Black Marble
type: MusicGroup
genre: cold wave
genre: darkwave
genre: dream pop
genre: post-punk
popularity: 43
followers: 137228
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additional property: OTSVerifyInstructions
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  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11ba200ab5073e1985c6ee97fcaeb12a17cf1fb893be2e44c504dbbcc9667140. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9d89fda3-a20c-497c-a2ae-b485f28aff0e.json and https://artists.proofprofile.net/proofs/artist/9d89fda3-a20c-497c-a2ae-b485f28aff0e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:28:13Z
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album: Weight Against the Door
  type: MusicAlbum
  date published: 2012-01-17
  track: Pretender
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      date published: 2012-01-17
  track: Backwards
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  track: On My Head
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      date published: 2012-01-17
  track: Balancing
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  track: Pressure
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album: Weight Against the Door
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  track: On My Head
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    by artist: Black Marble
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      type: MusicAlbum
      date published: 2012-01-17
    isrc code: USHF31205403
  track: Balancing
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      date published: 2012-01-17
    isrc code: USHF31205405
album: Weight Against the Door
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  track: Pretender
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    by artist: Black Marble
    in album: Weight Against the Door
      type: MusicAlbum
      date published: 2012-01-17
album: A Different Arrangement
  type: MusicAlbum
  date published: 2012-10-09
  track: Cruel Summer
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    by artist: Black Marble
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      type: MusicAlbum
      date published: 2012-10-09
  track: MSQ No-Extra
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    by artist: Black Marble
    in album: A Different Arrangement
  track: A Great Design
  track: A Different Arrangement
  track: Limitations
  track: UK
  track: Static
  track: Pretender
  track: Last
  track: Safe Minds
  track: Unrelated
album: Iron Lung
album: Woods
album: Frisk
album: It's Immaterial
album: One Eye Open
album: Feels
album: Private Show
album: Bigger Than Life
album: In Manchester
album: Johnny and Mary
album: I Must Be Living Twice
album: All I Want for Christmas Is You
album: Somewhere
album: Ceiling
album: Preoccupation
album: Fast Idol
track: Far
track: Static

Black Marble
type: MusicGroup

A Different Arrangement
type: MusicAlbum
date published: 2012-10-09

A Great Design
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duration: PT4M30S
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in album: A Different Arrangement
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A Different Arrangement
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by artist: Black Marble
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Limitations
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UK
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by artist: Black Marble
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Static
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Pretender
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Last
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Safe Minds
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Unrelated
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by artist: Black Marble
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A Different Arrangement
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track: MSQ No-Extra
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    date published: 2012-10-09
track: Limitations
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track: Static
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track: Last
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track: Safe Minds
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A Different Arrangement
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track: Safe Minds
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track: Unrelated
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Iron Lung
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date published: 2016-07-12
track: Iron Lung
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  by artist: Black Marble
  in album: Iron Lung
    type: MusicAlbum
    date published: 2016-07-12

Woods
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date published: 2016-08-03
track: Woods
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    date published: 2016-08-03

Frisk
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It's Immaterial
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track: Interdiction
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track: Iron Lung
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track: It's Conditional
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track: Woods
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  by artist: Black Marble
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track: A Million Billion Stars
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track: Missing Sibling
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track: Frisk
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track: Golden Heart
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  isrc code: US2J71607508
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    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e9fd8f6e420d72f76ad74260602eb68f75d3e562d7ee6d952759552d54c7949. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1qsCePkZ7meHrGHUG4Szkr.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1qsCePkZ7meHrGHUG4Szkr.
    date published: 2026-07-02T16:51:38Z
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track: Self Guided Tours
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track: Portland U
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track: Collene
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It's Immaterial
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track: Interdiction
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track: Iron Lung
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track: It's Conditional
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track: Woods
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track: A Million Billion Stars
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track: Missing Sibling
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track: Self Guided Tours
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It's Immaterial
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One Eye Open
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One Eye Open
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Feels
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Feels
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Private Show
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Private Show
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Bigger Than Life
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Bigger Than Life
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In Manchester
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In Manchester
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Johnny and Mary
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Johnny and Mary
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I Must Be Living Twice
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I Must Be Living Twice
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All I Want for Christmas Is You
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Somewhere
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Ceiling
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Preoccupation
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Fast Idol
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Far
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0107941e040fb27ff280bbcbfad35407b6c9ba437edff9a1b15058096efedc36. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0S5m7ZfJRG3VoEtcq3PjIu.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0S5m7ZfJRG3VoEtcq3PjIu.
  date published: 2026-07-02T03:30:09Z

Static
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