If
type: MusicGroup
genre: jazz fusion
genre: progressive rock
popularity: 9
followers: 1962
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x846aeb70cae1fae12815333cd0acd055f2fd841e00b762bd8148566e94efd26e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954569
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954569
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b35d08f8-c0ef-45a8-ade2-beaa3c369bf9.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b35d08f8-c0ef-45a8-ade2-beaa3c369bf9.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/b35d08f8-c0ef-45a8-ade2-beaa3c369bf9
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T14:36:29Z
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 0x846aeb70cae1fae12815333cd0acd055f2fd841e00b762bd8148566e94efd26e. Chain 2 (Bitcoin): anchored in block 954569 (2026-06-20T14:36:29Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b35d08f8-c0ef-45a8-ade2-beaa3c369bf9.json and https://artists.proofprofile.net/proofs/artist/b35d08f8-c0ef-45a8-ade2-beaa3c369bf9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T14:36:29Z
album: If
  type: MusicAlbum
  date published: 1970
album: If 2 (Remastered)
  type: MusicAlbum
  date published: 1970
album: If 3 (Remastered)
  type: MusicAlbum
  date published: 1971
album: If 4 (Remastered)
  type: MusicAlbum
  date published: 1972
album: Double Diamond (Remastered)
  type: MusicAlbum
  date published: 1973
album: Live in Europe - 1972
  type: MusicAlbum
  date published: 1997-12-01
album: If
  type: MusicAlbum
  date published: 2007
album: 2
  type: MusicAlbum
  date published: 2011-03-17
album: 4
  type: MusicAlbum
  date published: 2011-03-17
album: Anthology - What Did I Say About The Box Jack? (2011 Remastered)
  type: MusicAlbum
  date published: 2011-10-17
album: If (Remastered)
  type: MusicAlbum
  date published: 2012-05-07
album: Double Diamond
  type: MusicAlbum
  date published: 2012-09-01
album: If 3
  type: MusicAlbum
  date published: 2014-03-18
album: If 2 (2014 Remaster)
  type: MusicAlbum
  date published: 2014-10-17
album: If (2014 Remaster)
  type: MusicAlbum
  date published: 2014-10-17
album: If 3 (2014 Remaster)
  type: MusicAlbum
  date published: 2014-10-17
album: If 4 (2014 Remaster)
  type: MusicAlbum
  date published: 2014-10-17
album: If 5
  type: MusicAlbum
  date published: 2016-09-02