Evidence row 3047588

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": "12",
          "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":"7c441d461674fa03d699d7714ad67d007af6518a9598e4f0294302314881454a","id":3047588,"kind":"listing","method":"sync.agentic_market/1","observed_us":1793816672100854,"prev":2189836,"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 2026-11-04 (424109 rows).

1. 0x56b683cd973a3f9f19b0f671e156727b98cdc202e5bbd238d60fbe40954c9818
2. 0xf44427d821a5e19a3fdbf8f6f35b5faa10c9ab2248ceb9a24a9a0d24ede7ba33
3. 0x6e286765634c8c8f9ec0952c46f135bfda64139b2c19466e9609c70e09d0d517
4. 0x9d76c9a2520629afa81f97a52a7a0b145b9734ec64d3b051aea49ce08a81b397
5. 0xda1030127dd8d311359784022fd0a4f421294cecee1bfcebfa97df56dd473d90
6. 0xcb6c81c747ca8fc6bb5ba848184f340ad88e207ea16f88b6b27ce67230da2592
7. 0xed73a7572ce23106c900a9415769c37c9c0fc223c6e6cf5f6d40ca2100e5c135
8. 0xc9b404c2fe10a674c8f199fd452753d96bd51522abd934b17ca4e65e455fef73
9. 0xe41ff1dcd2a420ad468aa8edff2a0d918a014972bf722ef40b905995b6f6917a
10. 0x26d552a992cd79e3743e4c32c001dbe3ad3c4ad1323f47b452a52131d064eaae
11. 0x95223b995384a5c2b655536ef1fe7c2c2aa5e4b8854b3281f457b488ba2e70a8
12. 0x945fe9487995ba90c82134d19e760f56c5b24bc01d33b378e0e0c5fb0f54498d
13. 0xa2e5674fcc10c964861fbb98d1f682c2e24346c9f9f7f8e545244f42f75207a7
14. 0xfcbe70e6806bc5e74c59372e42042f8b6a3a2290fd0287c7191d5427d1ed1efc
15. 0x5d251e883c0069357a22831cebb319c52fe5f04a17c550ecf0dee07b97adf218
16. 0x5c295f44fee7844fe001921189101c73d5ab26f05805bf5587a5f0e5ee351912
17. 0xd8e00ce5342a08a947d0a4806e7254d076614766392d88153d93cf58ae69cf8b
18. 0xc3c363818e1d5142c4629be55f1c9e168a7466e628cfd2a858fe171aff1e91ca
19. 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5

Day root

0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee

Chained

0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b

Published

On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345