{
  "schema_version": "1.0",
  "generated": "2026-08-15",
  "license": "CC-BY-4.0",
  "purpose": "Source register for every factual claim on verzhykovskyi.com. Each fact, metric and quote on this site references one or more source IDs from this file.",
  "sources": [
    {
      "id": "SRC_MMR_FEATURE",
      "title": "Секрети диджитал-успіху: як просувати люксові бренди за допомогою SEO та PPC",
      "publisher": "MMR.ua (Ukrainian marketing and communications trade outlet, registered online media R40-06226)",
      "type": "press_interview",
      "url": "https://mmr.ua/show/sekrety-dydzhytal-uspihu-yak-prosuvaty-lyuksovi-brendy-za-dopomogoyu-seo-ta-ppc",
      "language": "uk",
      "date": "2025-01-20",
      "reliability_tier": "C",
      "reliability": "independent_trade_press",
      "notes": "Feature interview by the editor-in-chief. No advertising label. Trade outlet, not mass media."
    },
    {
      "id": "SRC_BUSINESS_NAVIGATOR",
      "title": "Integration of Virtual and Augmented Reality into Digital Marketing of the Luxury Segment (Інтеграція віртуальної та доповненої реальності в digital-маркетинг luxury-сегмента)",
      "publisher": "Business Navigator (Бізнес-навігатор), Issue 1 (78), Ukraine",
      "type": "peer_reviewed",
      "url": "https://doi.org/10.32782/business-navigator.78-20",
      "language": "uk",
      "date": "2025-02",
      "reliability_tier": "B",
      "reliability": "indexed_journal",
      "notes": "Sole-author article. DOI resolves. Journal listed in the ICI Journals Master List 2024 (ICV 64.30), double-blind review. ORCID 0009-0003-2632-7757 printed on the byline."
    },
    {
      "id": "SRC_PBRI",
      "title": "The Impact of Instagram on the Development of Small and Medium-Sized Businesses in Ukraine",
      "publisher": "Pacific Business Review International, Vol 17, Issue 8 (ISSN 0974-438X)",
      "type": "peer_reviewed",
      "url": "https://www.pbr.co.in/",
      "language": "en",
      "date": "2025-02",
      "reliability_tier": "B",
      "reliability": "indexed_journal",
      "notes": "Co-authored with four PhD economists from four Ukrainian universities. The journal is indexed in Web of Science Emerging Sources Citation Index. Exact article URL: see journal issue archive."
    },
    {
      "id": "SRC_MARKETING_IN_UKRAINE",
      "title": "Content-Driven SEO Strategy for Luxury Brands: Finding the Balance Between Uniqueness and Search Optimization",
      "publisher": "Marketing in Ukraine (Маркетинг в Україні), Ukrainian Marketing Association, No. 1-2 (135)",
      "type": "professional_journal",
      "url": "https://uam.in.ua/",
      "language": "uk",
      "date": "2025",
      "reliability_tier": "B",
      "reliability": "professional_journal",
      "notes": "Sole-author article. ISSN 1606-3732, journal published since 1998, listed by the Vernadsky National Library of Ukraine. Exact article URL: see issue archive."
    },
    {
      "id": "SRC_HABR_2014",
      "title": "What breadcrumbs do e-commerce sites need (68% of sites get them wrong)",
      "publisher": "Habr.com",
      "type": "publication",
      "url": "https://habr.com/ru/articles/211767/",
      "language": "ru",
      "date": "2014-02-07",
      "reliability_tier": "E",
      "reliability": "self_published_platform",
      "notes": "Author-published research article on breadcrumb navigation in e-commerce, username verydima."
    },
    {
      "id": "SRC_ECDMA_WINNERS",
      "title": "ECDMA Global Awards 2025 winners page",
      "publisher": "E-Commerce & Digital Marketing Association (awards.ecdma.org)",
      "type": "award_listing",
      "url": "https://awards.ecdma.org/winners-2025/",
      "language": "en",
      "date": "2025-05",
      "reliability_tier": "D",
      "reliability": "issuer_published",
      "notes": "Public winners page listing Dmytro Verzhykovskyi under Gold (Best SEO Professional) and Silver (Digital Marketing Professional of the Year). ECDMA was founded in 2023."
    },
    {
      "id": "SRC_ECDMA_JUDGES",
      "title": "ECDMA Global Awards: Meet the Judges roster",
      "publisher": "E-Commerce & Digital Marketing Association (awards.ecdma.org)",
      "type": "award_listing",
      "url": "https://awards.ecdma.org/judges/",
      "language": "en",
      "date": "2025",
      "reliability_tier": "D",
      "reliability": "issuer_published",
      "notes": "Public jury roster listing Dmytro Verzhykovskyi with a self-authored bio."
    },
    {
      "id": "SRC_ORPETRON_JUDGES",
      "title": "Orpetron Web Design Awards judges roster and judge profile",
      "publisher": "Orpetron Web Design Awards",
      "type": "award_listing",
      "url": "https://orpetron.com/judges/",
      "language": "en",
      "date": "2025",
      "reliability_tier": "D",
      "reliability": "issuer_published",
      "notes": "Public roster entry (Head of Digital Marketing at Antonovich Design). Judge profile at orpetron.com/user/verzhykovskyi/. The site homepage listed him in its Most Active Judges block in October 2025."
