{
  "sources": [
    {
      "id": "S01",
      "title": "Art Blocks public GraphQL index, `projects_metadata` (including the full program, project text, sales notes and credits), `tokens_metadata` for all 195 tokens, and `project_minter_configurations` and `minters_metadata` for the sale. Retrieved 2026-09-20 via",
      "url": "https://artblocks-mainnet.hasura.app/v1/graphql",
      "author": null,
      "publisher": null,
      "publicationDate": null,
      "accessedAt": "2026-09-20",
      "accessOutcome": "submitted",
      "accessMethod": "Supplied manuscript; sources not independently reinspected during import.",
      "archiveUrl": null,
      "evidenceLocators": [
        "Art Blocks public GraphQL index, `projects_metadata` (including the full program, project text, sales notes and credits), `tokens_metadata` for all 195 tokens, and `project_minter_configurations` and `minters_metadata` for the sale. Retrieved 2026-09-20 via https://artblocks-mainnet.hasura.app/v1/graphql. Collection page: https://www.artblocks.io/collection/world-flag-by-john-gerrard"
      ]
    },
    {
      "id": "S03",
      "title": "John Gerrard, \"World Flag\", artist's website.",
      "url": "https://www.johngerrard.net/worldflag.html",
      "author": null,
      "publisher": null,
      "publicationDate": null,
      "accessedAt": "2026-09-20",
      "accessOutcome": "submitted",
      "accessMethod": "Supplied manuscript; sources not independently reinspected during import.",
      "archiveUrl": null,
      "evidenceLocators": [
        "John Gerrard, \"World Flag\", artist's website. https://www.johngerrard.net/worldflag.html"
      ]
    },
    {
      "id": "S05",
      "title": "John Gerrard, \"Western Flag (Spindletop, Texas) 2017\", artist's website, with exhibition history.",
      "url": "https://www.johngerrard.net/western-flag-spindletop-texas-2017.html",
      "author": null,
      "publisher": null,
      "publicationDate": null,
      "accessedAt": "2026-09-20",
      "accessOutcome": "submitted",
      "accessMethod": "Supplied manuscript; sources not independently reinspected during import.",
      "archiveUrl": null,
      "evidenceLocators": [
        "John Gerrard, \"Western Flag (Spindletop, Texas) 2017\", artist's website, with exhibition history. https://www.johngerrard.net/western-flag-spindletop-texas-2017.html"
      ]
    },
    {
      "id": "S09",
      "title": "John Gerrard, \"World Flag (Amazon, Danube, Nile, YangTze) 2017\", artist's website.",
      "url": "https://www.johngerrard.net/world-flag.html",
      "author": null,
      "publisher": null,
      "publicationDate": null,
      "accessedAt": "2026-09-20",
      "accessOutcome": "submitted",
      "accessMethod": "Supplied manuscript; sources not independently reinspected during import.",
      "archiveUrl": null,
      "evidenceLocators": [
        "John Gerrard, \"World Flag (Amazon, Danube, Nile, YangTze) 2017\", artist's website. https://www.johngerrard.net/world-flag.html"
      ]
    },
    {
      "id": "S17",
      "title": "John Gerrard, \"STANDARD\" (formerly Surrender (Flag) 2023), artist's website.",
      "url": "https://www.johngerrard.net/standard.html",
      "author": null,
      "publisher": null,
      "publicationDate": null,
      "accessedAt": "2026-09-20",
      "accessOutcome": "submitted",
      "accessMethod": "Supplied manuscript; sources not independently reinspected during import.",
      "archiveUrl": null,
      "evidenceLocators": [
        "John Gerrard, \"STANDARD\" (formerly Surrender (Flag) 2023), artist's website. https://www.johngerrard.net/standard.html"
      ]
    },
    {
      "id": "S22",
      "title": "John Gerrard, biography and exhibition list.",
      "url": "https://www.johngerrard.net/bio/",
      "author": null,
      "publisher": null,
      "publicationDate": null,
      "accessedAt": "2026-09-20",
      "accessOutcome": "submitted",
      "accessMethod": "Supplied manuscript; sources not independently reinspected during import.",
      "archiveUrl": null,
      "evidenceLocators": [
        "John Gerrard, biography and exhibition list. https://www.johngerrard.net/bio/"
      ]
    },
    {
      "id": "S07",
