Relaxing Background Jazz Café
type: MusicGroup
genre: cool jazz
popularity: 4
followers: 93
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0dab6831e370d7bdcf73895417c1bf1229a66681e7a12226837a482f332d3ffe
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953933
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953933
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/1fcd330c-e97e-41f2-b549-1ae665189cd1.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/1fcd330c-e97e-41f2-b549-1ae665189cd1.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/1fcd330c-e97e-41f2-b549-1ae665189cd1
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T11:13:24Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x0dab6831e370d7bdcf73895417c1bf1229a66681e7a12226837a482f332d3ffe","name":"Relaxing Background Jazz Café","registered_at":"2026-06-16T00:29:52Z","symbol":"NIM0880503","token_address":"0x88851dfd818cb36040ab47f61fea73c804bd78f8","type":"artist","uuid":"1fcd330c-e97e-41f2-b549-1ae665189cd1"}
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 0x0dab6831e370d7bdcf73895417c1bf1229a66681e7a12226837a482f332d3ffe. Chain 2 (Bitcoin): anchored in block 953997 (2026-06-16T20:07:57Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1fcd330c-e97e-41f2-b549-1ae665189cd1.json and https://artists.proofprofile.net/proofs/artist/1fcd330c-e97e-41f2-b549-1ae665189cd1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T20:07:57Z
  text: {"copyright_id":"0x0dab6831e370d7bdcf73895417c1bf1229a66681e7a12226837a482f332d3ffe","name":"Relaxing Background Jazz Café","registered_at":"2026-06-16T00:29:52Z","symbol":"NIM0880503","token_address":"0x88851dfd818cb36040ab47f61fea73c804bd78f8","type":"artist","uuid":"1fcd330c-e97e-41f2-b549-1ae665189cd1"}
album: Chilled out Coffeehouse BGM
  type: MusicAlbum
  date published: 2019-12-07
album: Instrumental Jazz Classics
  type: MusicAlbum
  date published: 2020-11-13
album: Café Jazz Ambience
  type: MusicAlbum
  date published: 2021-04-29
album: Soothing Morning Coffee Jazz Playlist
  type: MusicAlbum
  date published: 2023-08-23