{
  "sources": [
    {
      "id": "S01",
      "title": "Polychrome Music by Rafaël Rozendaal and Danny Wolfers (Legowelt): project registry record (projects_metadata)",
      "url": "https://artblocks-mainnet.hasura.app/v1/graphql",
      "author": "Art Blocks",
      "publisher": "Art Blocks",
      "publicationDate": null,
      "accessedAt": "2026-09-20T00:21:03Z",
      "accessOutcome": "inspected",
      "accessMethod": "curl POST GraphQL",
      "archiveUrl": null,
      "evidenceLocators": [
        "query ProjectBySlug, variables {slug: polychrome-music-by-rafael-rozendaal-and-danny-wolfers-legowelt}",
        "fields: description 'Click to activate sound... The work is responsive' and Legowelt quote 'generative music system that plays an infinite composition on 3 different audio channels... randomly selecting 3 patterns out of a pool of 180... written in the same C# Dorian scale so they always fit together... channel 1 plays the bassline and channels 2 and 3 the melody, countermelody, arpeggios and harmonies... infinitely randomly remixes the source melodies', license 'CC BY-NC-ND 4.0', invocations 400 = max_invocations 400, script_type_and_version tone@14.8.15, script_count 4, website newrafael.com, artist_interview medium.com link, curation_status factory with heritage curated series 8, complete true, active true, aspect_ratio 1.0, external_asset_dependency_count 0, first_token_minted_at 2022-07-26T23:57:45Z, activated_at 2022-08-17T22:31:33Z, start_datetime 2022-08-24T17:00:00Z, completed_at 2022-08-24T17:53:43Z, price_per_token_in_wei 0"
      ]
    },
    {
      "id": "S02",
      "title": "Polychrome Music full artist script (projects_metadata.script)",
      "url": "https://artblocks-mainnet.hasura.app/v1/graphql",
      "author": "Rafaël Rozendaal and Danny Wolfers",
      "publisher": "Art Blocks",
      "publicationDate": null,
      "accessedAt": "2026-09-20T00:21:03Z",
      "accessOutcome": "inspected",
      "accessMethod": "curl POST GraphQL, bytes retained locally for hashing only",
      "archiveUrl": null,
      "evidenceLocators": [
        "29,006 bytes, SHA-256 b67c65d809e4e9e22876725d4961f39740fcb54468eb3d141a992e9f02760744, read in full (minified bundle with build stamp '20220801.210420')",
        "xorshift-family PRNG seeded from four 8-hex-char slices of tokenData.hash, instantiated twice; Tone.Transport / Tone.Part / Synth wiring; embedded pattern data with C# Dorian note set; single touchend-or-click listener to start audio; canvas animation loop; no audio or video elements"
      ]
    },
    {
      "id": "S03",
      "title": "Polychrome Music: official collection page",
      "url": "https://www.artblocks.io/collection/polychrome-music-by-rafael-rozendaal-and-danny-wolfers-legowelt",
      "author": "Art Blocks",
      "publisher": "Art Blocks",
      "publicationDate": null,
      "accessedAt": "2026-09-20T14:30:00Z",
      "accessOutcome": "inspected",
      "accessMethod": "curl -L, HTML inspected",
      "archiveUrl": null,
      "evidenceLocators": [
        "'Released Aug 24, 2022, 5:00 PM UTC'"
      ]
    },
    {
      "id": "S04",
      "title": "Polychrome Music token records (tokens_metadata)",
      "url": "https://artblocks-mainnet.hasura.app/v1/graphql",
      "author": "Art Blocks",
      "publisher": "Art Blocks",
      "publicationDate": null,
      "accessedAt": "2026-09-20T00:21:52Z",
      "accessOutcome": "inspected",
      "accessMethod": "curl POST GraphQL",
      "archiveUrl": null,
      "evidenceLocators": [
        "400 token rows for project 0xa7d8d9ef8d8ce8992df33d8b8cf4aebabd5bd270-336; tokens 336000000 (2022-07-26T23:57:45Z), 336000001 (2022-08-03T15:40:01Z, early mint), 336000009 and 336000010 (2022-08-24T17:48:03Z), 336000020 (17:49:35Z), 336000399 (17:53:43Z, last mint; sale about 54 minutes)",
        "AB5D-held edition: 9 only; owner 0xdd19308a9731cdecb67e0d80ca6823394208c045 observed 2026-09-20; hash of #9 0xb0f0a6f7...f24ca4"
      ]
    },
    {
      "id": "S05",
      "title": "AB5D linked wallet set (user_profiles query)",
      "url": "https://artblocks-mainnet.hasura.app/v1/graphql",
      "author": "Art Blocks",
      "publisher": "Art Blocks",
      "publicationDate": null,
      "accessedAt": "2026-09-20T00:22:10Z",
      "accessOutcome": "inspected",
      "accessMethod": "curl POST GraphQL",
      "archiveUrl": null,
      "evidenceLocators": [
        "query { user_profiles(where: {username: {_eq: \"ab5d\"}}) { username linked_accounts { public_address } } }",
        "response linked_accounts: 0xce6dc14c5494d8a4325a81d3b257d130fa2039d1, 0x2247247ee0eee59557e6cd14f7e047f6a9309b5c, 0xdd19308a9731cdecb67e0d80ca6823394208c045"
      ]
    },
    {
      "id": "S06",
      "title": "Rafaël Rozendaal artist dossier",
      "url": "https://ab5d.xyz/artists/rafael-rozendaal/",
      "author": "AB5D",
      "publisher": "AB5D",
      "publicationDate": null,
      "accessedAt": "2026-09-20T14:30:30Z",
      "accessOutcome": "inspected",
      "accessMethod": "curl, text extracted",
      "archiveUrl": null,
      "evidenceLocators": [
