{
    "tender_id": 3430857,
    "check": {
        "ok": true,
        "versions": 6,
        "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": "2026-10-26T19:11:51Z",
            "content": "{\"url\": \"https://bazakonkurencyjnosci.funduszeeuropejskie.gov.pl/ogloszenia/296079\", \"buyer\": \"POROZUMIENIE AUTYZM-POLSKA\", \"title\": \"Ekspert prawny ds. orzecznictwa, praw osób z niepełnosprawnościami\", \"region\": \"mazowieckie\", \"source\": \"baza_konkurencyjnosci\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Warszawa, mazowieckie\", \"source_id\": \"296079\", \"deadline_at\": \"2026-11-03T08:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-26T00:00:00Z\"}",
            "content_hash": "f5b0aba19a0e2c0e963d334468423b489d05f7955964b2e5e79c4889c5b7b290",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "278eb02955b84a2d949dd057ebead5f73b0299d3dde2017bb803f57a606431bf",
            "actor": null,
            "seal": {
                "id": 3,
                "digest": "1119fd2ade60dc88ac794742ff488b9486e8a488f9d77cc6d6a9444474dc1c77",
                "file": "https://tenderiq.pl/rejestr/pieczec-3.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-3.txt.ots",
                "bitcoin_block": 973309
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-27T11:33:40Z",
            "content": "{\"url\": \"https://bazakonkurencyjnosci.funduszeeuropejskie.gov.pl/ogloszenia/296079\", \"buyer\": \"POROZUMIENIE AUTYZM-POLSKA\", \"title\": \"Ekspert prawny ds. orzecznictwa, praw osób z niepełnosprawnościami\", \"region\": \"mazowieckie\", \"source\": \"baza_konkurencyjnosci\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Warszawa, mazowieckie\", \"source_id\": \"296079\", \"deadline_at\": \"2026-11-03T08:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-26T00:00:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3854157/ekspert-prawny-ds-orzecznictwa-praw-osob-z-niepelnosprawnosciami\"}",
            "content_hash": "6773e21513b04b955deffd2d79113a00006f9e16a780e9b2c378f2333da3dd9e",
            "prev_hash": "278eb02955b84a2d949dd057ebead5f73b0299d3dde2017bb803f57a606431bf",
            "hash": "871430214ac128642bddebcdec506ecfd7ecb6f5ff7288c6628443bfe4b6a020",
            "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": "2026-10-28T22:45:35Z",
            "content": "{\"url\": \"https://bazakonkurencyjnosci.funduszeeuropejskie.gov.pl/ogloszenia/296079\", \"buyer\": \"POROZUMIENIE AUTYZM-POLSKA\", \"title\": \"Ekspert prawny ds. orzecznictwa, praw osób z niepełnosprawnościami\", \"region\": \"mazowieckie\", \"source\": \"baza_konkurencyjnosci\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Warszawa, mazowieckie\", \"source_id\": \"296079\", \"deadline_at\": \"2026-11-03T08:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-26T00:00:00Z\", \"procedure_url\": \"https://bazakonkurencyjnosci.funduszeeuropejskie.gov.pl/ogloszenia/296079\"}",
            "content_hash": "b085c90f9662e190dc023e0aa6a0fefaaf37171c7beee2a9e07c5b205ded86bd",
            "prev_hash": "871430214ac128642bddebcdec506ecfd7ecb6f5ff7288c6628443bfe4b6a020",
            "hash": "91cf6314ec0cddd8c365ce02b9fa6e22252b987de96481f6c207a6ee40dec6b7",
            "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": "2026-10-29T05:45:48Z",
            "content": "{\"url\": \"https://bazakonkurencyjnosci.funduszeeuropejskie.gov.pl/ogloszenia/296079\", \"buyer\": \"POROZUMIENIE AUTYZM-POLSKA\", \"title\": \"Ekspert prawny ds. orzecznictwa, praw osób z niepełnosprawnościami\", \"region\": \"mazowieckie\", \"source\": \"baza_konkurencyjnosci\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Warszawa, mazowieckie\", \"source_id\": \"296079\", \"deadline_at\": \"2026-11-03T08:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-26T00:00:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3854157/ekspert-prawny-ds-orzecznictwa-praw-osob-z-niepelnosprawnosciami\"}",
            "content_hash": "6773e21513b04b955deffd2d79113a00006f9e16a780e9b2c378f2333da3dd9e",
            "prev_hash": "91cf6314ec0cddd8c365ce02b9fa6e22252b987de96481f6c207a6ee40dec6b7",
            "hash": "9f44fe82fd183ce9a4881cb54284cd9bb72d232e16e99d47e8dcc4620555acc5",
            "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": "2026-10-31T04:45:30Z",
            "content": "{\"url\": \"https://bazakonkurencyjnosci.funduszeeuropejskie.gov.pl/ogloszenia/296079\", \"buyer\": \"POROZUMIENIE AUTYZM-POLSKA\", \"title\": \"Ekspert prawny ds. orzecznictwa, praw osób z niepełnosprawnościami\", \"region\": \"mazowieckie\", \"source\": \"baza_konkurencyjnosci\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Warszawa, mazowieckie\", \"source_id\": \"296079\", \"deadline_at\": \"2026-11-03T08:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-26T00:00:00Z\", \"procedure_url\": \"https://bazakonkurencyjnosci.funduszeeuropejskie.gov.pl/ogloszenia/296079\"}",
            "content_hash": "b085c90f9662e190dc023e0aa6a0fefaaf37171c7beee2a9e07c5b205ded86bd",
            "prev_hash": "9f44fe82fd183ce9a4881cb54284cd9bb72d232e16e99d47e8dcc4620555acc5",
            "hash": "5f698d220ff73ab8fa4a4bdda8c8a42ec38a91c87a493f5bb9ce00d73a4af12c",
            "actor": null,
            "seal": null
        },
        {
            "version": 6,
            "recorded_at": "2026-10-31T10:45:39Z",
            "content": "{\"url\": \"https://bazakonkurencyjnosci.funduszeeuropejskie.gov.pl/ogloszenia/296079\", \"buyer\": \"POROZUMIENIE AUTYZM-POLSKA\", \"title\": \"Ekspert prawny ds. orzecznictwa, praw osób z niepełnosprawnościami\", \"region\": \"mazowieckie\", \"source\": \"baza_konkurencyjnosci\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Warszawa, mazowieckie\", \"source_id\": \"296079\", \"deadline_at\": \"2026-11-03T08:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-26T00:00:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3854157/ekspert-prawny-ds-orzecznictwa-praw-osob-z-niepelnosprawnosciami\"}",
            "content_hash": "6773e21513b04b955deffd2d79113a00006f9e16a780e9b2c378f2333da3dd9e",
            "prev_hash": "5f698d220ff73ab8fa4a4bdda8c8a42ec38a91c87a493f5bb9ce00d73a4af12c",
            "hash": "44a5b5a644932b9d6ff5bc441c9a9373045dc4658fd8867ddc8bb1c2ede19d1b",
            "actor": null,
            "seal": null
        }
    ]
}