      "title": "Adam Kleinman, \"Adam Kleinman on John Gerrard's Prescient World Flag Artworks\", Pace Gallery Journal, 23 June 2023.",
      "url": "https://www.pacegallery.com/journal/adam-kleinman-on-john-gerrards-prescient-world-flag-artworks/",
      "author": null,
      "publisher": null,
      "publicationDate": null,
      "accessedAt": "2026-09-20",
      "accessOutcome": "submitted",
      "accessMethod": "Supplied manuscript; sources not independently reinspected during import.",
      "archiveUrl": null,
      "evidenceLocators": [
        "Adam Kleinman, \"Adam Kleinman on John Gerrard's Prescient World Flag Artworks\", Pace Gallery Journal, 23 June 2023. https://www.pacegallery.com/journal/adam-kleinman-on-john-gerrards-prescient-world-flag-artworks/"
      ]
    },
    {
      "id": "S11",
      "title": "Channel names are as returned by YouTube's oEmbed service on 2026-09-20. The videos were identified but not watched for this draft.\n    - \"Making Western Flag | John Gerrard On His Artwork For Earth Day\", Channel 4 Entertainment.",
      "url": "https://www.youtube.com/watch?v=kvSQNr0IIgo",
      "author": null,
      "publisher": null,
      "publicationDate": null,
      "accessedAt": "2026-09-20",
      "accessOutcome": "submitted",
      "accessMethod": "Supplied manuscript; sources not independently reinspected during import.",
      "archiveUrl": null,
      "evidenceLocators": [
        "Channel names are as returned by YouTube's oEmbed service on 2026-09-20. The videos were identified but not watched for this draft.\n    - \"Making Western Flag | John Gerrard On His Artwork For Earth Day\", Channel 4 Entertainment. https://www.youtube.com/watch?v=kvSQNr0IIgo\n    - \"John Gerrard - Western Flag (Spindletop, Texas) 2017 / 2019 Desert X\", urdesign. https://www.youtube.com/watch?v=46XTod1y0xA\n    - \"John Gerrard, 'Western Flag (Spindletop, Texas)', Museo Nacional Thyssen-Bornemisza. Dec. 2-13, 2019\", TBA21 Thyssen-Bornemisza Art Contemporary. https://www.youtube.com/watch?v=DPnlOVQ2pD0"
      ]
    },
    {
      "id": "S02",
      "title": "Sander Lutz, \"John Gerrard's 'World Flag' Art Blocks Drop Points the Finger at Nationalism\", Decrypt, 28 June 2023.",
      "url": "https://decrypt.co/146544/john-gerrards-world-flag-art-blocks-drop-points-the-finger-at-nationalism",
      "author": null,
      "publisher": null,
      "publicationDate": null,
      "accessedAt": "2026-09-20",
      "accessOutcome": "submitted",
      "accessMethod": "Supplied manuscript; sources not independently reinspected during import.",
      "archiveUrl": null,
      "evidenceLocators": [
        "Sander Lutz, \"John Gerrard's 'World Flag' Art Blocks Drop Points the Finger at Nationalism\", Decrypt, 28 June 2023. https://decrypt.co/146544/john-gerrards-world-flag-art-blocks-drop-points-the-finger-at-nationalism"
      ]
    },
    {
      "id": "S06",
      "title": "Richard Whiddington, \"Artist John Gerrard's New NFT Series Confronts the Climate Crisis With Stark Depictions of 'Future Deserts'\", Artnet News, 28 June 2023.",
      "url": "https://news.artnet.com/market/john-gerrard-world-flag-pace-verso-art-blocks-2328687",
      "author": null,
      "publisher": null,
      "publicationDate": null,
      "accessedAt": "2026-09-20",
      "accessOutcome": "submitted",
      "accessMethod": "Supplied manuscript; sources not independently reinspected during import.",
      "archiveUrl": null,
      "evidenceLocators": [
        "Richard Whiddington, \"Artist John Gerrard's New NFT Series Confronts the Climate Crisis With Stark Depictions of 'Future Deserts'\", Artnet News, 28 June 2023. https://news.artnet.com/market/john-gerrard-world-flag-pace-verso-art-blocks-2328687"
      ]
    },
    {
      "id": "S04",
      "title": "Gemma Tipton, \"John Gerrard on sculpting smoke, false flags and how it all comes down to petroleum\", The Irish Times, 22 April 2017.",
      "url": "https://www.irishtimes.com/culture/art-and-design/john-gerrard-on-sculpting-smoke-false-flags-and-how-it-all-comes-down-to-petroleum-1.3051691",
      "author": null,
      "publisher": null,
      "publicationDate": null,
      "accessedAt": "2026-09-20",
      "accessOutcome": "submitted",
