Piano Keys
type: MusicGroup
popularity: 5
followers: 4
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953907
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953907
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/15d59803-b046-4362-95a6-58a772c3387d.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/15d59803-b046-4362-95a6-58a772c3387d.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/15d59803-b046-4362-95a6-58a772c3387d
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additional property: OTSVerifyInstructions
  type: PropertyValue
  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
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5664db9faa1e8e2c4656845946e89c853d5fcd6a9af04e48ed3454829558ab2d. Chain 2 (Bitcoin): anchored in block 953909 (2026-06-16T07:53:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/15d59803-b046-4362-95a6-58a772c3387d.json and https://artists.proofprofile.net/proofs/artist/15d59803-b046-4362-95a6-58a772c3387d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T07:53:13Z
  text: {"copyright_id":"0x5664db9faa1e8e2c4656845946e89c853d5fcd6a9af04e48ed3454829558ab2d","name":"Piano Keys","registered_at":"2026-06-15T21:10:11Z","symbol":"NIM0832840","token_address":"0x0a6f90356472354792dc1d92361446e5ff9171f6","type":"artist","uuid":"15d59803-b046-4362-95a6-58a772c3387d"}
album: Atmospheric Piano Mix
  type: MusicAlbum
  date published: 2022-02-03
album: Atmospheric Piano Keys
  type: MusicAlbum
  date published: 2022-02-24
album: Molecule Mindfulness
  type: MusicAlbum
  date published: 2023-04-28
album: 50 Atmospheric Piano Vibes
  type: MusicAlbum
  date published: 2023-07-10
album: 50 Calming Piano Keys
  type: MusicAlbum
  date published: 2023-07-17
album: 4K Piano Deluxe
  type: MusicAlbum
  date published: 2023-08-14
album: Blissful Piano Warmth
  type: MusicAlbum
  date published: 2023-10-16
album: Tinkling Pianos
  type: MusicAlbum
  date published: 2023-11-13
album: Relaxed Piano Sessions
  type: MusicAlbum
  date published: 2023-11-20
album: ASMR Piano Lounge
  type: MusicAlbum
  date published: 2023-12-11
album: Complete Cosiness Keys
  type: MusicAlbum
  date published: 2023-12-18
album: Piano Essentials
  type: MusicAlbum
  date published: 2024-01-08
album: Serene Pianos
  type: MusicAlbum
  date published: 2024-01-22
album: Atmospheric Piano Mix
  type: MusicAlbum
  date published: 2025-01-13
  track: Precious Abundant
    type: MusicRecording
    duration: PT2M29S
    duration ms: 149298
    explicit: false
    by artist: Piano Keys
    in album: Atmospheric Piano Mix
      type: MusicAlbum
      date published: 2025-01-13
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    additional property: CopyrightID
    additional property: CopyrightStatus
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    additional property: CopyrightChainExplorerURL
      type: PropertyValue
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    additional property: OTSBitcoinBlock
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    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958224
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBPS83924326
    additional property: OTSTimestamp
      type: PropertyValue
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    additional property: OTSVerifyInstructions
      type: PropertyValue
      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
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x742b1e4aa09c101ca950230a3f833b444307b6cc65060e079c672bcab33f2c1c. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T02:28:43Z), 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/GBPS83924326.
      date published: 2026-07-16T02:28:43Z
    audio: Precious Abundant
      type: AudioObject
      additional property: Tempo (BPM)
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      additional property: Musical Key
        type: PropertyValue
        value: 1
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
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      additional property: Energy
        type: PropertyValue
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      additional property: Speechiness
        type: PropertyValue
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      additional property: Acousticness
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      additional property: Instrumentalness
        type: PropertyValue
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      additional property: Liveness
        type: PropertyValue
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      additional property: Valence (Positivity)
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      additional property: Loudness (dB)
        type: PropertyValue
        value: -32.318
      additional property: Key Name
        type: PropertyValue
        value: C#
      additional property: Mode Name
        type: PropertyValue
        value: Major