{
    "tender_id": 4810624,
    "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": "2026-11-02T18:39:24Z",
            "content": "{\"cpv\": \"42300000\", \"url\": \"https://platforma-wodociagi.logintrade.net/portal,szczegolyZapytaniaOfertowe,cebf3f134dba0b8d1f9e0432b2d5fe3c.html\", \"buyer\": \"Wodociągi Miasta Krakowa Spółka Akcyjna\", \"title\": \"Zakup i dostawa łącznika rurowego z zabezpieczeniem dla potrzeb WMK S.A.\", \"region\": \"malopolskie\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"MAŁOPOLSKIE\", \"source_id\": \"platforma-wodociagi-cebf3f134dba0b8d1f9e0432b2d5fe3c\", \"deadline_at\": \"2026-11-09T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-02T10:51:00Z\"}",
            "content_hash": "a9609c072e2389a3d4b84470216dc35f371245d922bed27f87b9108a79912f4f",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "1e95d6ed8a526221dceb1dff42d6f8ea38f98c2a8d074e88eb581e2b62392d46",
            "actor": null,
            "seal": {
                "id": 10,
                "digest": "297505af1d9d820e84b46bcdd40ae11b1ffc912134eeb69a764090ac7f9838b4",
                "file": "https://tenderiq.pl/rejestr/pieczec-10.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-10.txt.ots",
                "bitcoin_block": 974314
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-11-02T21:47:15Z",
            "content": "{\"cpv\": \"64112000\", \"url\": \"https://platforma-wodociagi.logintrade.net/portal,szczegolyZapytaniaOfertowe,cebf3f134dba0b8d1f9e0432b2d5fe3c.html\", \"buyer\": \"Wodociągi Miasta Krakowa Spółka Akcyjna\", \"title\": \"Zakup i dostawa łącznika rurowego z zabezpieczeniem dla potrzeb WMK S.A.\", \"region\": \"malopolskie\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"MAŁOPOLSKIE\", \"source_id\": \"platforma-wodociagi-cebf3f134dba0b8d1f9e0432b2d5fe3c\", \"deadline_at\": \"2026-11-09T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-02T10:51:00Z\"}",
            "content_hash": "0ab47faa8d17d6fa81f0fdcc0c1b599d265635823ed8d55163dab22ec0725b43",
            "prev_hash": "1e95d6ed8a526221dceb1dff42d6f8ea38f98c2a8d074e88eb581e2b62392d46",
            "hash": "6bf69da481a3b7ab305fc273c38c09d52c5a96e579d998a3b89837c71b418c39",
            "actor": null,
            "seal": {
                "id": 10,
                "digest": "297505af1d9d820e84b46bcdd40ae11b1ffc912134eeb69a764090ac7f9838b4",
                "file": "https://tenderiq.pl/rejestr/pieczec-10.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-10.txt.ots",
                "bitcoin_block": 974314
            }
        },
        {
            "version": 3,
            "recorded_at": "2026-11-03T07:34:23Z",
            "content": "{\"cpv\": \"64112000\", \"url\": \"https://platforma-wodociagi.logintrade.net/portal,szczegolyZapytaniaOfertowe,cebf3f134dba0b8d1f9e0432b2d5fe3c.html\", \"buyer\": \"Wodociągi Miasta Krakowa Spółka Akcyjna\", \"title\": \"Zakup i dostawa łącznika rurowego z zabezpieczeniem dla potrzeb WMK S.A.\", \"region\": \"malopolskie\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"MAŁOPOLSKIE\", \"source_id\": \"platforma-wodociagi-cebf3f134dba0b8d1f9e0432b2d5fe3c\", \"deadline_at\": \"2026-11-09T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-02T10:51:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3859203/zakup-i-dostawa-lacznika-rurowego-z-zabezpieczeniem-dla-potrzeb-wmk-s-a-\"}",
            "content_hash": "14d0113ee7b1d5a3350ec6979d597c0f2cbf2013eb0424428c551ed464f68e53",
            "prev_hash": "6bf69da481a3b7ab305fc273c38c09d52c5a96e579d998a3b89837c71b418c39",
            "hash": "292f7f2d14785af861d897b610d6447b4c981af5780045c1d6881c6763754883",
            "actor": null,
            "seal": {
                "id": 11,
                "digest": "e9a17a70070a65f95be452321715a138cbb650567f41e2bae0faa2ffd562bbbd",
                "file": "https://tenderiq.pl/rejestr/pieczec-11.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-11.txt.ots",
                "bitcoin_block": 974456
            }
        },
        {
            "version": 4,
            "recorded_at": "2026-11-03T11:32:13Z",
            "content": "{\"cpv\": \"64112000\", \"url\": \"https://platforma-wodociagi.logintrade.net/portal,szczegolyZapytaniaOfertowe,cebf3f134dba0b8d1f9e0432b2d5fe3c.html\", \"buyer\": \"Wodociągi Miasta Krakowa Spółka Akcyjna\", \"title\": \"Zakup i dostawa łącznika rurowego z zabezpieczeniem dla potrzeb WMK S.A.\", \"region\": \"malopolskie\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"MAŁOPOLSKIE\", \"source_id\": \"platforma-wodociagi-cebf3f134dba0b8d1f9e0432b2d5fe3c\", \"deadline_at\": \"2026-11-09T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-02T10:51:00Z\"}",
            "content_hash": "0ab47faa8d17d6fa81f0fdcc0c1b599d265635823ed8d55163dab22ec0725b43",
            "prev_hash": "292f7f2d14785af861d897b610d6447b4c981af5780045c1d6881c6763754883",
            "hash": "abe6670536b8a3a7c8d3a444c462fc24e664eb9e1c69cade3d4bbdcb8f767918",
            "actor": null,
            "seal": {
                "id": 11,
                "digest": "e9a17a70070a65f95be452321715a138cbb650567f41e2bae0faa2ffd562bbbd",
                "file": "https://tenderiq.pl/rejestr/pieczec-11.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-11.txt.ots",
                "bitcoin_block": 974456
            }
        },
        {
            "version": 5,
            "recorded_at": "2026-11-04T00:40:40Z",
            "content": "{\"cpv\": \"42300000\", \"url\": \"https://platforma-wodociagi.logintrade.net/portal,szczegolyZapytaniaOfertowe,cebf3f134dba0b8d1f9e0432b2d5fe3c.html\", \"buyer\": \"Wodociągi Miasta Krakowa Spółka Akcyjna\", \"title\": \"Zakup i dostawa łącznika rurowego z zabezpieczeniem dla potrzeb WMK S.A.\", \"region\": \"malopolskie\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"MAŁOPOLSKIE\", \"source_id\": \"platforma-wodociagi-cebf3f134dba0b8d1f9e0432b2d5fe3c\", \"deadline_at\": \"2026-11-09T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-02T10:51:00Z\"}",
            "content_hash": "a9609c072e2389a3d4b84470216dc35f371245d922bed27f87b9108a79912f4f",
            "prev_hash": "abe6670536b8a3a7c8d3a444c462fc24e664eb9e1c69cade3d4bbdcb8f767918",
            "hash": "3f28bf0e1370607a996713b874540cea84a98d9da11ba8c2cc35365cc7198418",
            "actor": null,
            "seal": null
        }
    ]
}