      "accessMethod": "Supplied manuscript; sources not independently reinspected during import.",
      "archiveUrl": null,
      "evidenceLocators": [
        "Gemma Tipton, \"John Gerrard on sculpting smoke, false flags and how it all comes down to petroleum\", The Irish Times, 22 April 2017. https://www.irishtimes.com/culture/art-and-design/john-gerrard-on-sculpting-smoke-false-flags-and-how-it-all-comes-down-to-petroleum-1.3051691"
      ]
    },
    {
      "id": "S08",
      "title": "VERSE, \"World Flag by John Gerrard\", series page. Read 2026-09-20.",
      "url": "https://verse.works/series/world-flag-by-john-gerrard",
      "author": null,
      "publisher": null,
      "publicationDate": null,
      "accessedAt": "2026-09-20",
      "accessOutcome": "submitted",
      "accessMethod": "Supplied manuscript; sources not independently reinspected during import.",
      "archiveUrl": null,
      "evidenceLocators": [
        "VERSE, \"World Flag by John Gerrard\", series page. Read 2026-09-20. https://verse.works/series/world-flag-by-john-gerrard"
      ]
    },
    {
      "id": "S10",
      "title": "Somerset House, \"John Gerrard: Western Flag (Spindletop, Texas) 2017\".",
      "url": "https://www.somersethouse.org.uk/whats-on/john-gerrard-western-flag-spindletop-texas-2017",
      "author": null,
      "publisher": null,
      "publicationDate": null,
      "accessedAt": "2026-09-20",
      "accessOutcome": "submitted",
      "accessMethod": "Supplied manuscript; sources not independently reinspected during import.",
      "archiveUrl": null,
      "evidenceLocators": [
        "Somerset House, \"John Gerrard: Western Flag (Spindletop, Texas) 2017\". https://www.somersethouse.org.uk/whats-on/john-gerrard-western-flag-spindletop-texas-2017"
      ]
    },
    {
      "id": "S12",
      "title": "Museo Nacional Thyssen-Bornemisza, \"John Gerrard: Western Flag (Spindletop, Texas) 2017\", 2 to 13 December 2019.",
      "url": "https://www.museothyssen.org/en/exhibitions/john-gerrard-western-flag-2017",
      "author": null,
      "publisher": null,
      "publicationDate": null,
      "accessedAt": "2026-09-20",
      "accessOutcome": "submitted",
      "accessMethod": "Supplied manuscript; sources not independently reinspected during import.",
      "archiveUrl": null,
      "evidenceLocators": [
        "Museo Nacional Thyssen-Bornemisza, \"John Gerrard: Western Flag (Spindletop, Texas) 2017\", 2 to 13 December 2019. https://www.museothyssen.org/en/exhibitions/john-gerrard-western-flag-2017"
      ]
    },
    {
      "id": "S13",
      "title": "Galway International Arts Festival, \"Artist John Gerrard releases iconic environmental artwork Western Flag as the first SuperNeutral NFT\", March 2021.",
      "url": "https://www.giaf.ie/media/post/artist-john-gerrard-releases-iconic-environmental-artwork-western-flag-as-the-first-superneutral-nft",
      "author": null,
      "publisher": null,
      "publicationDate": null,
      "accessedAt": "2026-09-20",
      "accessOutcome": "submitted",
      "accessMethod": "Supplied manuscript; sources not independently reinspected during import.",
      "archiveUrl": null,
      "evidenceLocators": [
        "Galway International Arts Festival, \"Artist John Gerrard releases iconic environmental artwork Western Flag as the first SuperNeutral NFT\", March 2021. https://www.giaf.ie/media/post/artist-john-gerrard-releases-iconic-environmental-artwork-western-flag-as-the-first-superneutral-nft"
      ]
    },
    {
      "id": "S14",
      "title": "LACMA Collections, \"Western Flag (NFT)\", M.2023.148.",
      "url": "https://collections.lacma.org/node/2304398",
      "author": null,
      "publisher": null,
      "publicationDate": null,
      "accessedAt": "2026-09-20",
      "accessOutcome": "submitted",
      "accessMethod": "Supplied manuscript; sources not independently reinspected during import.",
      "archiveUrl": null,
      "evidenceLocators": [
        "LACMA Collections, \"Western Flag (NFT)\", M.2023.148. https://collections.lacma.org/node/2304398"
      ]
    },
    {
      "id": "S15",
      "title": "Centre Pompidou, \"Petro National #16 (Nigeria)\", AM 2023-805.",