        "in the set: Endless Nameless (1,000), Polychrome Music (400), Dive (333), Intersections (300), Twist (250), Non Either (100), Corners (64), 2,447 editions total; oTDH 27,815, rank 9 of 308; 1,046 collector identities as of 14 Sep 2026",
        "'Born 1980, Amsterdam. Dutch-Brazilian; lives and works in New York'; 'Its composition must adapt to the frame through which it is seen'; posting online experiments since 1999"
      ]
    },
    {
      "id": "S07",
      "title": "In Conversation with Rafaël Rozendaal and Danny Wolfers (Legowelt), via Internet Archive",
      "url": "https://web.archive.org/web/2022/https://medium.com/the-link-art-blocks/in-conversation-with-rafa%C3%ABl-rozendaal-and-danny-wolfers-legowelt-e6d61f69efa9",
      "author": "Jeff Davis",
      "publisher": "The Link (Art Blocks) on Medium",
      "publicationDate": "2022-08-19",
      "accessedAt": "2026-09-20T14:32:00Z",
      "accessOutcome": "inspected",
      "accessMethod": "curl on live URL returned HTTP 403 (Cloudflare); Internet Archive capture fetched and article body extracted",
      "archiveUrl": "https://web.archive.org/web/2022/https://medium.com/the-link-art-blocks/in-conversation-with-rafa%C3%ABl-rozendaal-and-danny-wolfers-legowelt-e6d61f69efa9",
      "evidenceLocators": [
        "DW: 'Earlier this year he asked me to collaborate on a new generative art project to design the music algorithm'",
        "RR: 'I discovered Danny's music when I lived in Los Angeles in 2004'",
        "DW: 'close to my old 90s Amiga cracktro demo scene cyberpunk ethos'; 'demos and game soundtracks on the Commodore 64 computer... 3 monophonic sound channels'; 'the project was ANTI AMBIENT ha'",
        "RR: 'play it fullscreen and turn the sound up'; visuals as 'diagrammatic depictions of energy'"
      ]
    },
    {
      "id": "S08",
      "title": "Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International deed",
      "url": "https://creativecommons.org/licenses/by-nc-nd/4.0/",
      "author": "Creative Commons",
      "publisher": "Creative Commons",
      "publicationDate": null,
      "accessedAt": "2026-09-20T00:30:00Z",
      "accessOutcome": "inspected",
      "accessMethod": "HTTP fetch, deed text extracted (retained at research4/web/cc-by-nc-nd-4.html)",
      "archiveUrl": null,
      "evidenceLocators": [
        "'You are free to: Share - copy and redistribute the material in any medium or format'",
        "'Attribution... NonCommercial... NoDerivatives - If you remix, transform, or build upon the material, you may not distribute the modified material... No additional restrictions'"
      ]
    },
    {
      "id": "S09",
      "title": "Polychrome Music live renderer, token 336000009",
      "url": "https://generator.artblocks.io/1/0xa7d8d9ef8d8ce8992df33d8b8cf4aebabd5bd270/336000009",
      "author": "Art Blocks",
      "publisher": "Art Blocks",
      "publicationDate": null,
      "accessedAt": "2026-09-20T14:38:00Z",
      "accessOutcome": "inspected",
      "accessMethod": "headless Chrome via puppeteer-core with autoplay policy disabled, timed frame captures, click gesture, Tone telemetry",
      "archiveUrl": null,
      "evidenceLocators": [
        "tokenData.hash matched chain record 0xb0f0a6f73322bd2e36e87f45783ae0cda48e8e4a27256ffd61a1c16586f24ca4 exactly",
        "frames differ across 5s before and after click (continuous visual animation)",
        "AudioContext state 'running' under disabled autoplay policy; Tone.Transport state 'started' only after click, bpm.value 35",
        "one canvas, zero audio/video elements; screenshots research4/tools/pm-*.png; browser exited cleanly"
      ]
    },
    {
      "id": "S10",
      "title": "Polychrome Music static preview media, tokens 336000000/336000001/336000009/336000010/336000020",
      "url": "https://media-proxy.artblocks.io/1/0xa7d8d9ef8d8ce8992df33d8b8cf4aebabd5bd270/336000009.png",
      "author": "Art Blocks",
      "publisher": "Art Blocks",
      "publicationDate": null,
      "accessedAt": "2026-09-20T14:34:00Z",
      "accessOutcome": "inspected",
      "accessMethod": "curl -L, local viewing",
      "archiveUrl": null,
      "evidenceLocators": [
        "research4/img_pm/0.png (grayscale nested rectangles)",
        "research4/img_pm/1.png (yellow/red/magenta/mint concentric frames, maze-like center)",
        "research4/img_pm/9.png (red/magenta/purple field with pale spiral; header)",
        "research4/img_pm/10.png (cyan and deep green blocks on pink with orange accents)",
        "research4/img_pm/20.png (dense teal, hot pink and pale blue rectangles at many scales)"
      ]
    },
    {
      "id": "S11",
      "title": "newrafael.com, artist's official website",
      "url": "https://www.newrafael.com",
      "author": "Rafaël Rozendaal",
      "publisher": "newrafael.com",
      "publicationDate": null,
      "accessedAt": "2026-09-20T14:31:00Z",
      "accessOutcome": "inspected",
      "accessMethod": "curl -L, text extracted",
      "archiveUrl": null,
      "evidenceLocators": [
        "site shell loads (HTTP 200) with navigation 'Exhibitions Paintings Internet Texts Info'; registry-listed artist website; Polychrome Music not separately linked from the landing shell at access time"
      ]
    }
  ]
}