Evidence row 3438727

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": "bb4963cfebdecdfee366f63e793329811c98546951da951d7d7eaa3bacbf7015",
            "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-20261104144136-82d6ceef.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": "14",
          "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":"6bad3cd7d125198a5760687ce5bd818965e761989887c7985b57b277f1f6b820","id":3438727,"kind":"listing","method":"sync.agentic_market/1","observed_us":1793903201569957,"prev":3047588,"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 2026-11-05 (322504 rows).

1. 0x2c3d8a49e54194694eb5d3d67333e0769b68e5ab2a667024659f948175df5fdf
2. 0x993717dee7448bde6d2e0c7198594b29cf59ac3e0c74d76a6bbaac82f68b44f4
3. 0xa23d8795d953aaef146b345d17e1e684d93ffb876c43ed2d8854af8568e89b78
4. 0x0b678cee88bd8722786229e48d4971e5cc61c30db192af658b2f3d65ed99c962
5. 0xab4e019156c6cf4cf4f39f852639069c6c64d82c1c22dce58fdf2322e4fe03f6
6. 0xcb7ecffc621a70a709eb8be14a2f2c1a9edaf3f34b38842ed24e4d46d69f145b
7. 0x0b79e0935b07c85f7ed619024f3e54eae4913948af88a40207fb1d69e9b85722
8. 0x98e0d4c26b5e9baa87be0e05200b3c56d67c4739d182f08dd45e7d98dc5ff8b1
9. 0xf0f90e04f007218f1221594746379731d322a22fc8ec9a7141e7a5e365e1334c
10. 0xa247ffca974d5dd42884b172bed88d52de731c615f8346ffb0026a5a2353cc8b
11. 0x229ac400f9fac7ed956d4ea3b86616376296acec5c39a9e367535cb7291b233d
12. 0xe3f34fef96d9c5d7f710c6f376e1adf466bf57f883203f7b6df25a6b7a3ccb9d
13. 0x6fbe23cbb012f30cf469d9eab6acaff62ab8ad93598502a3bdbd6f4ee329a80e
14. 0x67e76a5b4517f0cd6d3381baab96eb627df4394492e64e7c2890e01538ee4d79
15. 0x213998878db6a423b0c367a68aba39293f9287b39bf1a80904fa9c6975bba987
16. 0x0009f1567d5c3f52d167d3c95d53c71fb66114fc26e83679b452d6db2f1d0b95
17. 0x0cdf39687556f127f9de2f03ec7df8e10e613bf9487760cbe3eaaaa02d8d48b4
18. 0xa9caf228b42660818160afb416ff04cb014f57c4d8ee75ea3452fb76c3d8c645
19. 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b

Day root

0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128

Chained

0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2

Published

On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94