Vocal Coaching by MR
type: MusicGroup
popularity: 2
followers: 35
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xecc0de4bd86b06fd7030350a3b0e4b1a6c84e0aa714a8881a189d4722691800c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953958
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953958
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/26e958d9-2119-4e41-bc10-8b7066b06322.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/26e958d9-2119-4e41-bc10-8b7066b06322.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/26e958d9-2119-4e41-bc10-8b7066b06322
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T14:52:44Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xecc0de4bd86b06fd7030350a3b0e4b1a6c84e0aa714a8881a189d4722691800c","name":"Vocal Coaching by MR","registered_at":"2026-06-16T03:02:53Z","symbol":"NIM0917053","token_address":"0xf10ada876afa7e12288fdc863ede128a898c4956","type":"artist","uuid":"26e958d9-2119-4e41-bc10-8b7066b06322"}
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 0xecc0de4bd86b06fd7030350a3b0e4b1a6c84e0aa714a8881a189d4722691800c. Chain 2 (Bitcoin): anchored in block 954014 (2026-06-16T22:46:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/26e958d9-2119-4e41-bc10-8b7066b06322.json and https://artists.proofprofile.net/proofs/artist/26e958d9-2119-4e41-bc10-8b7066b06322.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T22:46:20Z
  text: {"copyright_id":"0xecc0de4bd86b06fd7030350a3b0e4b1a6c84e0aa714a8881a189d4722691800c","name":"Vocal Coaching by MR","registered_at":"2026-06-16T03:02:53Z","symbol":"NIM0917053","token_address":"0xf10ada876afa7e12288fdc863ede128a898c4956","type":"artist","uuid":"26e958d9-2119-4e41-bc10-8b7066b06322"}
album: Vocal Warmups 2022 (Girls)
  type: MusicAlbum
  date published: 2022-07-07
album: Vocal Warmups 2022 (Boys)
  type: MusicAlbum
  date published: 2022-07-07
album: Vocal Rehab
  type: MusicAlbum
  date published: 2023-12-26
album: Custom Vocal Warmups: Anna Rivera Edition (Whistle Voice Warmups)
  type: MusicAlbum
  date published: 2025-04-23