Evidence row 1790975

Observed 1 Nov 2026, 19:05 UTC, by sync.x402_bazaar/1.

Kind: listing
About: source_record x402_bazaar:https://api.artefaktum.dev/v1/artifacts/:artifact_id/relations
Recorded: 1 Nov 2026, 19:05 UTC
Previous row: None: the first of its kind about this subject
Body SHA-256: 9c8db0e1e428efc30132d973f2f2d44dd706b7f705881785c6a8cc834da834d7
Leaf: 0xca10a19f9b022ff279aaa8e79eca506ee32b56bfec5abde874b3ef912358bc3c

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.artefaktum.dev/v1/artifacts/:artifact_id/relations"
    ]
  ],
  "name": "Artefaktum",
  "owner_address": "0xeccc9f03eb79c6a5b0fbd919f95656557e6a6173",
  "raw": {
    "accepts": [
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "eip155:8453",
        "payTo": "0xeccc9f03eb79c6a5b0fbd919f95656557e6a6173",
        "scheme": "exact"
      }
    ],
    "description": "List an artifact's lineage: the artifacts it was derived from and those derived from it, with relation type and direction. Costs $0.005 in USDC. No signup: a wallet's first payment creates its account and a default project; the same wallet later reaches the same files.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "pathParams": {
              "artifact_id": "01a1942e-a000-74e0-9a52-2eae26c666cd"
            },
            "type": "http"
          },
          "output": {
            "example": [
              {
                "created_at": "2026-10-31T09:30:00Z",
                "direction": "outgoing",
                "from_artifact_id": "019a3a12-5b7d-7f21-8e3a-6c4b2d9f0a18",
                "from_version_id": "019a3a12-5b7e-7a90-b1c2-3d4e5f6a7b8c",
                "id": "019a3a15-0f1e-7d2c-8b3a-4f5e6d7c8b9a",
                "metadata": {},
                "origin": "explicit",
                "relation_type": "derived_from",
                "run_id": null,
                "to_artifact_id": "019a3a14-77aa-7b10-9c3d-1e2f3a4b5c6d",
                "to_version_id": null
              }
            ],
            "type": "json"
          }
        },
        "routeTemplate": "/v1/artifacts/:artifact_id/relations",
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "pathParams": {
                  "additionalProperties": false,
                  "properties": {
                    "artifact_id": {
                      "type": "string"
                    }
                  },
                  "required": [
                    "artifact_id"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "pathParams"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "array"
                },
                "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/v1793456363/bazaar-icons/804f62358cb25a27.png",
    "lastUpdated": "2026-10-31T22:57:49.096Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-31T22:57:48.894Z"
    },
    "resource": "https://api.artefaktum.dev/v1/artifacts/:artifact_id/relations",
    "serviceName": "Artefaktum",
    "tags": [
      "storage",
      "artifacts",
      "files",
      "search",
      "agents"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "List an artifact's lineage: the artifacts it was derived from and those derived from it, with relation type and direction. Costs $0.005 in USDC. No signup: a wallet's first payment creates its account and a default project; the same wallet later reaches the same files."
}

What the leaf hashes

{"body":"9c8db0e1e428efc30132d973f2f2d44dd706b7f705881785c6a8cc834da834d7","id":1790975,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793559939312882,"prev":null,"subject":"x402_bazaar:https://api.artefaktum.dev/v1/artifacts/:artifact_id/relations","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-01 (302406 rows).

0xca0ffb8aef9c7d29199d760eaba148f1dc92370d61a6b4dada71c5403f79217d
0x5b7c8ebf91e7850c61098ded17e5c1e64da951790da598db864ea5cbf5b7b37a
0x53c4bb252a0383128910e822ce9948764601dedd58b9981a5709e7e447be0fcb
0x407d97d129a50bf873948c23eae8027f05c7131053b0be929997975f4bffeadb
0x7c2a5f0f67461342668ab73b25667e562c2d118f2d341b31ad74e1a771d21ab8
0xcf31b17a00f0da36fc575a737fc09bb114b57ee02db322caaa0753ef7b51a572
0xf9842f3bf95ae1b05bf4673996f0722620de4cbee91302eb133bfe2a860ef7dc
0xcf7f3d322a99737903aae7209244cf03681cb762169003a48d2a48f6393e2db9
0x13f749e0f05a21a977ea3c7d1ddfde23e44680e0fd646c08f3e239643801c556
0xcd0d337848a8b4b7fbb71bf60f81d968af4ce65e866416a8576015fcdff0e588
0x6dff1a8cce235ce69aad64d6c0fab9b69d00e80db6920fbc2e8b6a1dd9774dad
0xbda213f244467a05027904a8f73b83cb22b4e670fdccc5bdc0e1acff8d5dc5ac
0x24635ce9cb998a7f0315d48529c53cf1d5cad881b86cddade3f316f35faa0416
0xc837737eae003d6217621fce98752787bb2b4be80aad499398bcd6fa49bd6996
0x537331ef190eaefb4419f2a4558b952aaf9435d759df0b0c118b7df609ec1687
0xfc183bee85dc11a067fb710c6eb88824b94a516ddbdf2717b839e672a2206a7e
0xb5916fb7a3e87dc0702e46eeadcd22652e2e1e755f8d429cc7a14a67a350b51b
0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root: 0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3
Chained: 0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4
Published: On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90

How to check it · This row as JSON