90's Groove Masters
type: MusicGroup
popularity: 13
followers: 2342
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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 → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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 0x5695312b80f9f3cea81541e2488548289999294934703cdbab99aa5f8a1e224c. Chain 2 (Bitcoin): anchored in block 953786 (2026-06-15T12:56:12Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d61c7e08-dea2-430d-8058-f2b355f165df.json and https://artists.proofprofile.net/proofs/artist/d61c7e08-dea2-430d-8058-f2b355f165df.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T12:56:12Z
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album: 40 Worlds Greatest 90's Groove - The Only Nineties Grooves Album You'll Ever Need!
  type: MusicAlbum
  date published: 2012-06-25
album: Worlds Greatest 90's Groove - The Only Nineties Grooves Album You'll Ever Need! ( Deluxe Version )
  type: MusicAlbum
  date published: 2012-06-27
album: 90's Giants
  type: MusicAlbum
  date published: 2015-05-26
album: Ultimate 90's Mixtape
  type: MusicAlbum
  date published: 2015-06-09
  track: I Didn't Know I Was Looking for Love
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    by artist: 90's Groove Masters
    in album: Ultimate 90's Mixtape
      type: MusicAlbum
      date published: 2015-06-09
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    additional property: OTSTimestamp
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    additional property: OTSVerifyInstructions
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      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x726795651ce8eef35bd3c005e6910dd70023a507ab06a56c5d428acddc56d2f0. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBPS81513124.
      date published: 2026-07-04T10:04:33Z
    audio: I Didn't Know I Was Looking for Love
      type: AudioObject
      additional property: Tempo (BPM)
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        value: 125.994
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      additional property: Instrumentalness
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      additional property: Liveness
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      additional property: Valence (Positivity)
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      additional property: Loudness (dB)
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album: 90's Pop Masterclass
  type: MusicAlbum
  date published: 2015-06-16
album: Best Ever 90's Album
  type: MusicAlbum
  date published: 2015-06-23
album: 90's Hit Masters
  type: MusicAlbum
  date published: 2015-08-25
album: 90's Hit Collection
  type: MusicAlbum
  date published: 2015-09-22
album: 90's Chart Classics
  type: MusicAlbum
  date published: 2015-10-06
album: Epic 90's Hits
  type: MusicAlbum
  date published: 2015-11-03
album: '90s Groove Masters
  type: MusicAlbum
  date published: 2015-12-15
album: All Out 90s
  type: MusicAlbum
  date published: 2017-09-07
album: Throwback Thursday 90's Hits
  type: MusicAlbum
  date published: 2017-10-19
album: 90s Throwback
  type: MusicAlbum
  date published: 2017-10-19
album: 90's Generation Hits
  type: MusicAlbum
  date published: 2019-07-02
album: Wind of Change
  type: MusicAlbum
  date published: 2019-08-29
album: Return of the Mack
  type: MusicAlbum
  date published: 2019-09-26
album: By Your Side
  type: MusicAlbum
  date published: 2019-10-11
album: Most Wanted 90's Hits
  type: MusicAlbum
  date published: 2019-10-18
album: Groovy 90s Hits Playlist
  type: MusicAlbum
  date published: 2020-01-11
album: Turn up the Volume 90s
  type: MusicAlbum
  date published: 2020-08-08
album: Forever Grooving 90's Beat
  type: MusicAlbum
  date published: 2020-08-30
album: Primary 90's Pop Grooves
  type: MusicAlbum
  date published: 2020-10-11
album: Radio DJ 90's
  type: MusicAlbum
  date published: 2020-10-24