Zum
type: MusicGroup
genre: dark cabaret
genre: tango
popularity: 2
followers: 205
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xea0ceb12fcfd03e29a70a056532ed3863183eef10c9845b8888882559b3daf78
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954066
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954066
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/5ec9cfbc-9bc2-4f98-810d-4d947b05facf.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/5ec9cfbc-9bc2-4f98-810d-4d947b05facf.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/5ec9cfbc-9bc2-4f98-810d-4d947b05facf
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:11:48Z
additional property: OTSCanonicalRecord
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 0xea0ceb12fcfd03e29a70a056532ed3863183eef10c9845b8888882559b3daf78. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/5ec9cfbc-9bc2-4f98-810d-4d947b05facf.json and https://artists.proofprofile.net/proofs/artist/5ec9cfbc-9bc2-4f98-810d-4d947b05facf.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
album: Fin
  type: MusicAlbum
  date published: 2000-01-01
album: Blind
  type: MusicAlbum
  date published: 2001-01-01
album: Live At The Royal Festival Hall
  type: MusicAlbum
  date published: 2002
album: Singel 1
  type: MusicAlbum
  date published: 2002-01-01
album: Popagenda
  type: MusicAlbum
  date published: 2003-11-01
album: Popagenda
  type: MusicAlbum
  date published: 2003-11-01
album: Inferno
  type: MusicAlbum
  date published: 2004
album: The Chill Out Album
  type: MusicAlbum
  date published: 2004
album: Angel Suite
  type: MusicAlbum
  date published: 2006-01-01
album: Zum: Gypsy Tango Pasion
  type: MusicAlbum
  date published: 2006-01-01
album: Zum: Gypsy Tango Pasion
  type: MusicAlbum
  date published: 2006-01-01
album: ZUM Plays Piazzolla
  type: MusicAlbum
  date published: 2009-07-01
album: Tango Argentino (ZUM play Astor Piazzolla)
  type: MusicAlbum
  date published: 2010-02-01
album: Tango Argentino (ZUM play Astor Piazzolla)
  type: MusicAlbum
  date published: 2010-02-01
album: Zummism
  type: MusicAlbum
  date published: 2010-06-15
album: Stay With Me
  type: MusicAlbum
  date published: 2010-11-28
album: In the Same Boat
  type: MusicAlbum
  date published: 2012-12-05
album: Tango
  type: MusicAlbum
  date published: 2020-03-27
album: Tango
  type: MusicAlbum
  date published: 2020-03-27