{
    "tender_id": 3798969,
    "check": {
        "ok": true,
        "versions": 8,
        "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": "2026-10-28T15:12:21Z",
            "content": "{\"cpv\": \"44440000\", \"url\": \"https://cognor.logintrade.net/portal,szczegolyZapytaniaOfertowe,51f45516c9f09f4f0fb4eb2af1845f2f.html\", \"buyer\": \"Cognor SA oddział HSJ w Stalowej Woli\", \"title\": \"Pierścień łożyska rolki gładkiej rys. HMR 19-30-2 poz.2 fi 116 (194201)\", \"region\": \"podkarpackie\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"podkarpackie\", \"source_id\": \"cognor-51f45516c9f09f4f0fb4eb2af1845f2f\", \"deadline_at\": \"2026-10-30T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-28T13:29:00Z\"}",
            "content_hash": "b29371cb78404506f7596cd23183c84e3ccebbd6e15aae97ef3fadded5eb6002",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "815c0a63a3ab5a39047cacc9aad586dfb70a3e46760f53fb52a6ec089304e4ba",
            "actor": null,
            "seal": {
                "id": 5,
                "digest": "0659ce1e2aadd7f69ed1ff4603a4290c070eaa14bbeed28a3c9a7cc2127acae9",
                "file": "https://tenderiq.pl/rejestr/pieczec-5.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-5.txt.ots",
                "bitcoin_block": 973609
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-29T02:09:19Z",
            "content": "{\"cpv\": \"44440000\", \"url\": \"https://cognor.logintrade.net/portal,szczegolyZapytaniaOfertowe,51f45516c9f09f4f0fb4eb2af1845f2f.html\", \"buyer\": \"Cognor SA oddział HSJ w Stalowej Woli\", \"title\": \"Pierścień łożyska rolki gładkiej rys. HMR 19-30-2 poz.2 fi 116 (194201)\", \"region\": \"podkarpackie\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"cognor-51f45516c9f09f4f0fb4eb2af1845f2f\", \"deadline_at\": \"2026-10-30T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-28T15:14:00Z\"}",
            "content_hash": "30b2994e77968faf667d8b546f12fed71257d1c074a1a4459053087144808a35",
            "prev_hash": "815c0a63a3ab5a39047cacc9aad586dfb70a3e46760f53fb52a6ec089304e4ba",
            "hash": "0e9de554758f1891b05e9d740da774e1a17a7374f6d8f0888488bddaee529862",
            "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": "2026-10-29T04:45:42Z",
            "content": "{\"cpv\": \"44440000\", \"url\": \"https://cognor.logintrade.net/portal,szczegolyZapytaniaOfertowe,51f45516c9f09f4f0fb4eb2af1845f2f.html\", \"buyer\": \"Cognor SA oddział HSJ w Stalowej Woli\", \"title\": \"Pierścień łożyska rolki gładkiej rys. HMR 19-30-2 poz.2 fi 116 (194201)\", \"region\": \"podkarpackie\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"cognor-51f45516c9f09f4f0fb4eb2af1845f2f\", \"deadline_at\": \"2026-10-30T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-28T15:14:00Z\", \"procedure_url\": \"https://cognor.logintrade.net/portal,szczegolyZapytaniaOfertowe,51f45516c9f09f4f0fb4eb2af1845f2f.html\"}",
            "content_hash": "2ae38c3007e296b7bffec4e35781dbd03b55058340d63c1a0c5cab414d746309",
            "prev_hash": "0e9de554758f1891b05e9d740da774e1a17a7374f6d8f0888488bddaee529862",
            "hash": "a0cc90112d5fb48ddd402a8de8dfc9c9af66b14feb1bce6f9d25054d7dc89991",
            "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": "2026-10-29T11:17:02Z",
            "content": "{\"cpv\": \"44440000\", \"url\": \"https://cognor.logintrade.net/portal,szczegolyZapytaniaOfertowe,51f45516c9f09f4f0fb4eb2af1845f2f.html\", \"buyer\": \"Cognor SA oddział HSJ w Stalowej Woli\", \"title\": \"Pierścień łożyska rolki gładkiej rys. HMR 19-30-2 poz.2 fi 116 (194201)\", \"region\": \"podkarpackie\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"podkarpackie\", \"source_id\": \"cognor-51f45516c9f09f4f0fb4eb2af1845f2f\", \"deadline_at\": \"2026-10-30T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-28T13:29:00Z\", \"procedure_url\": \"https://cognor.logintrade.net/portal,szczegolyZapytaniaOfertowe,51f45516c9f09f4f0fb4eb2af1845f2f.html\"}",
            "content_hash": "051f7770b97c77f30da3d8226805cf2e44a04141aae2d9f52d66926ffb5589dc",
            "prev_hash": "a0cc90112d5fb48ddd402a8de8dfc9c9af66b14feb1bce6f9d25054d7dc89991",
            "hash": "ec3bb1f4700f58732d63a3db4c8bab67643a84552e8b571cf27f9d810de5274b",
            "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": 5,
            "recorded_at": "2026-10-29T17:45:22Z",