      "url": "https://www.centrepompidou.fr/en/ressources/oeuvre/MagdVCy",
      "author": null,
      "publisher": null,
      "publicationDate": null,
      "accessedAt": "2026-09-20",
      "accessOutcome": "submitted",
      "accessMethod": "Supplied manuscript; sources not independently reinspected during import.",
      "archiveUrl": null,
      "evidenceLocators": [
        "Centre Pompidou, \"Petro National #16 (Nigeria)\", AM 2023-805. https://www.centrepompidou.fr/en/ressources/oeuvre/MagdVCy"
      ]
    },
    {
      "id": "S16",
      "title": "Charlotte Kent, \"Manual Override\", Outland.",
      "url": "https://outland.art/john-gerrard-petro-national/",
      "author": null,
      "publisher": null,
      "publicationDate": null,
      "accessedAt": "2026-09-20",
      "accessOutcome": "submitted",
      "accessMethod": "Supplied manuscript; sources not independently reinspected during import.",
      "archiveUrl": null,
      "evidenceLocators": [
        "Charlotte Kent, \"Manual Override\", Outland. https://outland.art/john-gerrard-petro-national/"
      ]
    },
    {
      "id": "S18",
      "title": "FAD Magazine, \"The Hayward Gallery opens Dear Earth: Art and Hope in a Time of Crisis\", 19 June 2023.",
      "url": "https://fadmagazine.com/2023/06/19/the-hayward-gallery-opens-dear-earth-art-and-hope-in-a-time-of-crisis/",
      "author": null,
      "publisher": null,
      "publicationDate": null,
      "accessedAt": "2026-09-20",
      "accessOutcome": "submitted",
      "accessMethod": "Supplied manuscript; sources not independently reinspected during import.",
      "archiveUrl": null,
      "evidenceLocators": [
        "FAD Magazine, \"The Hayward Gallery opens Dear Earth: Art and Hope in a Time of Crisis\", 19 June 2023. https://fadmagazine.com/2023/06/19/the-hayward-gallery-opens-dear-earth-art-and-hope-in-a-time-of-crisis/"
      ]
    },
    {
      "id": "S19",
      "title": "David Flash, \"Art Blocks X Pace Verso Presents: John Gerrard's 'World Flags'\", Big Bend Times, 6 October 2023.",
      "url": "https://bigbendtimes.com/2023/10/06/art-blocks-x-pace-verso-presents-john-gerrards-world-flags/",
      "author": null,
      "publisher": null,
      "publicationDate": null,
      "accessedAt": "2026-09-20",
      "accessOutcome": "submitted",
      "accessMethod": "Supplied manuscript; sources not independently reinspected during import.",
      "archiveUrl": null,
      "evidenceLocators": [
        "David Flash, \"Art Blocks X Pace Verso Presents: John Gerrard's 'World Flags'\", Big Bend Times, 6 October 2023. https://bigbendtimes.com/2023/10/06/art-blocks-x-pace-verso-presents-john-gerrards-world-flags/"
      ]
    },
    {
      "id": "S20",
      "title": "Big Bend Sentinel, \"The Sentinel's Guide to Made in Marfa 2023\", 4 October 2023.",
      "url": "https://bigbendsentinel.com/2023/10/04/the-sentinels-guide-to-made-in-marfa-2023/",
      "author": null,
      "publisher": null,
      "publicationDate": null,
      "accessedAt": "2026-09-20",
      "accessOutcome": "submitted",
      "accessMethod": "Supplied manuscript; sources not independently reinspected during import.",
      "archiveUrl": null,
      "evidenceLocators": [
        "Big Bend Sentinel, \"The Sentinel's Guide to Made in Marfa 2023\", 4 October 2023. https://bigbendsentinel.com/2023/10/04/the-sentinels-guide-to-made-in-marfa-2023/"
      ]
    },
    {
      "id": "S21",
      "title": "Nguyen Wahed, \"We Had Been Citizens of No Country: John Gerrard and Anna Barlik\", 17 July to 27 August 2026.",
      "url": "https://nguyenwahed.com/exhibitions/46-we-had-been-citizens-of-no-country-john-gerrard-and-anna-barlik/overview",
      "author": null,
      "publisher": null,
      "publicationDate": null,
      "accessedAt": "2026-09-20",
      "accessOutcome": "submitted",
      "accessMethod": "Supplied manuscript; sources not independently reinspected during import.",
      "archiveUrl": null,
      "evidenceLocators": [
        "Nguyen Wahed, \"We Had Been Citizens of No Country: John Gerrard and Anna Barlik\", 17 July to 27 August 2026. https://nguyenwahed.com/exhibitions/46-we-had-been-citizens-of-no-country-john-gerrard-and-anna-barlik/overview"
      ]
    }
  ]
}