Evidence row 2633605

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://sellat.app/api/v2/proofs"
    ]
  ],
  "name": "Sellat",
  "owner_address": "0xedeb27856ffb8c313931b2dce0f8375f27f4d87a",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xeDeb27856FfB8c313931B2DCE0f8375F27f4d87a",
        "scheme": "exact"
      }
    ],
    "description": "Timestamp and notarize any file, data or AI agent log by its SHA-256 hash: blockchain proof of existence and integrity for tamper-evident audit trails, anchored on Polygon in minutes, then Bitcoin (OpenTimestamps); not a notary act. Returns proof_id, certificate, proof.json and evidence ZIP, verifiable without Sellat. Use when you must prove exact data or an agent record existed and is intact.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "hash": "b62e03eb6b4db8870e124d1b933dd1b261f32e196df4f808834ed8eab4df6276",
              "metadata": {
                "ref": "optional"
              },
              "name": "sellat-example-20261102192536-cd2af09f.txt"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "anchoring": {
                "policy": "fast"
              },
              "api_key": "<shown once: read-only key for this wallet’s proofs>",
              "created": true,
              "hash": "<sha256>",
              "id": "<proof_id>",
              "next": "POST /api/v2/proofs/{id}/qualified adds the eIDAS qualified timestamp (RFC 3161) for 0.90 USD",
              "payment": {
                "amount_usd": "0.01",
                "charged": true,
                "transaction": "<tx hash on Base>"
              },
              "proof_id": "<proof_id: use it in POST /api/v2/proofs/{id}/qualified>",
              "state": "queued → anchored (minutes)",
              "urls": {
                "certificate": "https://sellat.app/certificate/<id>",
                "evidence_zip": "https://sellat.app/api/v2/proofs/<id>/evidence.zip",
                "proof_json": "https://sellat.app/api/v2/proof/<id>.json",
                "self": "https://sellat.app/api/v2/proofs/<id>"
              }
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "headers": {
                  "additionalProperties": {
                    "type": "string"
                  },
                  "type": "object"
                },
                "method": {
                  "enum": [
                    "POST",
                    "PUT",
                    "PATCH"
                  ],
                  "type": "string"
                },
                "pathParams": {
                  "additionalProperties": {
                    "type": "string"
                  },
                  "type": "object"
                },
                "queryParams": {
                  "additionalProperties": {
                    "type": "string"
                  },
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "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/v1792345485/bazaar-icons/bde6353fd8b55735.png",
    "lastUpdated": "2026-11-02T19:25:36.832Z",
    "quality": {
      "l30DaysTotalCalls": 12,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-11-02T19:25:36.225Z"
    },
    "resource": "https://sellat.app/api/v2/proofs",
    "serviceName": "Sellat",
    "tags": [
      "timestamp",
      "notarize",
      "proof-of-existence",
      "eidas",
      "qualified-timestamp"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Timestamp and notarize any file, data or AI agent log by its SHA-256 hash: blockchain proof of existence and integrity for tamper-evident audit trails, anchored on Polygon in minutes, then Bitcoin (OpenTimestamps); not a notary act. Returns proof_id, certificate, proof.json and evidence ZIP, verifiable without Sellat. Use when you must prove exact data or an agent record existed and is intact."
}

What the leaf hashes

{"body":"8e163cca418f8ca55779535c4e8c8407316aa7874eafd32ee908a938b855478d","id":2633605,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793734406359497,"prev":2199904,"subject":"x402_bazaar:https://sellat.app/api/v2/proofs","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-03 (425475 rows).

1. 0x3c4a003ffde3d8de2840a914bf217c3e437ee09d73137e11231b5e3add051a4d
2. 0xd1711fa2ce8e8ddf80a89c3b4a7fdb5f9dfeccf644bd24a5672b27b2980948b4
3. 0x38d037ea4076e4f57fb74839726e8171d09d1f9bdf05daaba6522987aaecbc74
4. 0x94d71da83bb71555c7b25effd3be9709a39900bec7e96494539b9bc902d13af6
5. 0x160bacb210c118decb67a8937b9b49c02281feabb59c06ab59ddc1c88d4b057b
6. 0x75f7badcee07c66a69054f570e78ef589fdb7b03d7347411a7f2014047ebf4ac
7. 0x38a5c1d051bc09eb0d27920f64bd11a7c1983a72841df9656b9e3fa5c58054fe
8. 0x82731f771a1b21c2d6c87924c604738fe0c4cc966718f940099027a6545eeaeb
9. 0x68eb5e71b6eb9fc6b2ff65f33bd83d26818b8db09fa09d3baf1de552b467361e
10. 0x7c75f5e93ac36c42c7db0c3c31d9fa8c9c96c4632db305e3b8245082ae90cfe8
11. 0x7c7c238d4650eed0aaee97e11d7ea152d9a398b11e0d949a9c2477a42f143ba3
12. 0xea38c9b040f000c9046dc25881ee4ae70a985c0c67450e184d70cbf62dc6538d
13. 0x4b5945b20d05d42156c060247cc56b9fdec8b90fafd1729214fa76f3a01f9139
14. 0x5ab1ed3fc67f5a9ec3583839ed81e49e5b844fa19b679bd6a3514873d183203e
15. 0xeeeab58fe0869203702d6caa20f3db31453ec2f4ac7b99890f0842a5616a7f99
16. 0x35ca4633a97853eefbf38aaf743dd7ff85a4c731ccc8e31a34fd826c3142d6ea
17. 0x87df2ed9052c264d606c076742aa7e54b69fc8344b21e972ebcb19d020b7ecf3
18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7