Max Cardona
type: MusicGroup
popularity: 3
followers: 95
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd43ffe7c097f7a95bff9974c4a811e9b49193eedaa619ef5d91208be3ea43f82
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953864
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953864
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/04c25a65-e467-4388-8333-e9ceb11abb53.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/04c25a65-e467-4388-8333-e9ceb11abb53.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/04c25a65-e467-4388-8333-e9ceb11abb53
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T00:30:31Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd43ffe7c097f7a95bff9974c4a811e9b49193eedaa619ef5d91208be3ea43f82","name":"Max Cardona","registered_at":"2026-06-15T15:15:15Z","symbol":"NIM0748158","token_address":"0x2c245af37921d78dda3e00e74b4532b8d88e6741","type":"artist","uuid":"04c25a65-e467-4388-8333-e9ceb11abb53"}
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 0xd43ffe7c097f7a95bff9974c4a811e9b49193eedaa619ef5d91208be3ea43f82. 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/04c25a65-e467-4388-8333-e9ceb11abb53.json and https://artists.proofprofile.net/proofs/artist/04c25a65-e467-4388-8333-e9ceb11abb53.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T07:53:13Z
  text: {"copyright_id":"0xd43ffe7c097f7a95bff9974c4a811e9b49193eedaa619ef5d91208be3ea43f82","name":"Max Cardona","registered_at":"2026-06-15T15:15:15Z","symbol":"NIM0748158","token_address":"0x2c245af37921d78dda3e00e74b4532b8d88e6741","type":"artist","uuid":"04c25a65-e467-4388-8333-e9ceb11abb53"}
album: Bad Girls
  type: MusicAlbum
  date published: 2018-11-08
album: Why Don't You Love Me?
  type: MusicAlbum
  date published: 2019-02-14