Evidence row 469262

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 or data by its SHA-256 hash: blockchain proof of existence and document integrity, anchored on Polygon in minutes and attested on Bitcoin (OpenTimestamps); blockchain notarization, not a notary act. Returns proof_id, certificate, proof.json and evidence ZIP, verifiable without Sellat. Use when you must prove that exact data existed by now and is intact.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "62f9ea556738ce32cb740ea94b8ea1ba6355967065d7cb314a617a679d190091",
            "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-20261026141802-21a0e997.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":"00c4220b7be0b0afc09f99597f3ff031c881ee04e9b2407deed379a2106b6841","id":469262,"kind":"listing","method":"sync.agentic_market/1","observed_us":1793104152103240,"prev":461142,"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 2026-10-27 (273461 rows).

1. 0x35ee2786c05dc85c572bef31669d3b3f514e767d50d0d24f3e93fb4398398d0d
2. 0x8476cc8b515eba3921303a74098f5ae10f8af845d6174d8ca1f2cf811ab226df
3. 0x12698be268ae35b523ac3aa581382d7438d754d14cf469fff5da42ca2bd8c8d4
4. 0x89d8db99f7feccc61bc93d7313d8f908179c7523895b25063bf14dd2f3d31a25
5. 0x24ea45117f6710893f8748df8903396e5985456c23abc95c01bcce2afa02c991
6. 0x2254eb58e4426027a44484f8022a9e529124213a64b7c979368b706dc7470ea1
7. 0xdfa596f225166db1eb521af2594e2e97f68496221eb92b792713afbbe7bf9110
8. 0x827a744efa10e2a4eb18023a524e2ed1194dfb5bbdff8e88fb6203a84091df37
9. 0x3561adee914af1bbc5f5523d2ebb3563654bd36c8a90b14ee7e9b74b97ca419a
10. 0xecfcd53ac79b70d08a13f2d77817adc7520939d2bdbbb220a967aabc3c18ef72
11. 0x7d16ca26502bd3cffc15f5f1d96c750b48f891e77865e69e164c7296932a66f7
12. 0x0491d1aef43a95c6e235bd50f122c12c8c56196bb71b329f055061f0e9ee7115
13. 0x5a83a2d5b2abb340c16172caf3ef83b831e168d2e94e4154a4ad72adcac5cad2
14. 0x595de2dea3b8fa56dbd6142dd78ae79f3e7169c631e41a844b100613abb3e430
15. 0x8360ee1105e4d9f9312067cbbfd47c69c5948665ae582b9684a580c8f4e199e1
16. 0x52efa60e0c3d8525486d2310eb3b6b566c9677c64fd1f819edb072cf101bcbdb
17. 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4