{
    "tender_id": 3881720,
    "check": {
        "ok": true,
        "versions": 4,
        "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": "2026-10-29T04:27:22Z",
            "content": "{\"cpv\": \"90512000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3859133/sta-48550-usluga-utylizacji-tworzyw-sztucznych-o-kodzie-150102\", \"buyer\": \"Alchemia S.A. Oddział Chorzów Batory\", \"title\": \"STA/48550 Usługa utylizacji tworzyw sztucznych o kodzie 150102\", \"region\": \"slaskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3859133\", \"deadline_at\": \"2026-11-03T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T04:27:23Z\"}",
            "content_hash": "ced999a49a44ec1fc45b0a8156b425a6aaa42a5f22ac9d947d492d124ffc554f",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "bab7389b620a38aedcec72b4467edde12ca0aad3128f973954c6d7641401b75a",
            "actor": null,
            "seal": {
                "id": 6,
                "digest": "e733200881d78faed3c108fa90cea332062fa40f3af23fcfd3f901e311d96e33",
                "file": "https://tenderiq.pl/rejestr/pieczec-6.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-6.txt.ots",
                "bitcoin_block": 973754
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-29T04:45:41Z",
            "content": "{\"cpv\": \"90512000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3859133/sta-48550-usluga-utylizacji-tworzyw-sztucznych-o-kodzie-150102\", \"buyer\": \"Alchemia S.A. Oddział Chorzów Batory\", \"title\": \"STA/48550 Usługa utylizacji tworzyw sztucznych o kodzie 150102\", \"region\": \"slaskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3859133\", \"deadline_at\": \"2026-11-03T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T04:27:23Z\", \"procedure_url\": \"https://alchemia.logintrade.net/portal,szczegolyZapytaniaOfertowe,632da2f839a487163f4cb3d71b925db6.html\"}",
            "content_hash": "a8b3de6a6a17f968890f7eaa9205a4a7b67f00599239aa86bb878b5c17de2427",
            "prev_hash": "bab7389b620a38aedcec72b4467edde12ca0aad3128f973954c6d7641401b75a",
            "hash": "c2259ce1166eded6c44925bbb83e7508f2c8474491ce2b2e9877911ecb65e247",
            "actor": null,
            "seal": {
                "id": 6,
                "digest": "e733200881d78faed3c108fa90cea332062fa40f3af23fcfd3f901e311d96e33",
                "file": "https://tenderiq.pl/rejestr/pieczec-6.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-6.txt.ots",
                "bitcoin_block": 973754
            }
        },
        {
            "version": 3,
            "recorded_at": "2026-10-29T17:45:22Z",
            "content": "{\"cpv\": \"90512000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3859133/sta-48550-usluga-utylizacji-tworzyw-sztucznych-o-kodzie-150102\", \"buyer\": \"Alchemia S.A. Oddział Chorzów Batory\", \"title\": \"STA/48550 Usługa utylizacji tworzyw sztucznych o kodzie 150102\", \"region\": \"slaskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3859133\", \"deadline_at\": \"2026-11-03T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T04:27:23Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3859133/sta-48550-usluga-utylizacji-tworzyw-sztucznych-o-kodzie-150102\"}",
            "content_hash": "1d451144ea1080761660959d49314dbf9aa499a362ce3825660c72b0a60df2c0",
            "prev_hash": "c2259ce1166eded6c44925bbb83e7508f2c8474491ce2b2e9877911ecb65e247",
            "hash": "66335606289979a27c19da3ce2fb3d7dadc9006be10923a809267ee86f6c02cf",
            "actor": null,
            "seal": {
                "id": 6,
                "digest": "e733200881d78faed3c108fa90cea332062fa40f3af23fcfd3f901e311d96e33",
                "file": "https://tenderiq.pl/rejestr/pieczec-6.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-6.txt.ots",
                "bitcoin_block": 973754
            }
        },
        {
            "version": 4,
            "recorded_at": "2026-10-29T19:45:58Z",
            "content": "{\"cpv\": \"90512000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3859133/sta-48550-usluga-utylizacji-tworzyw-sztucznych-o-kodzie-150102\", \"buyer\": \"Alchemia S.A. Oddział Chorzów Batory\", \"title\": \"STA/48550 Usługa utylizacji tworzyw sztucznych o kodzie 150102\", \"region\": \"slaskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3859133\", \"deadline_at\": \"2026-11-03T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T04:27:23Z\", \"procedure_url\": \"https://alchemia.logintrade.net/portal,szczegolyZapytaniaOfertowe,632da2f839a487163f4cb3d71b925db6.html\"}",
            "content_hash": "a8b3de6a6a17f968890f7eaa9205a4a7b67f00599239aa86bb878b5c17de2427",
            "prev_hash": "66335606289979a27c19da3ce2fb3d7dadc9006be10923a809267ee86f6c02cf",
            "hash": "a3ab611ff085109e2098ac76a644b637f60bee8137cb8136831005adb7ca97e4",
            "actor": null,
            "seal": {
                "id": 6,
                "digest": "e733200881d78faed3c108fa90cea332062fa40f3af23fcfd3f901e311d96e33",
                "file": "https://tenderiq.pl/rejestr/pieczec-6.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-6.txt.ots",
                "bitcoin_block": 973754
            }
        }
    ]
}