{
    "tender_id": 6192662,
    "check": {
        "ok": true,
        "versions": 5,
        "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": "2026-11-09T20:55:00Z",
            "content": "{\"cpv\": \"80561000\", \"url\": \"https://bazakonkurencyjnosci.funduszeeuropejskie.gov.pl/ogloszenia/297514\", \"buyer\": \"Fundacja4Future\", \"title\": \"Pogodna Jesień Życia\", \"region\": \"lodzkie\", \"source\": \"baza_konkurencyjnosci\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Łódź, łódzkie\", \"source_id\": \"297514\", \"deadline_at\": \"2026-11-17T23:59:59Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-09T00:00:00Z\"}",
            "content_hash": "f1e8743f4c5b1ece2d409f83d3ebc6dca4da6b28547ebfb1c85e02f63e781357",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "bdf243a0edd0a3faf979ae8eb8219c0e06e312ac6561008fdb1fcda7db186afd",
            "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": 2,
            "recorded_at": "2026-11-10T07:46:31Z",
            "content": "{\"cpv\": \"80561000\", \"url\": \"https://bazakonkurencyjnosci.funduszeeuropejskie.gov.pl/ogloszenia/297514\", \"buyer\": \"Fundacja4Future\", \"title\": \"Pogodna Jesień Życia\", \"region\": \"lodzkie\", \"source\": \"baza_konkurencyjnosci\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Łódź, łódzkie\", \"source_id\": \"297514\", \"deadline_at\": \"2026-11-17T23:59:59Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-09T00:00:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3885024/pogodna-jesien-zycia\"}",
            "content_hash": "52f43e6acefe3ef6ba09e38c66e2721afe29be572e5a639a827a0423ab6f8909",
            "prev_hash": "bdf243a0edd0a3faf979ae8eb8219c0e06e312ac6561008fdb1fcda7db186afd",
            "hash": "76e2ca3445f0545cbfe687b2f5dc0dc4ac46aa3b628ed3f0fe59b37a239a349e",
            "actor": null,
            "seal": {
                "id": 18,
                "digest": "adeec00ed6b673509a2a075e675623159dccab6a142d1ac62c122cfe1d16794c",
                "file": "https://tenderiq.pl/rejestr/pieczec-18.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-18.txt.ots",
                "bitcoin_block": 975359
            }
        },
        {
            "version": 3,
            "recorded_at": "2026-11-11T16:45:34Z",
            "content": "{\"cpv\": \"80561000\", \"url\": \"https://bazakonkurencyjnosci.funduszeeuropejskie.gov.pl/ogloszenia/297514\", \"buyer\": \"Fundacja4Future\", \"title\": \"Pogodna Jesień Życia\", \"region\": \"lodzkie\", \"source\": \"baza_konkurencyjnosci\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Łódź, łódzkie\", \"source_id\": \"297514\", \"deadline_at\": \"2026-11-17T23:59:59Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-09T00:00:00Z\", \"procedure_url\": \"https://bazakonkurencyjnosci.funduszeeuropejskie.gov.pl/ogloszenia/297514\"}",
            "content_hash": "e1ef3b99466def19196a03689bc02c171ebb5c4038f9f5923679c9734cfbba27",
            "prev_hash": "76e2ca3445f0545cbfe687b2f5dc0dc4ac46aa3b628ed3f0fe59b37a239a349e",
            "hash": "cbd0dd1f6c442cbc20056d9477d4b925bf990f130aa271681cceb89e89a301bb",
            "actor": null,
            "seal": {
                "id": 19,
                "digest": "05e2ffd7c7bb44bfb5e6b062f84e36ca3629f3ad66dde8bbfe1095f29f4e6236",
                "file": "https://tenderiq.pl/rejestr/pieczec-19.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-19.txt.ots",
                "bitcoin_block": 975491
            }
        },
        {
            "version": 4,
            "recorded_at": "2026-11-12T05:45:50Z",
            "content": "{\"cpv\": \"80561000\", \"url\": \"https://bazakonkurencyjnosci.funduszeeuropejskie.gov.pl/ogloszenia/297514\", \"buyer\": \"Fundacja4Future\", \"title\": \"Pogodna Jesień Życia\", \"region\": \"lodzkie\", \"source\": \"baza_konkurencyjnosci\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Łódź, łódzkie\", \"source_id\": \"297514\", \"deadline_at\": \"2026-11-17T23:59:59Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-09T00:00:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3885024/pogodna-jesien-zycia\"}",
            "content_hash": "52f43e6acefe3ef6ba09e38c66e2721afe29be572e5a639a827a0423ab6f8909",
            "prev_hash": "cbd0dd1f6c442cbc20056d9477d4b925bf990f130aa271681cceb89e89a301bb",
            "hash": "e70c1484c40e6fb8592ec27e1f900bdd0f4fcbba3241a8bdc455768d340c0e7c",
            "actor": null,
            "seal": {
                "id": 20,
                "digest": "b2fd6447da2d3f3e4b1804384291a598bc4e869f37e35449b20c1a3b8e7b3920",
                "file": "https://tenderiq.pl/rejestr/pieczec-20.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-20.txt.ots",
                "bitcoin_block": 975620
            }
        },
        {
            "version": 5,
            "recorded_at": "2026-11-12T13:23:35Z",
            "content": "{\"cpv\": \"66511000\", \"url\": \"https://bazakonkurencyjnosci.funduszeeuropejskie.gov.pl/ogloszenia/297514\", \"buyer\": \"Fundacja4Future\", \"title\": \"Pogodna Jesień Życia\", \"region\": \"lodzkie\", \"source\": \"baza_konkurencyjnosci\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Łódź, łódzkie\", \"source_id\": \"297514\", \"deadline_at\": \"2026-11-17T23:59:59Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-09T00:00:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3885024/pogodna-jesien-zycia\"}",
            "content_hash": "07cca093db79954143665387c4b672043b91c30c2c89225b84101b9f609c3775",
            "prev_hash": "e70c1484c40e6fb8592ec27e1f900bdd0f4fcbba3241a8bdc455768d340c0e7c",
            "hash": "e62ed2e12dc5a81b40cd2fee05f7f11da80905dcf06c29aa2f51b8e521b1b1e4",
            "actor": null,
            "seal": {
                "id": 20,
                "digest": "b2fd6447da2d3f3e4b1804384291a598bc4e869f37e35449b20c1a3b8e7b3920",
                "file": "https://tenderiq.pl/rejestr/pieczec-20.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-20.txt.ots",
                "bitcoin_block": 975620
            }
        }
    ]
}