Piano Lullaby Experts
type: MusicGroup
genre: lullaby
popularity: 16
followers: 36
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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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  date published: 2026-06-14T15:20:52Z
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album: Piano Lullaby with Ocean Sounds: Relaxing Piano Lullabies and Ocean Waves
  type: MusicAlbum
  date published: 2021-07-12
  track: Row Row Row your Boat - Piano Lullaby with Ocean Waves
    type: MusicRecording
    duration: PT2M15S
    duration ms: 135047
    explicit: false
    by artist: Piano Lullaby Experts
    in album: Piano Lullaby with Ocean Sounds: Relaxing Piano Lullabies and Ocean Waves
      type: MusicAlbum
      date published: 2021-07-12
    genre: lullaby
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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 0x82ffe11f74d3d35a4bb0c2d10332bab8cc88de2a469856206f02fb7b96668652. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), 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/ITK262101944.
      date published: 2026-07-18T04:13:26Z
    audio: Row Row Row your Boat - Piano Lullaby with Ocean Waves
      type: AudioObject
      additional property: Tempo (BPM)
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      additional property: Musical Key
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      additional property: Mode (Major/Minor)
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        value: 1
      additional property: Time Signature
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        value: 3
      additional property: Danceability
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      additional property: Energy
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      additional property: Speechiness
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      additional property: Acousticness
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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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      additional property: Key Name
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        value: Bb
      additional property: Mode Name
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album: Feline Lullabies: Piano for Night Prowlers
  type: MusicAlbum
  date published: 2025-03-15