similarity
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- b1871a040a032767d5cd6e0ee49699eb7a4e096dc7f345f583eefdbe4854576f
- Leaf
- 0x43620fb204304ff9230a05becc003644e7957799a03e65a348dc097e8ae3f2c7
What was observed
{
"endpoints": [
[
"x402",
"https://saylorinnovations.com/api/trademark/similarity"
]
],
"name": "Saylor Innovations Trademark Na",
"owner_address": "0xa2a8df0f7caabea4e120a2568118f141569fc8aa",
"raw": {
"accepts": [
{
"amount": "10000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"assetTransferMethod": "eip3009",
"facilitatorOnly": true,
"memo": "saylor:trademark:similarity",
"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:trademark:similarity",
"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:trademark:similarity",
"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": "BFK9TLC3edb13K6v4YyH3DwPb5DSUpkWvb7XnqCL9b4F",
"memo": "saylor:trademark:similarity",
"reference": "BqtMTwmGh7ubwUsMo2vPARQ5HtAMAbjSE2yMWHczKoBo",
"session": "eyJhcnRpY2xlSWQiOiJ0cmFkZW1hcms6c2ltaWxhcml0eSIsInJlZmVyZW5jZSI6IkJxdE1Ud21HaDd1YndVc01vMnZQQVJRNUh0QU1BYmpTRTJ5TVdIY3pLb0JvIiwicmVjaXBpZW50IjoiN0xTamZySmY4Zk5zQjhWQTl1N04zV0VuMjVzbVFMcG9iM1N2eVV2WGFjeTciLCJtaW50IjoiRVBqRldkZDVBdWZxU1NxZU0ycU4xeHp5YmFwQzhHNHdFR0drWnd5VER0MXYiLCJtaW5BbW91bnQiOjEwMDAwLCJleHAiOjE3OTI1MjgzOTIxNDl9.Z4A0pEPo4b4b7ttSGnbnm8YpuBTHH0XXheChNYYD9Hs"
},
"maxTimeoutSeconds": 120,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
"scheme": "exact"
},
{
"amount": "10000",
"asset": "Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB",
"extra": {
"feePayer": "BFK9TLC3edb13K6v4YyH3DwPb5DSUpkWvb7XnqCL9b4F",
"memo": "saylor:trademark:similarity",
"reference": "2sizQqPLZBz1Y4iP6TN6DwBYnWgp6enSixiH1Nbk6iTd",
"session": "eyJhcnRpY2xlSWQiOiJ0cmFkZW1hcms6c2ltaWxhcml0eSIsInJlZmVyZW5jZSI6IjJzaXpRcVBMWkJ6MVk0aVA2VE42RHdCWW5XZ3A2ZW5TaXhpSDFOYms2aVRkIiwicmVjaXBpZW50IjoiN0xTamZySmY4Zk5zQjhWQTl1N04zV0VuMjVzbVFMcG9iM1N2eVV2WGFjeTciLCJtaW50IjoiRXM5dk1GcnphQ0VSbUpmckY0SDJGWUQ0S0NvTmtZMTFNY0NlOEJlbndOWUIiLCJtaW5BbW91bnQiOjEwMDAwLCJleHAiOjE3OTI1MjgzOTIxNDl9.MeDsEvcWfQonUxucBk39_CGXpZLFJ1npHAQlpdy-NEg"
},
"maxTimeoutSeconds": 120,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
"scheme": "exact"
},
{
"amount": "91466",
"asset": "So11111111111111111111111111111111111111112",
"extra": {
"memo": "saylor:trademark:similarity",
"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": "94295",
"reference": "458cpqwjn8cUpeJDCSW3eqQsLmGVaBqB7ekvjpXfhYoL",
"session": "eyJhcnRpY2xlSWQiOiJ0cmFkZW1hcms6c2ltaWxhcml0eSIsInJlZmVyZW5jZSI6IjQ1OGNwcXdqbjhjVXBlSkRDU1czZXFRc0xtR1ZhQnFCN2VrdmpwWGZoWW9MIiwicmVjaXBpZW50IjoiN0xTamZySmY4Zk5zQjhWQTl1N04zV0VuMjVzbVFMcG9iM1N2eVV2WGFjeTciLCJtaW50IjpudWxsLCJtaW5BbW91bnQiOjkxNDY2LCJleHAiOjE3OTI1MjgzOTIxNDl9.YRICi4jnVwyrj00DuzdQm4Kv04_r3YzrXUR8DzYmNp0",
"solUsdPrice": 106.05
},
"maxTimeoutSeconds": 120,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
"scheme": "exact"
}
],
"description": "Trademark name similarity screen using Levenshtein distance - edit distance and percentage",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"mark_a": "Acme Cloud",
"mark_b": "ACME-Cloud"
