← The evidence ledger
Evidence row 120117
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://saylorinnovations.com/api/kb/entity-resolution-dedup
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 8cffcf9bcbab79638281ec78ddeecdc114921d472f401e46e6f2ba30207c69b1
- Leaf
- 0x08f4f0d93a2627da2f2d587ce733c656b0ce149f0baa31bd23c86a3f0a6b835c
What was observed
{
"endpoints": [
[
"x402",
"https://saylorinnovations.com/api/kb/entity-resolution-dedup"
]
],
"name": "Saylor Innovations Guide Library",
"owner_address": "0xa2a8df0f7caabea4e120a2568118f141569fc8aa",
"raw": {
"accepts": [
{
"amount": "10000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"assetTransferMethod": "eip3009",
"facilitatorOnly": true,
"memo": "saylor:entity-resolution-dedup",
"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:entity-resolution-dedup",
"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:entity-resolution-dedup",
"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:entity-resolution-dedup",
"reference": "GHchWGkXk4gyV1WPvjXGRCQ4c6KdZBH2wSCjr3YCyib2",
"session": "eyJhcnRpY2xlSWQiOiJlbnRpdHktcmVzb2x1dGlvbi1kZWR1cCIsInJlZmVyZW5jZSI6IkdIY2hXR2tYazRneVYxV1B2alhHUkNRNGM2S2RaQkgyd1NDanIzWUN5aWIyIiwicmVjaXBpZW50IjoiN0xTamZySmY4Zk5zQjhWQTl1N04zV0VuMjVzbVFMcG9iM1N2eVV2WGFjeTciLCJtaW50IjoiRVBqRldkZDVBdWZxU1NxZU0ycU4xeHp5YmFwQzhHNHdFR0drWnd5VER0MXYiLCJtaW5BbW91bnQiOjEwMDAwLCJleHAiOjE3OTI0NjQxNzcwMTh9.wAYQSCw0RLbB__OLWa9sX1-5BcN7gokmBrcCuVR7Ty0"
},
"maxTimeoutSeconds": 120,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
"scheme": "exact"
},
{
"amount": "10000",
"asset": "Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB",
"extra": {
"feePayer": "BFK9TLC3edb13K6v4YyH3DwPb5DSUpkWvb7XnqCL9b4F",
"memo": "saylor:entity-resolution-dedup",
"reference": "Azw4faPTA7f4uEBvcUZ8u3VspcGFAVVmzkLQ16FBBWxt",
"session": "eyJhcnRpY2xlSWQiOiJlbnRpdHktcmVzb2x1dGlvbi1kZWR1cCIsInJlZmVyZW5jZSI6IkF6dzRmYVBUQTdmNHVFQnZjVVo4dTNWc3BjR0ZBVlZtemtMUTE2RkJCV3h0IiwicmVjaXBpZW50IjoiN0xTamZySmY4Zk5zQjhWQTl1N04zV0VuMjVzbVFMcG9iM1N2eVV2WGFjeTciLCJtaW50IjoiRXM5dk1GcnphQ0VSbUpmckY0SDJGWUQ0S0NvTmtZMTFNY0NlOEJlbndOWUIiLCJtaW5BbW91bnQiOjEwMDAwLCJleHAiOjE3OTI0NjQxNzcwMTh9.j4X2ARUdmS7Yfb6jAyvrYP30NKcmn2UKYy7_iXvEhfY"
},
"maxTimeoutSeconds": 120,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
"scheme": "exact"
},
{
"amount": "92742",
"asset": "So11111111111111111111111111111111111111112",
"extra": {
"memo": "saylor:entity-resolution-dedup",
"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": "95611",
"reference": "7Nac7JcBxRDWaHxwLBHq6SpJNzrW55aA6QmUR5UvaE7d",
"session": "eyJhcnRpY2xlSWQiOiJlbnRpdHktcmVzb2x1dGlvbi1kZWR1cCIsInJlZmVyZW5jZSI6IjdOYWM3SmNCeFJEV2FIeHdMQkhxNlNwSk56clc1NWFBNlFtVVI1VXZhRTdkIiwicmVjaXBpZW50IjoiN0xTamZySmY4Zk5zQjhWQTl1N04zV0VuMjVzbVFMcG9iM1N2eVV2WGFjeTciLCJtaW50IjpudWxsLCJtaW5BbW91bnQiOjkyNzQyLCJleHAiOjE3OTI0NjQxNzcwMTh9.ttU6u-VITA2z5XwdDoKV9I_70QFizCaCQkymH6G149w",
"solUsdPrice": 104.59
},
"maxTimeoutSeconds": 120,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
"scheme": "exact"
}
],