            "content": "{\"cpv\": \"44440000\", \"url\": \"https://cognor.logintrade.net/portal,szczegolyZapytaniaOfertowe,51f45516c9f09f4f0fb4eb2af1845f2f.html\", \"buyer\": \"Cognor SA oddział HSJ w Stalowej Woli\", \"title\": \"Pierścień łożyska rolki gładkiej rys. HMR 19-30-2 poz.2 fi 116 (194201)\", \"region\": \"podkarpackie\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"podkarpackie\", \"source_id\": \"cognor-51f45516c9f09f4f0fb4eb2af1845f2f\", \"deadline_at\": \"2026-10-30T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-28T13:29:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3859067/pierscien-lozyska-rolki-gladkiej-rys-hmr-19-30-2-poz-2-fi-116-194201-\"}",
            "content_hash": "f0ca5fb8fa5afe69c42f173fb3498706cda513e1876bef5aadc0348f1cb7f0da",
            "prev_hash": "ec3bb1f4700f58732d63a3db4c8bab67643a84552e8b571cf27f9d810de5274b",
            "hash": "bfdc61165568d7a365eed7a550713194f5e35e7da926bc4c0cab420c64984dd1",
            "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": 6,
            "recorded_at": "2026-10-29T19:40:11Z",
            "content": "{\"cpv\": \"44440000\", \"url\": \"https://cognor.logintrade.net/portal,szczegolyZapytaniaOfertowe,51f45516c9f09f4f0fb4eb2af1845f2f.html\", \"buyer\": \"Cognor SA oddział HSJ w Stalowej Woli\", \"title\": \"Pierścień łożyska rolki gładkiej rys. HMR 19-30-2 poz.2 fi 116 (194201)\", \"region\": \"podkarpackie\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"cognor-51f45516c9f09f4f0fb4eb2af1845f2f\", \"deadline_at\": \"2026-10-30T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-28T15:14:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3859067/pierscien-lozyska-rolki-gladkiej-rys-hmr-19-30-2-poz-2-fi-116-194201-\"}",
            "content_hash": "7a8b572db95515432d5a74cbb0836ab0e823dd7b9dc725e95347ebf6885821e9",
            "prev_hash": "bfdc61165568d7a365eed7a550713194f5e35e7da926bc4c0cab420c64984dd1",
            "hash": "6eca64e961aa628e83804f83f733761fd8513f62e71592bc45211729dc5085bf",
            "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": 7,
            "recorded_at": "2026-10-29T19:46:04Z",
            "content": "{\"cpv\": \"44440000\", \"url\": \"https://cognor.logintrade.net/portal,szczegolyZapytaniaOfertowe,51f45516c9f09f4f0fb4eb2af1845f2f.html\", \"buyer\": \"Cognor SA oddział HSJ w Stalowej Woli\", \"title\": \"Pierścień łożyska rolki gładkiej rys. HMR 19-30-2 poz.2 fi 116 (194201)\", \"region\": \"podkarpackie\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"cognor-51f45516c9f09f4f0fb4eb2af1845f2f\", \"deadline_at\": \"2026-10-30T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-28T15:14:00Z\", \"procedure_url\": \"https://cognor.logintrade.net/portal,szczegolyZapytaniaOfertowe,51f45516c9f09f4f0fb4eb2af1845f2f.html\"}",
            "content_hash": "2ae38c3007e296b7bffec4e35781dbd03b55058340d63c1a0c5cab414d746309",
            "prev_hash": "6eca64e961aa628e83804f83f733761fd8513f62e71592bc45211729dc5085bf",
            "hash": "d7fd203b4f18f6fe7b36c387bc1d534b562cf9df310867d47bbd7fd1ae19c3e4",
            "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": 8,
            "recorded_at": "2026-10-30T06:26:09Z",
            "content": "{\"cpv\": \"44440000\", \"url\": \"https://cognor.logintrade.net/portal,szczegolyZapytaniaOfertowe,51f45516c9f09f4f0fb4eb2af1845f2f.html\", \"buyer\": \"Cognor SA oddział HSJ w Stalowej Woli\", \"title\": \"Pierścień łożyska rolki gładkiej rys. HMR 19-30-2 poz.2 fi 116 (194201)\", \"region\": \"podkarpackie\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"podkarpackie\", \"source_id\": \"cognor-51f45516c9f09f4f0fb4eb2af1845f2f\", \"deadline_at\": \"2026-10-30T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-28T13:29:00Z\", \"procedure_url\": \"https://cognor.logintrade.net/portal,szczegolyZapytaniaOfertowe,51f45516c9f09f4f0fb4eb2af1845f2f.html\"}",
            "content_hash": "051f7770b97c77f30da3d8226805cf2e44a04141aae2d9f52d66926ffb5589dc",
            "prev_hash": "d7fd203b4f18f6fe7b36c387bc1d534b562cf9df310867d47bbd7fd1ae19c3e4",
            "hash": "46a5f4c7db7b9d986a959f38afd1564babd2ceb39ac9dc1b2f4f8a0b958466c8",
            "actor": null,
            "seal": {
                "id": 7,
                "digest": "a9f75e7ec6726860fada5c5807cac164b76cf44582f14a01cd7b4a36f579f813",
                "file": "https://tenderiq.pl/rejestr/pieczec-7.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-7.txt.ots",
                "bitcoin_block": 973897
            }
        }
    ]
}