{
    "tender_id": 3596184,
    "check": {
        "ok": true,
        "versions": 13,
        "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": "2026-10-27T13:06:08Z",
            "content": "{\"cpv\": \"33121100\", \"url\": \"https://spzozkoscian.ezamawiajacy.pl/pn/spzozkoscian/demand/notice/public/240435/details\", \"buyer\": \"Samodzielny Publiczny Zespół Opieki Zdrowotnej w Kościanie\", \"title\": \"Dostawa aparatu do badań elektroencefalografii EEG 32 kanałowego jednostanowiskowego z video\", \"region\": \"wielkopolskie\", \"source\": \"spzozkoscian_ezamawiajacy\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"240435\", \"deadline_at\": \"2026-11-06T09:00:00Z\", \"notice_type\": \"Postępowanie wyłączone z PZP\", \"published_at\": \"2026-10-27T08:42:00Z\"}",
            "content_hash": "94e4c2d75e8eea7b5fa6f638c3f5525059202b3280aa5a68a9b44dfc14b263fe",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "6071b217dc9636ef6d00d3c27ce5ff8f6e6222b019eab4590ae9b3b84f14d1b6",
            "actor": null,
            "seal": {
                "id": 4,
                "digest": "1a6d1144791ca08d9453bd1c8d38a6c251eb74cb6d377626fde25c11a52ccc7a",
                "file": "https://tenderiq.pl/rejestr/pieczec-4.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-4.txt.ots",
                "bitcoin_block": 973472
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-27T15:32:20Z",
            "content": "{\"cpv\": \"33121100\", \"url\": \"https://spzozkoscian.ezamawiajacy.pl/pn/spzozkoscian/demand/notice/public/240435/details\", \"buyer\": \"Samodzielny Publiczny Zespół Opieki Zdrowotnej w Kościanie\", \"title\": \"Dostawa aparatu do badań elektroencefalografii EEG 32 kanałowego jednostanowiskowego z video\", \"region\": \"wielkopolskie\", \"source\": \"spzozkoscian_ezamawiajacy\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"240435\", \"deadline_at\": \"2026-11-06T09:00:00Z\", \"notice_type\": \"Postępowanie wyłączone z PZP\", \"published_at\": \"2026-10-27T08:42:00Z\", \"procedure_url\": \"https://spzozkoscian.ezamawiajacy.pl/pn/spzozkoscian/demand/notice/public/240435/details\"}",
            "content_hash": "d9198a500cac6e8584b6e637d66c1756f9452a08d9abdb8a358979a4db726890",
            "prev_hash": "6071b217dc9636ef6d00d3c27ce5ff8f6e6222b019eab4590ae9b3b84f14d1b6",
            "hash": "6484079a6968f849e6801327125b42aa8392425442d4bf15d055a2b46d51c562",
            "actor": null,
            "seal": {
                "id": 4,
                "digest": "1a6d1144791ca08d9453bd1c8d38a6c251eb74cb6d377626fde25c11a52ccc7a",
                "file": "https://tenderiq.pl/rejestr/pieczec-4.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-4.txt.ots",
                "bitcoin_block": 973472
            }
        },
        {
            "version": 3,
            "recorded_at": "2026-10-27T19:35:47Z",
            "content": "{\"cpv\": \"33121100\", \"url\": \"https://spzozkoscian.ezamawiajacy.pl/pn/spzozkoscian/demand/notice/public/240435/details\", \"buyer\": \"Samodzielny Publiczny Zespół Opieki Zdrowotnej w Kościanie\", \"title\": \"Dostawa aparatu do badań elektroencefalografii EEG 32 kanałowego jednostanowiskowego z video\", \"region\": \"wielkopolskie\", \"source\": \"spzozkoscian_ezamawiajacy\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"240435\", \"deadline_at\": \"2026-11-06T09:00:00Z\", \"notice_type\": \"Postępowanie wyłączone z PZP\", \"published_at\": \"2026-10-27T08:42:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3855475/dostawa-aparatu-do-badan-elektroencefalografii-eeg-32-kanalowego-jednostanowiskowego-z-video\"}",
