mac vucam
type: MusicGroup
popularity: 2
followers: 19
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x981c5b9bd63bf5aa796d91cefeb748066d38993d3bd724f009340635d059c0bf
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953936
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953936
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/20af367b-e774-4668-8dc6-0c9a250328dc.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/20af367b-e774-4668-8dc6-0c9a250328dc.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/20af367b-e774-4668-8dc6-0c9a250328dc
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T11:24:55Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x981c5b9bd63bf5aa796d91cefeb748066d38993d3bd724f009340635d059c0bf","name":"mac vucam","registered_at":"2026-06-16T00:49:20Z","symbol":"NIM0885143","token_address":"0x6a29ad5a8c4305155830452d72741356f0d557bb","type":"artist","uuid":"20af367b-e774-4668-8dc6-0c9a250328dc"}
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 0x981c5b9bd63bf5aa796d91cefeb748066d38993d3bd724f009340635d059c0bf. Chain 2 (Bitcoin): anchored in block 953949 (2026-06-16T13:28:01Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/20af367b-e774-4668-8dc6-0c9a250328dc.json and https://artists.proofprofile.net/proofs/artist/20af367b-e774-4668-8dc6-0c9a250328dc.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T13:28:01Z
  text: {"copyright_id":"0x981c5b9bd63bf5aa796d91cefeb748066d38993d3bd724f009340635d059c0bf","name":"mac vucam","registered_at":"2026-06-16T00:49:20Z","symbol":"NIM0885143","token_address":"0x6a29ad5a8c4305155830452d72741356f0d557bb","type":"artist","uuid":"20af367b-e774-4668-8dc6-0c9a250328dc"}
album: Sleepless Nights
  type: MusicAlbum
  date published: 2020-12-26
album: My Anime / Japanese Songs Piano Covers
  type: MusicAlbum
  date published: 2022-06-06
album: Don't Go
  type: MusicAlbum
  date published: 2022-08-13
album: Soundscape to Ador (Orchestral Cover)
  type: MusicAlbum
  date published: 2024-04-29
album: Again
  type: MusicAlbum
  date published: 2024-04-29
album: Scenery of Memories
  type: MusicAlbum
  date published: 2025-01-26
album: Bluestone Alley (Piano Cover)
  type: MusicAlbum
  date published: 2025-07-23