    },
    {
      "id": "SRC_CA_SOS_PINNACLI",
      "title": "California Secretary of State business registry: Pinnacli LLC",
      "publisher": "California Secretary of State",
      "type": "registry",
      "url": "https://bizfileonline.sos.ca.gov/search/business",
      "language": "en",
      "date": "2025-03-17",
      "reliability_tier": "A",
      "reliability": "official_registry",
      "notes": "Pinnacli LLC, active, registered March 17, 2025. Search the registry for Pinnacli LLC."
    },
    {
      "id": "SRC_ORCID",
      "title": "ORCID record 0009-0003-2632-7757",
      "publisher": "ORCID",
      "type": "registry",
      "url": "https://orcid.org/0009-0003-2632-7757",
      "language": "en",
      "date": "2025",
      "reliability_tier": "A",
      "reliability": "official_registry",
      "notes": "Researcher identifier printed on the Business Navigator article byline."
    },
    {
      "id": "SRC_PINNACLI_SITE",
      "title": "pinnacli.com",
      "publisher": "Pinnacli LLC (own company site)",
      "type": "official_site",
      "url": "https://pinnacli.com",
      "language": "en",
      "date": "2025",
      "reliability_tier": "E",
      "reliability": "self_published",
      "notes": "Own company site. Describes Dmytro Verzhykovskyi as a digital marketing strategist, Irvine, California contact."
    },
    {
      "id": "SRC_SEOEOC_SITE",
      "title": "seoexpertorangecounty.com",
      "publisher": "Own site",
      "type": "official_site",
      "url": "https://seoexpertorangecounty.com",
      "language": "en",
      "date": "2025",
      "reliability_tier": "E",
      "reliability": "self_published",
      "notes": "Own local SEO practice site. States: Doing Search Engine Optimization Since 2012."
    },
    {
      "id": "SRC_SEXTARIS",
      "title": "sextaris.com",
      "publisher": "Sextaris (own product)",
      "type": "official_site",
      "url": "https://www.sextaris.com",
      "language": "en",
      "date": "2025",
      "reliability_tier": "E",
      "reliability": "self_published",
      "notes": "Keyword and search-demand intelligence SaaS he builds and operates. No public user or revenue figures exist."
    },
    {
      "id": "SRC_LINKEDIN",
      "title": "LinkedIn profile",
      "publisher": "LinkedIn",
      "type": "profile",
      "url": "https://linkedin.com/in/verzhykovskyi",
      "language": "en",
      "date": "2026",
      "reliability_tier": "E",
      "reliability": "self_maintained_profile",
      "notes": "Self-maintained professional profile."
    },
    {
      "id": "SRC_HABR_PROFILE",
      "title": "Habr author profile: verydima",
      "publisher": "Habr.com",
      "type": "profile",
      "url": "https://habr.com/ru/users/verydima/",
      "language": "ru",
      "date": "2014",
      "reliability_tier": "E",
      "reliability": "self_maintained_profile",
      "notes": "Confirms authorship of the 2014 article."
    },
    {
      "id": "SRC_NURKZ",
      "title": "Как изменить подход к digital-маркетингу люкс-брендов для увеличения продаж, рассказал эксперт",
      "publisher": "NUR.KZ",
      "type": "press_paid_placement",
      "url": "https://www.nur.kz/technologies/business/2227593-kak-izmenit-podhod-k-digital-marketingu-lyuks-brendov-dlya-uvelicheniya-prodazh-rasskazal-ekspert/",
      "language": "ru",
      "date": "2025-03-18",
      "reliability_tier": "E",
      "reliability": "paid_placement",
      "notes": "The page markup identifies it as advertiser content (paid placement). Listed for completeness, not used as independent press."
    },
    {
      "id": "SRC_FOCUS_UA",
      "title": "Dmytro Verzhykovsky: Standard mass market solutions do not work in the premium segment (interview by Daria Berezhna)",
      "publisher": "Focus.ua",
      "type": "press_paid_placement",
      "url": "https://focus.ua/",
      "language": "uk",
      "date": "2025-07-17",
      "reliability_tier": "E",
      "reliability": "paid_placement",
      "notes": "Carries the outlet's commercial content label (ПОЗИЦІЯ). Listed for completeness, not used as independent press. Exact article URL: see outlet archive."
    },
    {
      "id": "SRC_UMA_MEMBERSHIP",
      "title": "Ukrainian Marketing Association membership certificate No. 872",
      "publisher": "Ukrainian Marketing Association (uam.in.ua)",
      "type": "issuer_document",
      "url": "https://uam.in.ua/",
      "language": "uk",
      "date": "2025-01-03",
      "reliability_tier": "D",
      "reliability": "issuer_document",
      "notes": "Membership certificate issued January 3, 2025. UMA publishes the Marketing in Ukraine journal."
