Evidence row 2189836

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://sellat.app/api/v2/proofs"
    ],
    [
      "x402",
      "https://sellat.app/api/v2/proofs/:id/qualified"
    ]
  ],
  "name": "sellat.app",
  "owner_address": null,
  "raw": {
    "caip2_networks": [
      "eip155:8453"
    ],
    "category": "",
    "description": "",
    "domain": "sellat.app",
    "endpoints": [
      {
        "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.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "ba6eaceebd0657d84b76decc9562689dabef87be8b5233aa7371e775b3b77e6e",
            "group": "body",
            "name": "hash",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": null,
            "group": "body",
            "name": "metadata",
            "required": false,
            "type": "object"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "sellat-example-20261102181112-5bd65257.txt",
            "group": "body",
            "name": "name",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.01",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "10",
          "l30DaysUniquePayers": "3"
        },
        "serviceName": "Sellat",
        "tags": [
          "timestamp",
          "notarize",
          "proof-of-existence",
          "eidas",
          "qualified-timestamp"
        ],
        "url": "https://sellat.app/api/v2/proofs"
      },
      {
        "description": "eIDAS qualified electronic timestamp (RFC 3161 .tsr) on a Sellat proof, issued in seconds by an EU qualified trust service provider on the EU trusted list. Legal timestamp with the presumption of accuracy of date and integrity of Art. 41.2 eIDAS, recognised across the EU. Use when the date must hold before a court, authority, regulator or auditor. Call it on the proof_id from POST /proofs.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "ce6b775b-d544-4693-a0de-127bde270a1e",
            "group": "path",
            "name": "id",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.9",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "4",
          "l30DaysUniquePayers": "1"
        },
        "serviceName": "Sellat",
        "tags": [
          "timestamp",
          "notarize",
          "proof-of-existence",
          "eidas",
          "qualified-timestamp"
        ],
        "url": "https://sellat.app/api/v2/proofs/:id/qualified"
      }
    ],
    "enriched": false,
    "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",
    "id": "sellat-app",
    "integrationType": "",
    "isNew": false,
    "name": "sellat.app",
    "networks": [
      "Base"
    ],
    "priceSummary": {
      "avgCostBasis": "exact",
      "avgCostPerTransaction": "0.455",
      "currency": "USDC",
      "maxAmount": "0.9",
      "minAmount": "0.01"
    },
    "provider": "sellat.app",
    "providerUrl": "",
    "serviceName": "Sellat",
    "tags": [
      "timestamp",
      "notarize",
      "proof-of-existence",
      "eidas",
      "qualified-timestamp"
    ]
  },
  "source": "agentic_market",
  "summary": ""
}

What the leaf hashes

{"body":"dfe1f8eb0187d64e3486f468631afb6569d8e4c8dd186e406d593c338638218d","id":2189836,"kind":"listing","method":"sync.agentic_market/1","observed_us":1793643647619433,"prev":469262,"subject":"agentic_market:sellat-app","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0x2b312aa3bd74516be51dde01ff2ce78688ce9e47193679c00828bc9088e7450a
2. 0x49b316d76e545ce44b04cc34a0738e4babdcab2bed521cb61fd74aa9d6d4f429
3. 0xcb7f75f343f24fbe0e997d2f1cf87ed1562389ffb402fda471241fb015703b53
4. 0xe12e7d53ca7ac04d8c710c83caf8b9d538989dbad232194f87481d16832e17bf
5. 0x64f86653fa67b726cd30de38854bd9348b7fe00352e5479fa3231d2766c7f2b3
6. 0xb0c65e084684a844fa5cc95943f4ec7d6d22970cfb70ab120fc95fef09cd4ef0
7. 0x9c93f321f6370d73f8a7c6641a0547838b7e4221d1ee3d73ee5b5553dcf35fb1
8. 0xcc8314d24154560ff4645a097dbd38f86d2461110ad57e2c3fdab0e61a421bda
9. 0xd7572e79e9973cd84824e65f5621c4f90272419ca39d5e50c2a8bd8a086e5ed6
10. 0x208798e6b232912d4a9c901f5380e69a77a5daa4ca2e3c28d92fc07b6465ae61
11. 0x8e6feec569a9685c68f59ce2b7ddb7565142c8a86a928fc54491abdad75494cf
12. 0xe190d3e775cf157368fa6ec6b0e77b39fa82005076265ca0fc15ff428080d4a8
13. 0xdb8f582c0e06dcc12f31eb42bfcf649e95cea3ce20a525db7917ecfd954357bb
14. 0x037a66c2ea899586d58b52761f6b950a97cda22bb80294e40013ebea171a684f
15. 0x9cb76be6423133397c3da69f801d6af35dcce77b458aa17bd796c877ed7bc8fd
16. 0xd42916b5c6441e9c8d91ff91715af1489cb83dee26d47e7da107caa4d2a68b65
17. 0xa20b9be86af7d690e040c9060a373b2fc5498edf3432f43c26f74fa2febc1e9a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af