            "content_hash": "9d09ff31be260d1c21d9e68ed92fb93f9042f803f98da3b5422000b94ef66c9c",
            "prev_hash": "6484079a6968f849e6801327125b42aa8392425442d4bf15d055a2b46d51c562",
            "hash": "3c3239363c296875c36a2d9ef313a1b6b2b773c899785823fdb06a8251cb868f",
            "actor": null,
            "seal": {
                "id": 4,
                "digest": "1a6d1144791ca08d9453bd1c8d38a6c251eb74cb6d377626fde25c11a52ccc7a",
                "file": "https://tenderiq.pl/rejestr/pieczec-4.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-4.txt.ots",
                "bitcoin_block": 973472
            }
        },
        {
            "version": 4,
            "recorded_at": "2026-10-28T22:46:00Z",
            "content": "{\"cpv\": \"33121100\", \"url\": \"https://spzozkoscian.ezamawiajacy.pl/pn/spzozkoscian/demand/notice/public/240435/details\", \"buyer\": \"Samodzielny Publiczny Zespół Opieki Zdrowotnej w Kościanie\", \"title\": \"Dostawa aparatu do badań elektroencefalografii EEG 32 kanałowego jednostanowiskowego z video\", \"region\": \"wielkopolskie\", \"source\": \"spzozkoscian_ezamawiajacy\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"240435\", \"deadline_at\": \"2026-11-06T09:00:00Z\", \"notice_type\": \"Postępowanie wyłączone z PZP\", \"published_at\": \"2026-10-27T08:42:00Z\", \"procedure_url\": \"https://spzozkoscian.ezamawiajacy.pl/pn/spzozkoscian/demand/notice/public/240435/details\"}",
            "content_hash": "d9198a500cac6e8584b6e637d66c1756f9452a08d9abdb8a358979a4db726890",
            "prev_hash": "3c3239363c296875c36a2d9ef313a1b6b2b773c899785823fdb06a8251cb868f",
            "hash": "0f367af5144df467e984bb75b5ff685ee03d128e480c2801dc4fe8965f45f568",
            "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": "2026-10-29T05:45:54Z",
            "content": "{\"cpv\": \"33121100\", \"url\": \"https://spzozkoscian.ezamawiajacy.pl/pn/spzozkoscian/demand/notice/public/240435/details\", \"buyer\": \"Samodzielny Publiczny Zespół Opieki Zdrowotnej w Kościanie\", \"title\": \"Dostawa aparatu do badań elektroencefalografii EEG 32 kanałowego jednostanowiskowego z video\", \"region\": \"wielkopolskie\", \"source\": \"spzozkoscian_ezamawiajacy\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"240435\", \"deadline_at\": \"2026-11-06T09:00:00Z\", \"notice_type\": \"Postępowanie wyłączone z PZP\", \"published_at\": \"2026-10-27T08:42:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3855475/dostawa-aparatu-do-badan-elektroencefalografii-eeg-32-kanalowego-jednostanowiskowego-z-video\"}",
            "content_hash": "9d09ff31be260d1c21d9e68ed92fb93f9042f803f98da3b5422000b94ef66c9c",
            "prev_hash": "0f367af5144df467e984bb75b5ff685ee03d128e480c2801dc4fe8965f45f568",
            "hash": "58e5b6e53820ce31d222d77878b98b2f801e77ac53bf8560289d4ddd52b0abca",
            "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": "2026-10-31T04:45:47Z",