    },
    {
      "id": "SRC_ECDMA_SENIOR",
      "title": "ECDMA Senior Membership certificate and council decision",
      "publisher": "E-Commerce & Digital Marketing Association",
      "type": "issuer_document",
      "url": "https://ecdma.org/",
      "language": "en",
      "date": "2024-12-21",
      "reliability_tier": "D",
      "reliability": "issuer_document",
      "notes": "Senior Membership approved by the ECDMA Council on December 21, 2024. Issuer document; no public member directory is cited."
    },
    {
      "id": "SRC_ADFORUM_PHNX",
      "title": "AdForum PHNX Awards 2025 jury participation",
      "publisher": "AdForum",
      "type": "award_jury",
      "url": "https://www.adforum.com/",
      "language": "en",
      "date": "2025-04",
      "reliability_tier": "D",
      "reliability": "issuer_records",
      "notes": "Jury candidacy approved February 10, 2025; voting completed in both rounds in April 2025. Documented through issuer emails and platform records. AdForum describes the PHNX jury as open to professionals with valid experience."
    },
    {
      "id": "SRC_TIAA_JUDGING",
      "title": "The Independent Agency Awards 2026 judging platform record",
      "publisher": "The Independent Agency Awards",
      "type": "award_jury",
      "url": "https://awards.allindependentagencies.org/",
      "language": "en",
      "date": "2026-05",
      "reliability_tier": "D",
      "reliability": "issuer_records",
      "notes": "Round 1 judging, May 8 to 18, 2026, documented through the login-gated judging platform. Public roster listing not yet verified."
    },
    {
      "id": "SRC_RESUME",
      "title": "Professional resume of Dmytro Verzhykovskyi (2026)",
      "publisher": "Self",
      "type": "self_reported",
      "url": "https://verzhykovskyi.com/media-kit.html",
      "language": "en",
      "date": "2026",
      "reliability_tier": "E",
      "reliability": "self_reported",
      "notes": "Self-reported career history, education, skills and client performance metrics. Figures from this source are marked requires_human_review in metrics.json."
    },
    {
      "id": "SRC_SKILLSHOP_WALLET",
      "title": "Google Skillshop certifications of Dmytro Verzhykovskyi (public credential wallet)",
      "publisher": "Google Skillshop, credentials issued through Accredible (credential.net)",
      "type": "issuer_document",
      "url": "https://www.credential.net/profile/dmytroverzhykovskyi235177/wallet",
      "language": "en",
      "date": "2026-08-17",
      "reliability_tier": "D",
      "reliability": "issuer_document",
      "notes": "Public credential wallet published by the issuer. Eight current certifications issued August 16 and 17, 2026, each valid for one year and each with its own public verification page. Eight earlier certifications issued December 21, 2024 expired December 21, 2025."
    },
    {
      "id": "SRC_SEMRUSH_ACADEMY",
      "title": "Semrush Academy certificates of Dmytro Verzhykovskyi (three, 2026)",
      "publisher": "Semrush Academy",
      "type": "issuer_document",
      "url": "https://static.semrush.com/academy/certificates/493e8be647/dmytro-verzhykovskyi_25.pdf",
      "language": "en",
      "date": "2026-08",
      "reliability_tier": "D",
      "reliability": "issuer_document",
      "notes": "Three issuer-hosted certificate PDFs, each valid one year from August 2026: On-Page SEO and AI Search Essentials with Semrush (https://static.semrush.com/academy/certificates/493e8be647/dmytro-verzhykovskyi_25.pdf), International SEO (https://static.semrush.com/academy/certificates/fb169338ea/dmytro-verzhykovskyi_30.pdf), Local SEO Essentials with Semrush (https://static.semrush.com/academy/certificates/ba4b6dc764/dmytro-verzhykovskyi_25.pdf)."
    },
    {
      "id": "SRC_LINKEDIN_MARKETING_ACADEMY",
      "title": "LinkedIn Marketing Academy certifications of Dmytro Verzhykovskyi (two, 2026)",
      "publisher": "LinkedIn Marketing Academy",
      "type": "issuer_document",
      "url": "https://verify.skilljar.com/c/zxx9jqdm7atz",
      "language": "en",
      "date": "2026-08-09",
      "reliability_tier": "D",
      "reliability": "issuer_document",
      "notes": "Two certifications completed August 9, 2026 and valid until August 9, 2028, each with an issuer verification page: Marketing Measurement (https://verify.skilljar.com/c/zxx9jqdm7atz) and Content and Creative Design (https://verify.skilljar.com/c/5rz3zrfkvwgd)."
    },
    {
      "id": "SRC_GOOGLE_PARTNERS_DIRECTORY",
      "title": "Google Partners directory: agency listing 4101003955",
      "publisher": "Google (google.com/partners)",
      "type": "directory_listing",
      "url": "https://www.google.com/partners/agency?id=4101003955",
      "language": "en",
      "date": "2026-08-19",
      "reliability_tier": "D",
      "reliability": "issuer_published",
      "notes": "Listing published by Google, the program operator. The page is JavaScript-rendered; open it in a browser to see the live badge status."
    }
  ]
}