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Evidence row 120162

Observed , by baseline/1.

Kind
listing
About
source_record x402_bazaar:https://saylorinnovations.com/api/kb/knowledge-freshness-deletion
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
127ab2a9385f4c05cf2958155176b0bedecf20a983c4097b9cd9c09e2d50984c
Leaf
0x6bbe6cb9b8f54219c457ff3e2ce5fb9e580959dedb0ed4ae8ce4b4c1c491ea07

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://saylorinnovations.com/api/kb/knowledge-freshness-deletion"
    ]
  ],
  "name": "Saylor Innovations Guide Library",
  "owner_address": "0xa2a8df0f7caabea4e120a2568118f141569fc8aa",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "eip3009",
          "facilitatorOnly": true,
          "memo": "saylor:knowledge-freshness-delet",
          "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:knowledge-freshness-delet",
          "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:knowledge-freshness-delet",
          "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:knowledge-freshness-delet",
          "reference": "3j13kBuDmnxqz3M5zZTBEPLkcPQ9tvrctREA6ULTY876",
          "session": "eyJhcnRpY2xlSWQiOiJrbm93bGVkZ2UtZnJlc2huZXNzLWRlbGV0aW9uIiwicmVmZXJlbmNlIjoiM2oxM2tCdURtbnhxejNNNXpaVEJFUExrY1BROXR2cmN0UkVBNlVMVFk4NzYiLCJyZWNpcGllbnQiOiI3TFNqZnJKZjhmTnNCOFZBOXU3TjNXRW4yNXNtUUxwb2IzU3Z5VXZYYWN5NyIsIm1pbnQiOiJFUGpGV2RkNUF1ZnFTU3FlTTJxTjF4enliYXBDOEc0d0VHR2tad3lURHQxdiIsIm1pbkFtb3VudCI6MTAwMDAsImV4cCI6MTc5MjM2NTk4OTIxOH0.YtprhNpqcXG_uHzpu0BrC96xT9YbFDTeEkfDSsj_2G0"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB",
        "extra": {
          "feePayer": "Hc3sdEAsCGQcpgfivywog9uwtk8gUBUZgsxdME1EJy88",
          "memo": "saylor:knowledge-freshness-delet",
          "reference": "3Hd2k1HVwojLRPYspPQXM4tx7WfsvzKQAhXAu6rtKYM2",
          "session": "eyJhcnRpY2xlSWQiOiJrbm93bGVkZ2UtZnJlc2huZXNzLWRlbGV0aW9uIiwicmVmZXJlbmNlIjoiM0hkMmsxSFZ3b2pMUlBZc3BQUVhNNHR4N1dmc3Z6S1FBaFhBdTZydEtZTTIiLCJyZWNpcGllbnQiOiI3TFNqZnJKZjhmTnNCOFZBOXU3TjNXRW4yNXNtUUxwb2IzU3Z5VXZYYWN5NyIsIm1pbnQiOiJFczl2TUZyemFDRVJtSmZyRjRIMkZZRDRLQ29Oa1kxMU1jQ2U4QmVud05ZQiIsIm1pbkFtb3VudCI6MTAwMDAsImV4cCI6MTc5MjM2NTk4OTIxOH0.7qXaX9ytLzjalqpnIzSyaxu7x-_qFxmGGqpkvxX9h_0"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      },
      {
        "amount": "93539",
        "asset": "So11111111111111111111111111111111111111112",
        "extra": {
          "memo": "saylor:knowledge-freshness-delet",
          "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": "96432",
          "reference": "7RvXkfifhEBoimfX9Wzf4MB69xFvmSbARgwhwaJgmpgy",
          "session": "eyJhcnRpY2xlSWQiOiJrbm93bGVkZ2UtZnJlc2huZXNzLWRlbGV0aW9uIiwicmVmZXJlbmNlIjoiN1J2WGtmaWZoRUJvaW1mWDlXemY0TUI2OXhGdm1TYkFSZ3dod2FKZ21wZ3kiLCJyZWNpcGllbnQiOiI3TFNqZnJKZjhmTnNCOFZBOXU3TjNXRW4yNXNtUUxwb2IzU3Z5VXZYYWN5NyIsIm1pbnQiOm51bGwsIm1pbkFtb3VudCI6OTM1MzksImV4cCI6MTc5MjM2NTk4OTIxOH0.6ltgtJu8SzoOCdtYXrdaSBYOXmVO3wK7xjOscnUJm9Y",
          "solUsdPrice": 103.7
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      }
    ],
    "description": "Use when your agent must handle stale or deleted knowledge. Get a lifecycle policy for freshness, correction and deletion, with stale-result reporting.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "type": "http"
          },
          "output": {
            "example": {
              "body": "A lifecycle policy and scanner that tells clients what was known when, prefers current authoritative records, preserves justified history, propagates correction/deletion, and reports stale or uncertain results honestly.",
              "c": "AI & Agents",
              "id": "knowledge-freshness-deletion",
              "t": "Knowledge Freshness, Correction, and Deletion"
            },
            "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": "2026-10-18T23:24:29.251Z",
    "quality": {
      "l30DaysTotalCalls": 4,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-18T23:24:29.067Z"
    },
    "resource": "https://saylorinnovations.com/api/kb/knowledge-freshness-deletion",
    "serviceName": "Saylor Innovations Guide Library",
    "tags": [
      "knowledge-base",
      "data-freshness",
      "deletion",
      "rag"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Use when your agent must handle stale or deleted knowledge. Get a lifecycle policy for freshness, correction and deletion, with stale-result reporting."
}

