{
    "tender_id": 3937841,
    "check": {
        "ok": true,
        "versions": 7,
        "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": "2026-10-29T12:55:20Z",
            "content": "{\"url\": \"https://swoz.tauron.pl/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=13127613\", \"buyer\": \"TAURON Polska Energia S.A.\", \"title\": \"Naprawa przenośnika transportu pionowego A0ETA40 w TAURON Wytwarzanie Spółka Akcyjna - Oddział Elektrownia Nowe Jaworzno w Jaworznie\", \"source\": \"tauron_swoz_erfx\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"13127613\", \"deadline_at\": \"2026-11-05T10:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T09:22:00Z\"}",
            "content_hash": "11454563205c2672d4042f951bf0274bdc20369bbe41cf3a2c8ab1d25b10395e",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "2b0c29f349167890f8c93ff20e8a6c258b4d26810f2471efdf658d95914d0c51",
            "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": "2026-10-29T17:31:29Z",
            "content": "{\"cpv\": \"50531400\", \"url\": \"https://swoz.tauron.pl/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=13127613\", \"buyer\": \"TAURON Polska Energia S.A.\", \"title\": \"Naprawa przenośnika transportu pionowego A0ETA40 w TAURON Wytwarzanie Spółka Akcyjna - Oddział Elektrownia Nowe Jaworzno w Jaworznie\", \"source\": \"tauron_swoz_erfx\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"13127613\", \"deadline_at\": \"2026-11-05T10:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T09:22:00Z\"}",
            "content_hash": "13401dbd7cf847f681147b77da68188fd8b9f0b6c9c57718a322e06db19d27be",
            "prev_hash": "2b0c29f349167890f8c93ff20e8a6c258b4d26810f2471efdf658d95914d0c51",
            "hash": "4307edde1a00330840364f2ad3ec19a31f4276a4f79db94b89f92ad1e3e6074d",
            "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": "2026-10-29T21:37:04Z",
            "content": "{\"cpv\": \"50500000\", \"url\": \"https://swoz.tauron.pl/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=13127613\", \"buyer\": \"TAURON Polska Energia S.A.\", \"title\": \"Naprawa przenośnika transportu pionowego A0ETA40 w TAURON Wytwarzanie Spółka Akcyjna - Oddział Elektrownia Nowe Jaworzno w Jaworznie\", \"source\": \"tauron_swoz_erfx\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"13127613\", \"deadline_at\": \"2026-11-05T10:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T09:22:00Z\"}",
            "content_hash": "6775cadcbb7827a0b69814efc91bca509ca495754dda258666c1ca79996e15b7",
            "prev_hash": "4307edde1a00330840364f2ad3ec19a31f4276a4f79db94b89f92ad1e3e6074d",
            "hash": "c09c1e222b11e576728a91e2de45e1f5c9dba0a6b5cb2975fd64fdf3652025e2",
            "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": "2026-10-30T01:53:20Z",
            "content": "{\"cpv\": \"50531400\", \"url\": \"https://swoz.tauron.pl/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=13127613\", \"buyer\": \"TAURON Polska Energia S.A.\", \"title\": \"Naprawa przenośnika transportu pionowego A0ETA40 w TAURON Wytwarzanie Spółka Akcyjna - Oddział Elektrownia Nowe Jaworzno w Jaworznie\", \"source\": \"tauron_swoz_erfx\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"13127613\", \"deadline_at\": \"2026-11-05T10:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T09:22:00Z\"}",
            "content_hash": "13401dbd7cf847f681147b77da68188fd8b9f0b6c9c57718a322e06db19d27be",
            "prev_hash": "c09c1e222b11e576728a91e2de45e1f5c9dba0a6b5cb2975fd64fdf3652025e2",
            "hash": "d73dce1fc730909e6faf49b35d180bcde11f9b0380bfa9b353987d8de54fb226",
            "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": 5,
            "recorded_at": "2026-10-30T06:31:27Z",
            "content": "{\"cpv\": \"50500000\", \"url\": \"https://swoz.tauron.pl/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=13127613\", \"buyer\": \"TAURON Polska Energia S.A.\", \"title\": \"Naprawa przenośnika transportu pionowego A0ETA40 w TAURON Wytwarzanie Spółka Akcyjna - Oddział Elektrownia Nowe Jaworzno w Jaworznie\", \"source\": \"tauron_swoz_erfx\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"13127613\", \"deadline_at\": \"2026-11-05T10:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T09:22:00Z\"}",
            "content_hash": "6775cadcbb7827a0b69814efc91bca509ca495754dda258666c1ca79996e15b7",
            "prev_hash": "d73dce1fc730909e6faf49b35d180bcde11f9b0380bfa9b353987d8de54fb226",
            "hash": "40fdd7c8d31fe095216875e54a40b5eb45687a597bd125e101c10ecbf8c79fec",
            "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": 6,
            "recorded_at": "2026-10-31T12:17:44Z",
            "content": "{\"cpv\": \"50531400\", \"url\": \"https://swoz.tauron.pl/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=13127613\", \"buyer\": \"TAURON Polska Energia S.A.\", \"title\": \"Naprawa przenośnika transportu pionowego A0ETA40 w TAURON Wytwarzanie Spółka Akcyjna - Oddział Elektrownia Nowe Jaworzno w Jaworznie\", \"source\": \"tauron_swoz_erfx\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"13127613\", \"deadline_at\": \"2026-11-05T10:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T09:22:00Z\"}",
            "content_hash": "13401dbd7cf847f681147b77da68188fd8b9f0b6c9c57718a322e06db19d27be",
            "prev_hash": "40fdd7c8d31fe095216875e54a40b5eb45687a597bd125e101c10ecbf8c79fec",
            "hash": "e9851697fc1a0d1e094a8096a9686e465c7dd655d87727f015e4765dde89a59e",
            "actor": null,
            "seal": null
        },
        {
            "version": 7,
            "recorded_at": "2026-10-31T12:45:32Z",
            "content": "{\"cpv\": \"50531400\", \"url\": \"https://swoz.tauron.pl/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=13127613\", \"buyer\": \"TAURON Polska Energia S.A.\", \"title\": \"Naprawa przenośnika transportu pionowego A0ETA40 w TAURON Wytwarzanie Spółka Akcyjna - Oddział Elektrownia Nowe Jaworzno w Jaworznie\", \"source\": \"tauron_swoz_erfx\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"13127613\", \"deadline_at\": \"2026-11-05T10:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T09:22:00Z\", \"procedure_url\": \"https://swoz.tauron.pl/platform/demand/notice/public/13070917/details\"}",
            "content_hash": "cd066a2d41f920252d753b27b0a2c84c4277c90712794d205c6733779597f621",
            "prev_hash": "e9851697fc1a0d1e094a8096a9686e465c7dd655d87727f015e4765dde89a59e",
            "hash": "7550583900e473af33779e1bc2f7d9822df93b3f2e607e9bd994e0a6318dc369",
            "actor": null,
            "seal": null
        }
    ]
}