addrbookFor publishers
← The evidence ledger

Evidence row 62478

Observed , by baseline/1.

Kind
listing
About
source_record x402_bazaar:https://agenticfinancegraph.com/check/precheck
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
45c84efc2ac765d365309d35cbad3100aad9af8f87bc5391655c614f17be6ce8
Leaf
0x4994c4e0875e66a3cee965619aaf1c78d10aed1cf56a8ee1b5bbe6a12784b2c1

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://agenticfinancegraph.com/check/precheck"
    ]
  ],
  "name": "agenticfinancegraph.com/check/precheck",
  "owner_address": "0xb25c17e26054bf34e507185dd8981888c9e044fd",
  "raw": {
    "accepts": [
      {
        "amount": "50000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xb25c17e26054bf34e507185dd8981888c9e044fd",
        "scheme": "exact"
      }
    ],
    "description": "Check before you pay: The routine check before an agent pays or hires another: its level and last observed payment, open incidents, its latest statement (how old, chain intact, flags) and, with payto=<address>, what that address is: label and basis, contract or plain key, how many registered agents paid it, whether this agent paid it before, and whether our poisoning watch saw it planted as a look-alike. Facts only, never a verdict. About one ERC-8004 agent on Base, by Age…",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "id": "53008",
              "payto": "0x0e84ddedaae6a779c462c22a59f301ec31b6b808"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "agent": {
                "last_payment": "2026-10-11T22:14:05Z",
                "level": 9
              },
              "as_of": "2026-10-12T11:00:00Z",
              "check": "check.precheck",
              "facts": [
                "Level L9.",
                "No live incident."
              ],
              "id": "act_8453_53008",
              "incidents": {
                "live": 0,
                "logged": 2
              },
              "payto": {
                "account": "plain key (EOA)",
                "address": "0x0e84ddedaae6a779c462c22a59f301ec31b6b808",
                "agents_paid_it": 181,
                "label": null,
                "planted_as_lookalike": false,
                "this_agent_paid_before": 0,
                "x402_seller": true
              },
              "statement": {
                "age_hours": 2.1,
                "chain_ok": true,
                "flags": [],
                "stale": false
              }
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET",
                    "HEAD",
                    "DELETE"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "id": {
                      "description": "ERC-8004 token id on Base (53008), slug (8004-base-53008) or the agent's bound wallet 0x…. Only agents observed paying a counterparty (rank L7+) have a record; anything else is a 404 before payment.",
                      "type": "string"
                    },
                    "payto": {
                      "description": "Optional: the address you are about to pay (0x… on Base). Adds what that address is and whether this agent paid it before.",
                      "type": "string"
                    }
                  },
                  "required": [
                    "id"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-18T14:44:32.077Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-18T14:44:31.888Z"
    },
    "resource": "https://agenticfinancegraph.com/check/precheck",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Check before you pay: The routine check before an agent pays or hires another: its level and last observed payment, open incidents, its latest statement (how old, chain intact, flags) and, with payto=<address>, what that address is: label and basis, contract or plain key, how many registered agents paid it, whether this agent paid it before, and whether our poisoning watch saw it planted as a look-alike. Facts only, never a verdict. About one ERC-8004 agent on Base, by Age…"
}

What the leaf hashes

{"body":"45c84efc2ac765d365309d35cbad3100aad9af8f87bc5391655c614f17be6ce8","id":62478,"kind":"listing","method":"baseline/1","observed_us":1793025453222223,"prev":null,"subject":"x402_bazaar:https://agenticfinancegraph.com/check/precheck","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. 0x4994d5e435de3bf208d2326810c64afa784587e0cbee98ee3d151ffe5a111fa7
  2. 0x74ffa5dacaa540436aecf6093f5b5bb66bea8b3594391c2a3341710bf0dd758c
  3. 0xc7fa7a0923609a70dd267fadcf647a20b77158635cee23c3acb181b1941e0b42
  4. 0x43a6c624324d1fa87dd02e0e6c5bc50d12798b1f00e7d067282043285def065f
  5. 0xc2875a728cfdaf1579c186899d43401a8ad9a4a5ebf0425c8071f01663b26b6a
  6. 0xdbc2587052650e29aa55ca410f3c24233e0805f2b5759229dcd773f161f94ac7
  7. 0x311abf8bb66d58df05d75f36410c0cf63030caa52eba9b2b609efe2c804b4b2b
  8. 0x905b0a5e621f68accd82d9d76eb75f1938784f8791b55b0f9483989013c7bc15
  9. 0x9d9370b762f4814d096f6893943b141ef019ecfc1804ca244bd5c453c571ef87
  10. 0xf6623a394eb309bb86b964132205c8c6254e0667f6c642b476ce25978eabf36a
  11. 0xa40c09a143bc388ccac821ec3854902941c513470a57a806c98060a6d63aedf9
  12. 0xee7d5711cd2515f4b08f3e4041d3d56304f9db6bffd82d82746f0f4ea43b8f26
  13. 0xb86fa861d04737cb507e721eefbb066d26528fdb6017b1145c18d1223b93ee21
  14. 0x88e326a39b26e2c125306c9d3805d14398ace088bba9a2a0aa376b811cfb201a
  15. 0x2be1e80e065dd6b2cc75a7142be22225acd144ac975d70bf24b4f01fd76dc497
  16. 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
  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