Matt John
type: MusicGroup
popularity: 7
followers: 1422
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2e860db2d3221e9d87907d1ff260f32e014e21ec6dda928733aaaa4f1d2d1b11
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953941
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953941
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/20403c7c-015e-4425-b7e2-b01f3073a5b9.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/20403c7c-015e-4425-b7e2-b01f3073a5b9.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/20403c7c-015e-4425-b7e2-b01f3073a5b9
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T11:51:19Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x2e860db2d3221e9d87907d1ff260f32e014e21ec6dda928733aaaa4f1d2d1b11","name":"Matt John","registered_at":"2026-06-16T01:03:44Z","symbol":"NIM0888578","token_address":"0x0e45560f23a7d1412eb0a687ee36b0a54bdf3cf3","type":"artist","uuid":"20403c7c-015e-4425-b7e2-b01f3073a5b9"}
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 0x2e860db2d3221e9d87907d1ff260f32e014e21ec6dda928733aaaa4f1d2d1b11. Chain 2 (Bitcoin): anchored in block 953941 (2026-06-16T11:51:19Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/20403c7c-015e-4425-b7e2-b01f3073a5b9.json and https://artists.proofprofile.net/proofs/artist/20403c7c-015e-4425-b7e2-b01f3073a5b9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T11:51:19Z
  text: {"copyright_id":"0x2e860db2d3221e9d87907d1ff260f32e014e21ec6dda928733aaaa4f1d2d1b11","name":"Matt John","registered_at":"2026-06-16T01:03:44Z","symbol":"NIM0888578","token_address":"0x0e45560f23a7d1412eb0a687ee36b0a54bdf3cf3","type":"artist","uuid":"20403c7c-015e-4425-b7e2-b01f3073a5b9"}
album: Was kommt nach Montag
  type: MusicAlbum
  date published: 2006
album: Was Kommt Nach Montag: Kommt Was Nach Montag
  type: MusicAlbum
  date published: 2006-01-10
album: Trampolin
  type: MusicAlbum
  date published: 2007
album: Sasomo
  type: MusicAlbum
  date published: 2007-06-13
album: Trampolin
  type: MusicAlbum
  date published: 2008-01-23
album: The Bridge
  type: MusicAlbum
  date published: 2011
album: Potpourri (Continuous DJ Mix)
  type: MusicAlbum
  date published: 2011
album: Potpourri
  type: MusicAlbum
  date published: 2011-04-07
album: The Bridge
  type: MusicAlbum
  date published: 2011-04-28
album: Flying Shoes
  type: MusicAlbum
  date published: 2012-02-20
album: The Bridge (Remix Edition)
  type: MusicAlbum
  date published: 2013
album: The Keys
  type: MusicAlbum
  date published: 2013-05-27
album: The Keys
  type: MusicAlbum
  date published: 2013-05-27
album: The Keys
  type: MusicAlbum
  date published: 2013-05-27
album: The Bridge Remixes
  type: MusicAlbum
  date published: 2014-11-25