            "content": "{\"cpv\": \"33121100\", \"url\": \"https://spzozkoscian.ezamawiajacy.pl/pn/spzozkoscian/demand/notice/public/240435/details\", \"buyer\": \"Samodzielny Publiczny Zespół Opieki Zdrowotnej w Kościanie\", \"title\": \"Dostawa aparatu do badań elektroencefalografii EEG 32 kanałowego jednostanowiskowego z video\", \"region\": \"wielkopolskie\", \"source\": \"spzozkoscian_ezamawiajacy\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"240435\", \"deadline_at\": \"2026-11-06T09:00:00Z\", \"notice_type\": \"Postępowanie wyłączone z PZP\", \"published_at\": \"2026-10-27T08:42:00Z\", \"procedure_url\": \"https://spzozkoscian.ezamawiajacy.pl/pn/spzozkoscian/demand/notice/public/240435/details\"}",
            "content_hash": "d9198a500cac6e8584b6e637d66c1756f9452a08d9abdb8a358979a4db726890",
            "prev_hash": "58e5b6e53820ce31d222d77878b98b2f801e77ac53bf8560289d4ddd52b0abca",
            "hash": "01e84612166b2df1245bd5b9b23c8bfa950ebe1bbe0c3ed418d7d480e93f4b4e",
            "actor": null,
            "seal": {
                "id": 8,
                "digest": "b9dfb65eef062a8f7633cee107df2b59fcca72ec5f093c9ceec0396cf65cd90d",
                "file": "https://tenderiq.pl/rejestr/pieczec-8.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-8.txt.ots",
                "bitcoin_block": 974039
            }
        },
        {
            "version": 7,
            "recorded_at": "2026-10-31T10:45:58Z",
            "content": "{\"cpv\": \"33121100\", \"url\": \"https://spzozkoscian.ezamawiajacy.pl/pn/spzozkoscian/demand/notice/public/240435/details\", \"buyer\": \"Samodzielny Publiczny Zespół Opieki Zdrowotnej w Kościanie\", \"title\": \"Dostawa aparatu do badań elektroencefalografii EEG 32 kanałowego jednostanowiskowego z video\", \"region\": \"wielkopolskie\", \"source\": \"spzozkoscian_ezamawiajacy\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"240435\", \"deadline_at\": \"2026-11-06T09:00:00Z\", \"notice_type\": \"Postępowanie wyłączone z PZP\", \"published_at\": \"2026-10-27T08:42:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3855475/dostawa-aparatu-do-badan-elektroencefalografii-eeg-32-kanalowego-jednostanowiskowego-z-video\"}",
            "content_hash": "9d09ff31be260d1c21d9e68ed92fb93f9042f803f98da3b5422000b94ef66c9c",
            "prev_hash": "01e84612166b2df1245bd5b9b23c8bfa950ebe1bbe0c3ed418d7d480e93f4b4e",
            "hash": "7091d7e8c6d8ab89f3c4eeee3654bccb9bc44f8ff790e5f00f57995879b81df2",
            "actor": null,
            "seal": {
                "id": 8,
                "digest": "b9dfb65eef062a8f7633cee107df2b59fcca72ec5f093c9ceec0396cf65cd90d",
                "file": "https://tenderiq.pl/rejestr/pieczec-8.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-8.txt.ots",
                "bitcoin_block": 974039
            }
        },
        {
            "version": 8,
            "recorded_at": "2026-10-31T17:45:37Z",
            "content": "{\"cpv\": \"33121100\", \"url\": \"https://spzozkoscian.ezamawiajacy.pl/pn/spzozkoscian/demand/notice/public/240435/details\", \"buyer\": \"Samodzielny Publiczny Zespół Opieki Zdrowotnej w Kościanie\", \"title\": \"Dostawa aparatu do badań elektroencefalografii EEG 32 kanałowego jednostanowiskowego z video\", \"region\": \"wielkopolskie\", \"source\": \"spzozkoscian_ezamawiajacy\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"240435\", \"deadline_at\": \"2026-11-06T09:00:00Z\", \"notice_type\": \"Postępowanie wyłączone z PZP\", \"published_at\": \"2026-10-27T08:42:00Z\", \"procedure_url\": \"https://spzozkoscian.ezamawiajacy.pl/pn/spzozkoscian/demand/notice/public/240435/details\"}",
            "content_hash": "d9198a500cac6e8584b6e637d66c1756f9452a08d9abdb8a358979a4db726890",
            "prev_hash": "7091d7e8c6d8ab89f3c4eeee3654bccb9bc44f8ff790e5f00f57995879b81df2",