},
"type": "http"
},
"output": {
"example": {
"mark_a": "Acme Cloud",
"mark_b": "ACME-Cloud",
"scope_note": "Screening heuristic only; not legal analysis.",
"similarity_percent": 100
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"mark_a": {
"description": "required mark text, 1-120 characters (query)",
"type": "string"
},
"mark_b": {
"description": "required comparison mark text, 1-120 characters (query)",
"type": "string"
}
},
"required": [
"mark_a",
"mark_b"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"edit_distance": {
"description": "Edit distance",
"type": "number"
},
"mark_a": {
"description": "Mark a",
"type": "string"
},
"mark_b": {
"description": "Mark b",
"type": "string"
},
"method": {
"description": "Method used",
"type": "string"
},
"normalized_a": {
"description": "Normalized a",
"type": "string"
},
"normalized_b": {
"description": "Normalized b",
"type": "string"
},
"scope_note": {
"description": "What this data covers and what it leaves out",
"type": "string"
},
"similarity_percent": {
"description": "Similarity, as a percentage",
"type": "number"
}
},
"required": [
"mark_a",
"mark_b",
"similarity_percent",
"scope_note"
],
"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": "2026-10-20T20:31:12.203Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-20T20:31:11.872Z"
},
"resource": "https://saylorinnovations.com/api/trademark/similarity",
"serviceName": "Saylor Innovations Trademark Na",
"tags": [
"trademark",
"similarity",
"screening"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Trademark name similarity screen using Levenshtein distance - edit distance and percentage"
}What the leaf hashes
{"body":"b1871a040a032767d5cd6e0ee49699eb7a4e096dc7f345f583eefdbe4854576f","id":120725,"kind":"listing","method":"baseline/1","observed_us":1793025618528674,"prev":null,"subject":"x402_bazaar:https://saylorinnovations.com/api/trademark/similarity","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).
- 0x4361d12903a35d720c51d19814ef1d7ccd7ace9382b70b0052175f17d92b0917
- 0x9728503e630831cb7dfb65b773e5a6c85d2d7cbe554a8836ee249f0c6c2a38ce
- 0x088c6786eec4f0e86ab2f15eeca2e2ce5eb5850d4c81ff337478dfda47139937
- 0xfb5f6105f1095ff3c9ab528b13e5a5a3935dfa9aec79e1f3b84db083c0e36cd7
- 0xe263ba7f9251ffe48e9b8af02238ab50b6e564547ee5f6d0d73875336faea879
- 0xc403c461278592dd719e33eb1c6a2b083790a119e680d46bf382ca633e2f8870
- 0xea1e0acf6585dc24193ab99f74bcce8299d4f439f723c70c5e98f071dab4521c
- 0xbe015026e1c568698a8dc09644f76e50a2abada13d1183dd1a7308f0873d74bf
- 0xd64757f1197ae77307b4edaafc7842ac14514cdd3e1a40625e4f840219086110
- 0xe51eded3c6d987da657485a61b7c2d0526ae91edd6ff00bcd8c57a597b1e7ae1
- 0x5209b44231d259fd8508722a1ae64f1b73c7b7f19b456b1ecd950d5b281c35b6
- 0x58f4330f9ac32da273a2a76d85bc0768d037638cddbd3d1f09d9b64094bfd942
- 0xd406739acce2ba016f8d49081b15f266a4ea4a0b0fc5ef171c89c8fd2dda4d80
- 0x8b27a4c21bf4ba962fd008c8f4300bc6953764a5032b9ab0cfe696b318c45326
- 0x4b52a97f7a80ff7778a702b85267b8d2e5c93ce160942656435c29ae7be68bf4
- 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
- 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae