{
    "tender_id": 4194704,
    "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": "2026-10-30T18:12:53Z",
            "content": "{\"cpv\": \"30234100\", \"url\": \"https://mostostalchojnice.logintrade.net/portal,szczegolyZapytaniaOfertowe,db6b5a7bb8f8ec7da0c21238951787bf.html\", \"buyer\": \"Mostostal Chojnice Sp. z o.o.\", \"title\": \"DYSK FIBROWY 125 i 180 ACTIROX, 3M\", \"region\": \"pomorskie\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"POMORSKIE\", \"source_id\": \"mostostalchojnice-db6b5a7bb8f8ec7da0c21238951787bf\", \"deadline_at\": \"2026-11-02T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T06:20:00Z\"}",
            "content_hash": "0bc5b17dc6b2dea5f9d344f1e5421dfdb68db0d441cd6ae53bfc187b5f1ba536",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "9a90816b886878c388bb4364068b6ece69e0c2d572d4d2514629275432d19b0f",
            "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": 2,
            "recorded_at": "2026-10-31T01:48:48Z",
            "content": "{\"cpv\": \"30234100\", \"url\": \"https://mostostalchojnice.logintrade.net/portal,szczegolyZapytaniaOfertowe,db6b5a7bb8f8ec7da0c21238951787bf.html\", \"buyer\": \"Mostostal Chojnice Sp. z o.o\", \"title\": \"DYSK FIBROWY 125 i 180 ACTIROX, 3M\", \"region\": \"pomorskie\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"mostostalchojnice-db6b5a7bb8f8ec7da0c21238951787bf\", \"deadline_at\": \"2026-11-02T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T10:00:00Z\"}",
            "content_hash": "063b5586f4a322a2afc421871ae31bf83a32a4e7590b5c9ffe203239ed89a998",
            "prev_hash": "9a90816b886878c388bb4364068b6ece69e0c2d572d4d2514629275432d19b0f",
            "hash": "a101cd2d4e7e93147296abe5d1e48913a7beb118e0a335dbf68986a4a8cc129d",
            "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": 3,
            "recorded_at": "2026-10-31T10:45:46Z",
            "content": "{\"cpv\": \"30234100\", \"url\": \"https://mostostalchojnice.logintrade.net/portal,szczegolyZapytaniaOfertowe,db6b5a7bb8f8ec7da0c21238951787bf.html\", \"buyer\": \"Mostostal Chojnice Sp. z o.o\", \"title\": \"DYSK FIBROWY 125 i 180 ACTIROX, 3M\", \"region\": \"pomorskie\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"mostostalchojnice-db6b5a7bb8f8ec7da0c21238951787bf\", \"deadline_at\": \"2026-11-02T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T10:00:00Z\", \"procedure_url\": \"https://mostostalchojnice.logintrade.net/portal,szczegolyZapytaniaOfertowe,db6b5a7bb8f8ec7da0c21238951787bf.html\"}",
            "content_hash": "b7ce35e35333fc7a359c47be2acd85d6931c2a72a48ed5204321df86372ffe9a",
            "prev_hash": "a101cd2d4e7e93147296abe5d1e48913a7beb118e0a335dbf68986a4a8cc129d",
            "hash": "fc85a2209bec0200554cf8b9d5a2df08f7d2fcb35ae37d6ced87b983faaf22f6",
            "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
            }
        }
    ]
}