            "hash": "b57980105489063674a7ac5a1b1032f59e92b82c04d87acb009697914c4764d2",
            "actor": null,
            "seal": {
                "id": 8,
                "digest": "b9dfb65eef062a8f7633cee107df2b59fcca72ec5f093c9ceec0396cf65cd90d",
                "file": "https://tenderiq.pl/rejestr/pieczec-8.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-8.txt.ots",
                "bitcoin_block": 974039
            }
        },
        {
            "version": 9,
            "recorded_at": "2026-11-01T00:45:49Z",
            "content": "{\"cpv\": \"33121100\", \"url\": \"https://spzozkoscian.ezamawiajacy.pl/pn/spzozkoscian/demand/notice/public/240435/details\", \"buyer\": \"Samodzielny Publiczny Zespół Opieki Zdrowotnej w Kościanie\", \"title\": \"Dostawa aparatu do badań elektroencefalografii EEG 32 kanałowego jednostanowiskowego z video\", \"region\": \"wielkopolskie\", \"source\": \"spzozkoscian_ezamawiajacy\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"240435\", \"deadline_at\": \"2026-11-06T09:00:00Z\", \"notice_type\": \"Postępowanie wyłączone z PZP\", \"published_at\": \"2026-10-27T08:42:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3855475/dostawa-aparatu-do-badan-elektroencefalografii-eeg-32-kanalowego-jednostanowiskowego-z-video\"}",
            "content_hash": "9d09ff31be260d1c21d9e68ed92fb93f9042f803f98da3b5422000b94ef66c9c",
            "prev_hash": "b57980105489063674a7ac5a1b1032f59e92b82c04d87acb009697914c4764d2",
            "hash": "669a7ef3237f0badb1eea8aabd3a0f53e4e45894057a2cf5ec34652ac561ec34",
            "actor": null,
            "seal": {
                "id": 9,
                "digest": "2dfeb1f26d6191d887699bed5d05f226d8baa25e2f81adcf1d5d9f3ce86c75c5",
                "file": "https://tenderiq.pl/rejestr/pieczec-9.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-9.txt.ots",
                "bitcoin_block": 974194
            }
        },
        {
            "version": 10,
            "recorded_at": "2026-11-01T06:45:47Z",
            "content": "{\"cpv\": \"33121100\", \"url\": \"https://spzozkoscian.ezamawiajacy.pl/pn/spzozkoscian/demand/notice/public/240435/details\", \"buyer\": \"Samodzielny Publiczny Zespół Opieki Zdrowotnej w Kościanie\", \"title\": \"Dostawa aparatu do badań elektroencefalografii EEG 32 kanałowego jednostanowiskowego z video\", \"region\": \"wielkopolskie\", \"source\": \"spzozkoscian_ezamawiajacy\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"240435\", \"deadline_at\": \"2026-11-06T09:00:00Z\", \"notice_type\": \"Postępowanie wyłączone z PZP\", \"published_at\": \"2026-10-27T08:42:00Z\", \"procedure_url\": \"https://spzozkoscian.ezamawiajacy.pl/pn/spzozkoscian/demand/notice/public/240435/details\"}",
            "content_hash": "d9198a500cac6e8584b6e637d66c1756f9452a08d9abdb8a358979a4db726890",
            "prev_hash": "669a7ef3237f0badb1eea8aabd3a0f53e4e45894057a2cf5ec34652ac561ec34",
            "hash": "8a155ac528d4821b7bd12073a516d737e918e0f52cffe15b7353edc7436a2835",
            "actor": null,
            "seal": {
                "id": 9,
                "digest": "2dfeb1f26d6191d887699bed5d05f226d8baa25e2f81adcf1d5d9f3ce86c75c5",
                "file": "https://tenderiq.pl/rejestr/pieczec-9.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-9.txt.ots",
                "bitcoin_block": 974194
            }
        },
        {
            "version": 11,