What the leaf hashes

{"body":"127ab2a9385f4c05cf2958155176b0bedecf20a983c4097b9cd9c09e2d50984c","id":120162,"kind":"listing","method":"baseline/1","observed_us":1793025617438416,"prev":null,"subject":"x402_bazaar:https://saylorinnovations.com/api/kb/knowledge-freshness-deletion","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).

  1. 0x6bbee83fcac096a5e736d45f36df7428ea590e2fc78192504a01427c96eab70a
  2. 0xd251495b2b9adde70ebff0910e2098426d444db648597a6aa365ef6037c17ac7
  3. 0xb01777f5043c8df65576f3c9a93fad19026b967e3f1ab474de2498e36b6b81fd
  4. 0x6b98ab19ea520eeeff9b635e43dc95818b238f2295704e87d7072850114762e0
  5. 0xcc2efbb2082dd0e8dd66fccff57029878ea283551c6c886c6238bc8b2de4f9c9
  6. 0xda3379a3713430c3e6278013a31c275721f4e5a8f2f7b148a7b3d87af3441877
  7. 0x77db3748f73d7a12cccde3617115a6b54308ab612d0cae8a63837c2f925d9845
  8. 0xde6aa530af3d4afc4b1f293019f093c571b35f4ae6c561e5d54e42c3af72f481
  9. 0x4094053e5ab988e2bf8c0a3177628d39bdc8b14096a2009d67346fc43158c4e6
  10. 0x6a9d75996732347a0b42cd7298726bdcf5ff4155144ec98135ea4de4fe5b6666
  11. 0xdfaea4285192101e7ab6e8e71853c71cef08df31a416be7a9f92f34cf897e13e
  12. 0x2a304c51963b65e3ca818b638b2e9a98297b7d6b6a3e14ecca2501aa13b9f556
  13. 0x9dc4d6f64bc3c323d2c45a28209068cd473b6979bd632a0d694bf94d19bc39df
  14. 0xfc9b5a81a7a83a1c735a4fe64590beb9db14d2366f463161358af28c3ea9a81d
  15. 0xa2d436d488e3600b0e5c3e3ed9c9234cd52853c59830b786334fd0c4292d9f40
  16. 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
  17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
  18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON