Jazz Instrumental Songs Cafe
type: MusicGroup
genre: brazilian jazz
genre: cool jazz
popularity: 17
followers: 982
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xea3c7f7ea234adf0497d52d160990f1f0cd13df6fe9b754a02b39e12fa9e1080
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953713
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953713
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/81ab1f93-975f-4e6c-ba34-ccd833a4635f.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/81ab1f93-975f-4e6c-ba34-ccd833a4635f.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/81ab1f93-975f-4e6c-ba34-ccd833a4635f
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T00:33:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xea3c7f7ea234adf0497d52d160990f1f0cd13df6fe9b754a02b39e12fa9e1080","name":"Jazz Instrumental Songs Cafe","registered_at":"2026-06-14T18:05:58Z","symbol":"NIM0533524","token_address":"0x8d0f5dae940a8878e6785f13f7f612198b4696ac","type":"artist","uuid":"81ab1f93-975f-4e6c-ba34-ccd833a4635f"}
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 0xea3c7f7ea234adf0497d52d160990f1f0cd13df6fe9b754a02b39e12fa9e1080. Chain 2 (Bitcoin): anchored in block 953742 (2026-06-15T04:47:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/81ab1f93-975f-4e6c-ba34-ccd833a4635f.json and https://artists.proofprofile.net/proofs/artist/81ab1f93-975f-4e6c-ba34-ccd833a4635f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T04:47:56Z
  text: {"copyright_id":"0xea3c7f7ea234adf0497d52d160990f1f0cd13df6fe9b754a02b39e12fa9e1080","name":"Jazz Instrumental Songs Cafe","registered_at":"2026-06-14T18:05:58Z","symbol":"NIM0533524","token_address":"0x8d0f5dae940a8878e6785f13f7f612198b4696ac","type":"artist","uuid":"81ab1f93-975f-4e6c-ba34-ccd833a4635f"}
album: Jazz Instrumental Cafe
  type: MusicAlbum
  date published: 2015-08-05