Piano Karaoke
type: MusicGroup
popularity: 3
followers: 328
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x41b0fda57dd153b44a1e4696bc7408f2da74dbbc6aafbbe9f4dba0670458d749
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954533
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954533
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a6389464-b4a2-4414-93b9-1186252f5b27.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a6389464-b4a2-4414-93b9-1186252f5b27.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/a6389464-b4a2-4414-93b9-1186252f5b27
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T08:57:02Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x41b0fda57dd153b44a1e4696bc7408f2da74dbbc6aafbbe9f4dba0670458d749","name":"Piano Karaoke","registered_at":"2026-06-20T07:40:24Z","symbol":"NIM1557324","token_address":"0xc52f2802723b0777d9bb195d8e9eff298149bda6","type":"artist","uuid":"a6389464-b4a2-4414-93b9-1186252f5b27"}
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 0x41b0fda57dd153b44a1e4696bc7408f2da74dbbc6aafbbe9f4dba0670458d749. Chain 2 (Bitcoin): anchored in block 954533 (2026-06-20T08:57:02Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a6389464-b4a2-4414-93b9-1186252f5b27.json and https://artists.proofprofile.net/proofs/artist/a6389464-b4a2-4414-93b9-1186252f5b27.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T08:57:02Z
  text: {"copyright_id":"0x41b0fda57dd153b44a1e4696bc7408f2da74dbbc6aafbbe9f4dba0670458d749","name":"Piano Karaoke","registered_at":"2026-06-20T07:40:24Z","symbol":"NIM1557324","token_address":"0xc52f2802723b0777d9bb195d8e9eff298149bda6","type":"artist","uuid":"a6389464-b4a2-4414-93b9-1186252f5b27"}
album: Vol. 1
  type: MusicAlbum
  date published: 2010-02-20
album: Piano Karaoke, Vol. 3
  type: MusicAlbum
  date published: 2014-04-15
album: Happy (Originally Performed by Pharrell Williams) [Piano Instrumental-Backing Version]
  type: MusicAlbum
  date published: 2014-04-17
album: Human (Originally Performed by Christina Perri) [Piano Instrumental-Backing Version]
  type: MusicAlbum
  date published: 2014-04-19
album: Let It Go (Originally Performed by Idina Menzel in "Frozen") [Piano Instrumental-Backing Version]
  type: MusicAlbum
  date published: 2014-04-21
album: Roar (Originally Performed by Katy Perry) [Piano Instrumental-Backing Version]
  type: MusicAlbum
  date published: 2014-04-23
album: Pompeii (Originally Performed by Bastille) [Piano Instrumental-Backing Version]
  type: MusicAlbum
  date published: 2014-04-25
album: Story of My Life (Originally Performed by One Direction) [Piano Instrumental-Backing Version]
  type: MusicAlbum
  date published: 2014-05-05
album: Demons (Originally Performed by Imagine Dragons) [Piano Instrumental-Backing Version]
  type: MusicAlbum
  date published: 2014-05-09
album: You & I (Female Key) [Originally Performed by One Direction] [Piano Instrumental-Backing Version]
  type: MusicAlbum
  date published: 2014-06-02
album: You & I (Originally Performed by One Direction) [Piano Instrumental-Backing Version]
  type: MusicAlbum
  date published: 2014-06-02
album: Chandelier (Originally Performed by Sia) [Piano Instrumental-Backing Version]
  type: MusicAlbum
  date published: 2014-09-26
album: Chandelier (Lower Key-Bb) [Originally Performed by Sia] [Piano Instrumental-Backing Version]
  type: MusicAlbum
  date published: 2014-09-26
album: Chandelier - Piano Version (Karaoke Instrumental) [In the Style of Sia Furler]
  type: MusicAlbum
  date published: 2015-03-03