Def Ferrer
type: MusicGroup
popularity: 5
followers: 55
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x660869dd31df9242e5d11376387671fe663d02ff44d1a09dbb393b6ee0c8b26e
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/043fbd52-9b7c-4ae7-809c-10ea63078649.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/043fbd52-9b7c-4ae7-809c-10ea63078649.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/043fbd52-9b7c-4ae7-809c-10ea63078649
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T00:30:31Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x660869dd31df9242e5d11376387671fe663d02ff44d1a09dbb393b6ee0c8b26e","name":"Def Ferrer","registered_at":"2026-06-15T15:13:02Z","symbol":"NIM0747628","token_address":"0xc909519520bf5e4aa911b21400b9cea04685a3d9","type":"artist","uuid":"043fbd52-9b7c-4ae7-809c-10ea63078649"}
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 0x660869dd31df9242e5d11376387671fe663d02ff44d1a09dbb393b6ee0c8b26e. Chain 2 (Bitcoin): anchored in block 953864 (2026-06-16T00:30:31Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/043fbd52-9b7c-4ae7-809c-10ea63078649.json and https://artists.proofprofile.net/proofs/artist/043fbd52-9b7c-4ae7-809c-10ea63078649.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T00:30:31Z
  text: {"copyright_id":"0x660869dd31df9242e5d11376387671fe663d02ff44d1a09dbb393b6ee0c8b26e","name":"Def Ferrer","registered_at":"2026-06-15T15:13:02Z","symbol":"NIM0747628","token_address":"0xc909519520bf5e4aa911b21400b9cea04685a3d9","type":"artist","uuid":"043fbd52-9b7c-4ae7-809c-10ea63078649"}
album: Somewhere Inside Of Me
  type: MusicAlbum
  date published: 2025-08-29
album: Rooms You Never Came Back To
  type: MusicAlbum
  date published: 2025-08-29
album: Lie To Me Tonigth
  type: MusicAlbum
  date published: 2025-08-29
album: Lie To Me Tonight
  type: MusicAlbum
  date published: 2025-08-31
album: Forever And One
  type: MusicAlbum
  date published: 2025-09-03
album: Feelings (Never Ready to Say Goodbye)
  type: MusicAlbum
  date published: 2025-09-03
album: If You Ever See Her
  type: MusicAlbum
  date published: 2025-09-03
album: Endless Journey
  type: MusicAlbum
  date published: 2025-09-03
album: I Loved You More Than Me
  type: MusicAlbum
  date published: 2025-09-03
album: Burning Heart
  type: MusicAlbum
  date published: 2025-09-06
album: Some Night
  type: MusicAlbum
  date published: 2025-09-06
album: Still Standing In The Ashes
  type: MusicAlbum
  date published: 2025-09-07
album: I Waited for Us (Deep House)
  type: MusicAlbum
  date published: 2025-09-07
album: It's Not GoodBye
  type: MusicAlbum
  date published: 2025-09-07
album: Dancing With Her Shadow
  type: MusicAlbum
  date published: 2025-09-08
album: Cry In The Rain
  type: MusicAlbum
  date published: 2025-09-11
album: The Hours I Never Got Back
  type: MusicAlbum
  date published: 2025-09-13
album: Soft Lies, Hard GoodByes (The Collection)
  type: MusicAlbum
  date published: 2025-09-15
album: Soft Lies, Hard Goodbyes (The Collection)
  type: MusicAlbum
  date published: 2025-09-15
album: Behind The Mask
  type: MusicAlbum
  date published: 2025-09-17
album: Cry In The Rain
  type: MusicAlbum
  date published: 2025-09-20
album: Broken Ties
  type: MusicAlbum
  date published: 2025-09-23
album: Burning Heart
  type: MusicAlbum
  date published: 2025-09-25
album: Heartbeat
  type: MusicAlbum
  date published: 2025-10-03
album: The Heart You Left Behind
  type: MusicAlbum
  date published: 2025-10-05
album: Saxophone Lies
  type: MusicAlbum
  date published: 2025-10-11
album: In My Dreams
  type: MusicAlbum
  date published: 2025-10-13
album: Love on Repeat
  type: MusicAlbum
  date published: 2025-10-17
album: Cry in the Rain
  type: MusicAlbum
  date published: 2025-10-17
album: Behind the Mask
  type: MusicAlbum
  date published: 2025-10-18
album: Crimson Horizon
  type: MusicAlbum
  date published: 2025-10-19
album: Eletric Solitude - Ultimate Guitar
  type: MusicAlbum
  date published: 2025-10-28
album: Burning Silence
  type: MusicAlbum
  date published: 2025-10-29
album: Ibiza Echoes of the Last Note Vol. 1
  type: MusicAlbum
  date published: 2025-10-31
album: Vinyl Whispers Vol.1
  type: MusicAlbum
  date published: 2025-10-31
album: Soft Lies, Hard Goodbyes Vol.1
  type: MusicAlbum
  date published: 2025-11-03
album: Soft Lies, Hard Goodbyes Vol.2
  type: MusicAlbum
  date published: 2025-11-03
album: Apasionado En El Metro De Madrid
  type: MusicAlbum
  date published: 2025-11-07
album: A Chair Still Facing The Door
  type: MusicAlbum
  date published: 2025-11-14
album: Left Behind at the Station
  type: MusicAlbum
  date published: 2025-11-15