{
    "tender_id": 3397801,
    "check": {
        "ok": true,
        "versions": 2,
        "broken_at": null
    },
    "formula": "content_hash = sha256(content); hash = sha256(prev_hash + \"\\n\" + tender_id + \"\\n\" + version + \"\\n\" + recorded_at + \"\\n\" + content_hash [+ \"\\n\" + actor, when the version has one])",
    "versions": [
        {
            "version": 1,
            "recorded_at": "2026-10-26T13:21:11Z",
            "content": "{\"cpv\": \"34100000\", \"url\": \"https://platforma.eb2b.com.pl/open-preview-auction.html/535560/leasing-samochodu-dostawczego-do-3-5t-ford-transit-1\", \"buyer\": \"ORLEN TERMIKA SILESIA S.A.\", \"title\": \"Leasing samochodu dostawczego do 3,5t Ford Transit\", \"region\": \"slaskie\", \"source\": \"eb2b_public\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"ŚLĄSKIE\", \"source_id\": \"535560\", \"deadline_at\": \"2026-10-30T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-26T10:15:00Z\"}",
            "content_hash": "8b303ea56c26322df0cddc7b86ef2b0b41fe6a8b9e15f6037bf2f714baf4e871",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "9fd002e71d82223c8494554b51ae868e5218ca0e5fc7413e4ea17c1f1c5e37c9",
            "actor": null,
            "seal": {
                "id": 3,
                "digest": "1119fd2ade60dc88ac794742ff488b9486e8a488f9d77cc6d6a9444474dc1c77",
                "file": "https://tenderiq.pl/rejestr/pieczec-3.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-3.txt.ots",
                "bitcoin_block": 973309
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-27T11:33:40Z",
            "content": "{\"cpv\": \"34100000\", \"url\": \"https://platforma.eb2b.com.pl/open-preview-auction.html/535560/leasing-samochodu-dostawczego-do-3-5t-ford-transit-1\", \"buyer\": \"ORLEN TERMIKA SILESIA S.A.\", \"title\": \"Leasing samochodu dostawczego do 3,5t Ford Transit\", \"region\": \"slaskie\", \"source\": \"eb2b_public\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"ŚLĄSKIE\", \"source_id\": \"535560\", \"deadline_at\": \"2026-10-30T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-26T10:15:00Z\", \"procedure_url\": \"https://platforma.eb2b.com.pl/open-preview-auction.html/535560/leasing-samochodu-dostawczego-do-3-5t-ford-transit-1\"}",
            "content_hash": "3dd7bfd5d5d4fa8b7768392d33abef3fdb1324a8bcdf9178cda12a7fb28ee2cb",
            "prev_hash": "9fd002e71d82223c8494554b51ae868e5218ca0e5fc7413e4ea17c1f1c5e37c9",
            "hash": "67272f85fdb338718f442256235874b44f44810b65dfb8bd2e09aa13dfdd4e8e",
            "actor": null,
            "seal": {
                "id": 4,
                "digest": "1a6d1144791ca08d9453bd1c8d38a6c251eb74cb6d377626fde25c11a52ccc7a",
                "file": "https://tenderiq.pl/rejestr/pieczec-4.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-4.txt.ots",
                "bitcoin_block": 973472
            }
        }
    ]
}