4u
type: MusicGroup
genre: new jack swing
genre: quiet storm
popularity: 10
followers: 1197
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additional property: CopyrightChainExplorerURL
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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 → 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 0x545c01b445631b154f8591c6bf38f1830233cdf1a2bc208ba7632ea31b2c60f4. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/628ac4db-5d7b-4568-807d-2dd7ba7934b4.json and https://artists.proofprofile.net/proofs/artist/628ac4db-5d7b-4568-807d-2dd7ba7934b4.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
album: Just For You
  type: MusicAlbum
  date published: 1996-10-03
album: Waiting
  type: MusicAlbum
  date published: 2003-01-01
album: Don't Like "Baby Mama Drama" MAXI SINGLE
  type: MusicAlbum
  date published: 2004-01-01
album: For You
  type: MusicAlbum
  date published: 2006-01-01
album: The Rhythm of Emotion
  type: MusicAlbum
  date published: 2009-12-10
album: Perfect Two (Ukelele Mix)
  type: MusicAlbum
  date published: 2014-09-17
album: Perfect Two
  type: MusicAlbum
  date published: 2014-09-17
album: Way Out
  type: MusicAlbum
  date published: 2015-02-27
album: Day Started
  type: MusicAlbum
  date published: 2015-11-09
album: Another
  type: MusicAlbum
  date published: 2016-02-12
album: Tell It To My Heart
  type: MusicAlbum
  date published: 2016-02-15
album: Hadirmu
  type: MusicAlbum
  date published: 2016-04-09
album: Don't Stop (Single)
  type: MusicAlbum
  date published: 2016-08-22
album: Adopt Me
  type: MusicAlbum
  date published: 2017-11-27
album: Тэрэ басаган
  type: MusicAlbum
  date published: 2020-06-23
track: September - 4U Remix

September - 4U Remix
type: MusicRecording
duration: PT5M30S
duration ms: 330485
explicit: false
by artist: Mister Salo
by artist: 4u
in album: September, Pt. 2
  type: MusicAlbum
  date published: 2016-10-03
isrc code: GBKQU1678807
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: OTSHash
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41+00:00
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
  type: PropertyValue
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9d8ed7227af5321bbcc4710db04ee8ae14c61227e1c91df6320018479654d52. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/GBKQU1678807.
  date published: 2026-07-08T03:53:27Z
audio: September - 4U Remix
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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    type: PropertyValue
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  additional property: Danceability
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  additional property: Energy
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  additional property: Instrumentalness
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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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  additional property: Mode Name
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