{
    "tender_id": 5409075,
    "check": {
        "ok": true,
        "versions": 6,
        "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": "2026-11-05T12:21:59Z",
            "content": "{\"cpv\": \"18143000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3875666/dostawa-ochronnikow-sluchu-3m\", \"buyer\": \"APwSz w Szczytnie\", \"title\": \"Dostawa ochronników słuchu 3M\", \"region\": \"warminsko-mazurskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3875666\", \"deadline_at\": \"2026-11-10T07:15:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-05T12:22:00Z\"}",
            "content_hash": "c0ee29d82c94901985d713ab3d1a7508b87d6939cbaaf2c578b46c4cada0e57e",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "e989615a8028b5579a17d4fdc87b4747765d5d0f7573a564c279eabed1c37b7f",
            "actor": null,
            "seal": {
                "id": 13,
                "digest": "88eaa47ed54f178cca07f94ec9f0c5d48c105c008cf249a9e53ac4ca63161903",
                "file": "https://tenderiq.pl/rejestr/pieczec-13.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-13.txt.ots",
                "bitcoin_block": 974729
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-11-05T19:45:38Z",
            "content": "{\"cpv\": \"18143000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3875666/dostawa-ochronnikow-sluchu-3m\", \"buyer\": \"APwSz w Szczytnie\", \"title\": \"Dostawa ochronników słuchu 3M\", \"region\": \"warminsko-mazurskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3875666\", \"deadline_at\": \"2026-11-10T07:15:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-05T12:22:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3875666/dostawa-ochronnikow-sluchu-3m\"}",
            "content_hash": "c8f82b2d6ece5465b985bdb98e70572008d886e8ffb0c13b17c3931a45ac27ff",
            "prev_hash": "e989615a8028b5579a17d4fdc87b4747765d5d0f7573a564c279eabed1c37b7f",
            "hash": "77ef17c8074c97dde181833cde7927267e3e2073ed313269b67a6d24d2c4c32c",
            "actor": null,
            "seal": {
                "id": 13,
                "digest": "88eaa47ed54f178cca07f94ec9f0c5d48c105c008cf249a9e53ac4ca63161903",
                "file": "https://tenderiq.pl/rejestr/pieczec-13.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-13.txt.ots",
                "bitcoin_block": 974729
            }
        },
        {
            "version": 3,
            "recorded_at": "2026-11-08T08:47:27Z",
            "content": "{\"cpv\": \"18143000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3875666/dostawa-ochronnikow-sluchu-3m\", \"buyer\": \"APwSz w Szczytnie\", \"title\": \"Dostawa ochronników słuchu 3M\", \"region\": \"warminsko-mazurskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3875666\", \"deadline_at\": \"2026-11-10T07:15:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-05T12:22:00Z\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1404277\"}",
            "content_hash": "c6f4a01f95dd50cbb2523c7cc1b53f4e7213c9d31b620be2cd352a9d1aa4cc17",
            "prev_hash": "77ef17c8074c97dde181833cde7927267e3e2073ed313269b67a6d24d2c4c32c",
            "hash": "1c747a1c6ba412794edd7c5aaf17a7a843ce11b0dd10ed97d975b534f09ab09c",
            "actor": null,
            "seal": {
                "id": 16,
                "digest": "72f8a05824ed8e52a6b46652732fcf18b4e959a25ba079607d2201da248317e1",
                "file": "https://tenderiq.pl/rejestr/pieczec-16.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-16.txt.ots",
                "bitcoin_block": 975121
            }
        },
        {
            "version": 4,
            "recorded_at": "2026-11-08T16:46:09Z",
            "content": "{\"cpv\": \"18143000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3875666/dostawa-ochronnikow-sluchu-3m\", \"buyer\": \"APwSz w Szczytnie\", \"title\": \"Dostawa ochronników słuchu 3M\", \"region\": \"warminsko-mazurskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3875666\", \"deadline_at\": \"2026-11-10T07:15:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-05T12:22:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3875666/dostawa-ochronnikow-sluchu-3m\"}",
            "content_hash": "c8f82b2d6ece5465b985bdb98e70572008d886e8ffb0c13b17c3931a45ac27ff",
            "prev_hash": "1c747a1c6ba412794edd7c5aaf17a7a843ce11b0dd10ed97d975b534f09ab09c",
            "hash": "beb958f23b7491fd1c17333921bf26ee7f63654fefb13d6b201396170c356e89",
            "actor": null,
            "seal": {
                "id": 16,
                "digest": "72f8a05824ed8e52a6b46652732fcf18b4e959a25ba079607d2201da248317e1",
                "file": "https://tenderiq.pl/rejestr/pieczec-16.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-16.txt.ots",
                "bitcoin_block": 975121
            }
        },
        {
            "version": 5,
            "recorded_at": "2026-11-08T23:38:49Z",
            "content": "{\"cpv\": \"18143000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3875666/dostawa-ochronnikow-sluchu-3m\", \"buyer\": \"APwSz w Szczytnie\", \"title\": \"Dostawa ochronników słuchu 3M\", \"region\": \"warminsko-mazurskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3875666\", \"deadline_at\": \"2026-11-10T07:15:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-05T12:22:00Z\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1404277\"}",
            "content_hash": "c6f4a01f95dd50cbb2523c7cc1b53f4e7213c9d31b620be2cd352a9d1aa4cc17",
            "prev_hash": "beb958f23b7491fd1c17333921bf26ee7f63654fefb13d6b201396170c356e89",
            "hash": "2c2fef3e68c2499bbe413f060d890cb052bffc6969863cfbed518e99bafa6c61",
            "actor": null,
            "seal": {
                "id": 17,
                "digest": "ff8cb03aa08e7c772155df1b20fd8d51c1cab7cd026d5e31aa3d74d6ab70c7b2",
                "file": "https://tenderiq.pl/rejestr/pieczec-17.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-17.txt.ots",
                "bitcoin_block": 975226
            }
        },
        {
            "version": 6,
            "recorded_at": "2026-11-09T12:46:17Z",
            "content": "{\"cpv\": \"18143000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3875666/dostawa-ochronnikow-sluchu-3m\", \"buyer\": \"APwSz w Szczytnie\", \"title\": \"Dostawa ochronników słuchu 3M\", \"region\": \"warminsko-mazurskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3875666\", \"deadline_at\": \"2026-11-10T07:15:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-05T12:22:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3875666/dostawa-ochronnikow-sluchu-3m\"}",
            "content_hash": "c8f82b2d6ece5465b985bdb98e70572008d886e8ffb0c13b17c3931a45ac27ff",
            "prev_hash": "2c2fef3e68c2499bbe413f060d890cb052bffc6969863cfbed518e99bafa6c61",
            "hash": "937b29231b06bc5c322073f7fc15809f64528e3365e819f1482db08b833fd042",
            "actor": null,
            "seal": {
                "id": 17,
                "digest": "ff8cb03aa08e7c772155df1b20fd8d51c1cab7cd026d5e31aa3d74d6ab70c7b2",
                "file": "https://tenderiq.pl/rejestr/pieczec-17.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-17.txt.ots",
                "bitcoin_block": 975226
            }
        }
    ]
}