            "recorded_at": "2026-11-02T01:45:23Z",
            "content": "{\"cpv\": \"33121100\", \"url\": \"https://spzozkoscian.ezamawiajacy.pl/pn/spzozkoscian/demand/notice/public/240435/details\", \"buyer\": \"Samodzielny Publiczny Zespół Opieki Zdrowotnej w Kościanie\", \"title\": \"Dostawa aparatu do badań elektroencefalografii EEG 32 kanałowego jednostanowiskowego z video\", \"region\": \"wielkopolskie\", \"source\": \"spzozkoscian_ezamawiajacy\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"240435\", \"deadline_at\": \"2026-11-06T09:00:00Z\", \"notice_type\": \"Postępowanie wyłączone z PZP\", \"published_at\": \"2026-10-27T08:42:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3855475/dostawa-aparatu-do-badan-elektroencefalografii-eeg-32-kanalowego-jednostanowiskowego-z-video\"}",
            "content_hash": "9d09ff31be260d1c21d9e68ed92fb93f9042f803f98da3b5422000b94ef66c9c",
            "prev_hash": "8a155ac528d4821b7bd12073a516d737e918e0f52cffe15b7353edc7436a2835",
            "hash": "eaab5567b9e1d23061d39729a925e9d17d3fd963b945c297bcab0a533cbf800b",
            "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": 12,
            "recorded_at": "2026-11-02T07:36:09Z",
            "content": "{\"cpv\": \"33121100\", \"url\": \"https://spzozkoscian.ezamawiajacy.pl/pn/spzozkoscian/demand/notice/public/240435/details\", \"buyer\": \"Samodzielny Publiczny Zespół Opieki Zdrowotnej w Kościanie\", \"title\": \"Dostawa aparatu do badań elektroencefalografii EEG 32 kanałowego jednostanowiskowego z video\", \"region\": \"wielkopolskie\", \"source\": \"spzozkoscian_ezamawiajacy\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"240435\", \"deadline_at\": \"2026-11-06T09:00:00Z\", \"notice_type\": \"Postępowanie wyłączone z PZP\", \"published_at\": \"2026-10-27T08:42:00Z\", \"procedure_url\": \"https://spzozkoscian.ezamawiajacy.pl/pn/spzozkoscian/demand/notice/public/240435/details\"}",
            "content_hash": "d9198a500cac6e8584b6e637d66c1756f9452a08d9abdb8a358979a4db726890",
            "prev_hash": "eaab5567b9e1d23061d39729a925e9d17d3fd963b945c297bcab0a533cbf800b",
            "hash": "9f23423e3df6825226830bb0cae1662438ece510170a66b222fe4723e3a38c6f",
            "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": 13,
            "recorded_at": "2026-11-02T13:45:48Z",
            "content": "{\"cpv\": \"33121100\", \"url\": \"https://spzozkoscian.ezamawiajacy.pl/pn/spzozkoscian/demand/notice/public/240435/details\", \"buyer\": \"Samodzielny Publiczny Zespół Opieki Zdrowotnej w Kościanie\", \"title\": \"Dostawa aparatu do badań elektroencefalografii EEG 32 kanałowego jednostanowiskowego z video\", \"region\": \"wielkopolskie\", \"source\": \"spzozkoscian_ezamawiajacy\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"240435\", \"deadline_at\": \"2026-11-06T09:00:00Z\", \"notice_type\": \"Postępowanie wyłączone z PZP\", \"published_at\": \"2026-10-27T08:42:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3855475/dostawa-aparatu-do-badan-elektroencefalografii-eeg-32-kanalowego-jednostanowiskowego-z-video\"}",
            "content_hash": "9d09ff31be260d1c21d9e68ed92fb93f9042f803f98da3b5422000b94ef66c9c",
            "prev_hash": "9f23423e3df6825226830bb0cae1662438ece510170a66b222fe4723e3a38c6f",
            "hash": "200f78906de179c9fa9cac034d8edd4f0cdc97b6461285f606411413111bde5a",
            "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
            }
        }
    ]
}