{
    "tender_id": 3937431,
    "check": {
        "ok": true,
        "versions": 3,
        "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": "2026-10-29T12:54:26Z",
            "content": "{\"cpv\": \"44510000\", \"url\": \"https://pkpintercity.eb2b.com.pl/open-preview-auction.html/445986/akcesoria-warsztatowe-2\", \"buyer\": \"PKP INTERCITY S.A.\", \"title\": \"Akcesoria warsztatowe\", \"source\": \"pkpintercity_eb2b\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"445986\", \"deadline_at\": \"2026-10-30T11:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T11:00:00Z\"}",
            "content_hash": "1bef57508d8fb1671255e2cfdfc602e3ecf8565944bf9ac78cf16151f9f2d5a4",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "3f022ea2839217d5cecca2b6a9878a1e4d567fff0def1400a922d48b1e9939d5",
            "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": "2026-10-30T01:45:37Z",
            "content": "{\"cpv\": \"44510000\", \"url\": \"https://pkpintercity.eb2b.com.pl/open-preview-auction.html/445986/akcesoria-warsztatowe-2\", \"buyer\": \"PKP INTERCITY S.A.\", \"title\": \"Akcesoria warsztatowe\", \"source\": \"pkpintercity_eb2b\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"445986\", \"deadline_at\": \"2026-10-30T11:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T11:00:00Z\", \"procedure_url\": \"https://pkpintercity.eb2b.com.pl/open-preview-auction.html/445986/akcesoria-warsztatowe-2\"}",
            "content_hash": "382fcdf170989052e108e9d2d3008a3b09d9e9b1299f9baa502dbaea83da9478",
            "prev_hash": "3f022ea2839217d5cecca2b6a9878a1e4d567fff0def1400a922d48b1e9939d5",
            "hash": "0240f3b410f2b0b5baba9ae33a5547ebefbeffa7ec89be81fd299812dab889e5",
            "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
            }
        },
        {
            "version": 3,
            "recorded_at": "2026-10-30T14:44:59Z",
            "content": "{\"cpv\": \"44510000\", \"url\": \"https://pkpintercity.eb2b.com.pl/open-preview-auction.html/445986/akcesoria-warsztatowe-2\", \"buyer\": \"PKP INTERCITY S.A.\", \"title\": \"Akcesoria warsztatowe\", \"source\": \"pkpintercity_eb2b\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"445986\", \"deadline_at\": \"2026-11-04T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T11:00:00Z\", \"procedure_url\": \"https://pkpintercity.eb2b.com.pl/open-preview-auction.html/445986/akcesoria-warsztatowe-2\"}",
            "content_hash": "979ee2dbe2d3f9cd828ccee52d5ba4864b3a971525197733b52202196b7438d5",
            "prev_hash": "0240f3b410f2b0b5baba9ae33a5547ebefbeffa7ec89be81fd299812dab889e5",
            "hash": "4bbd77572a186eb298092d620297e22d5737b34317eae7cce1bfb8d67f152d23",
            "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
            }
        }
    ]
}