"description": "Entity resolution and deduplication - exact vs probabilistic matching, explainable merges and unmerge",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"type": "http"
},
"output": {
"example": {
"body": "A versioned matching system that separates exact identifiers from probabilistic similarity, preserves source records, explains merge decisions, supports review and unmerge, and measures false merges and missed matches by risk slice.",
"c": "AI & Agents",
"id": "entity-resolution-dedup",
"t": "Entity Resolution and Deduplication"
},
"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": {
"body": {
"description": "Main body text",
"type": "string"
},
"c": {
"description": "Category of the guide",
"type": "string"
},
"id": {
"description": "Identifier of the record",
"type": "string"
},
"license": {
"description": "License identifier",
"type": "string"
},
"price": {
"description": "Price",
"type": [
"number",
"null"
]
},
"t": {
"description": "Title of the guide",
"type": "string"
}
},
"required": [
"id",
"t",
"c",
"body"
],
"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": "2026-10-20T02:40:57.064Z",
"quality": {
"l30DaysTotalCalls": 3,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-10-20T02:40:56.84Z"
},
"resource": "https://saylorinnovations.com/api/kb/entity-resolution-dedup",
"serviceName": "Saylor Innovations Guide Library",
"tags": [
"entity-resolution",
"deduplication",
"data-matching"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Entity resolution and deduplication - exact vs probabilistic matching, explainable merges and unmerge"
}What the leaf hashes
{"body":"8cffcf9bcbab79638281ec78ddeecdc114921d472f401e46e6f2ba30207c69b1","id":120117,"kind":"listing","method":"baseline/1","observed_us":1793025617376425,"prev":null,"subject":"x402_bazaar:https://saylorinnovations.com/api/kb/entity-resolution-dedup","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).
- 0x08f5040481643d53e86cf636a76d52ff979ec97041392e9e7e0c16cf2fbfa97d
- 0x0ec500ce4cf6d6770b90356e69d6bb2397812bd6a973c7b56cb4870c75b93e09
- 0xc125814b36a63cef72cc42ddea35c016d0150c66e32555ad2a47c3feaf20faee
- 0x8275615cf4364fdb4b128c49ffb8e1cc8868236e6f2ec47fb07b7c26edc16978
- 0x1370caea08b2f88959d1b115aeb858e72b1e8cac7d31ebb1eda63db6273c563d
- 0x526b87ff2080b2623dc82f51deadb6eace3c24bfb335d0dca8efded086f8e7ef
- 0x7ad3325c780c27cfd7b57f2d06946132760c8fe68c56e1f17c6797019b058417
- 0xa2113e5046a7d3e24f4ce65b601363a4de2a68f0e94512d93e91fa578aa8c183
- 0xcabf1cda452c46b3d3539791918df52efb9b3425952d2ab94b70213086a94d42
- 0x4b8d7ca0c4ae813a9cf284d4f688cb47a1d02fa6262df9e9bad0ce5770784284
- 0x3585060104222ad1aae3396450719e555d4d013fa2b3a7b43777a1722ca9ce22
- 0x6003e14d04cde1d24b195ac15b568dd483e04047e0f2ff64d9632a51a8f7123d
- 0xe5a836cf25a8dfc72c9e3b6a69a7561a1f61f50f9cf36707d36f6e926aa15dec
- 0xa96bb9408ce00a0d40ddaba8736257dfce76d5478b131d69db1afdf8a824312b
- 0x7ddc2fead128357f881b63e6c7c26d7fbbb84fca6c7c8e0bbfe386de86ca8d39
- 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
- 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae