Classic Cafe Jazz
type: MusicGroup
popularity: 11
followers: 647
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x608848c27e62507a5a2ee04f0c8f14e211b9ac90840724e24cc78e77319d6ca2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953742
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953742
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7ce69ac1-57d6-4f00-af2b-5682d20038ba.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7ce69ac1-57d6-4f00-af2b-5682d20038ba.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/7ce69ac1-57d6-4f00-af2b-5682d20038ba
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T04:47:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x608848c27e62507a5a2ee04f0c8f14e211b9ac90840724e24cc78e77319d6ca2","name":"Classic Cafe Jazz","registered_at":"2026-06-14T17:39:04Z","symbol":"NIM0527145","token_address":"0x851e86a408f471bdda960acc283eb15295f7251c","type":"artist","uuid":"7ce69ac1-57d6-4f00-af2b-5682d20038ba"}
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 0x608848c27e62507a5a2ee04f0c8f14e211b9ac90840724e24cc78e77319d6ca2. 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/7ce69ac1-57d6-4f00-af2b-5682d20038ba.json and https://artists.proofprofile.net/proofs/artist/7ce69ac1-57d6-4f00-af2b-5682d20038ba.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T04:47:56Z
  text: {"copyright_id":"0x608848c27e62507a5a2ee04f0c8f14e211b9ac90840724e24cc78e77319d6ca2","name":"Classic Cafe Jazz","registered_at":"2026-06-14T17:39:04Z","symbol":"NIM0527145","token_address":"0x851e86a408f471bdda960acc283eb15295f7251c","type":"artist","uuid":"7ce69ac1-57d6-4f00-af2b-5682d20038ba"}
album: Jazzy Cafe Music
  type: MusicAlbum
  date published: 2020-01-23
album: Jazzy Cafe Music, Vol. 3
  type: MusicAlbum
  date published: 2020-02-08
album: Jazzy Cafe Music, Vol. 4
  type: MusicAlbum
  date published: 2020-02-08
album: Jazzy Cafe Music, Vol. 6
  type: MusicAlbum
  date published: 2020-02-08
album: Jazzy Cafe Music, Vol. 5
  type: MusicAlbum
  date published: 2020-02-08
album: Jazzy Cafe Music, Vol. 8
  type: MusicAlbum
  date published: 2020-02-08
album: Jazzy Cafe Music, Vol. 7
  type: MusicAlbum
  date published: 2020-02-08
album: Jazzy Cafe Music, Vol. 2
  type: MusicAlbum
  date published: 2020-02-08
album: Jazzy Cafe Music, Vol 10
  type: MusicAlbum
  date published: 2020-02-29
album: Jazzy Cafe Music, Vol 9
  type: MusicAlbum
  date published: 2020-02-29
album: The Jazz Club
  type: MusicAlbum
  date published: 2021-03-21
album: Smooth Jazz Nights
  type: MusicAlbum
  date published: 2021-03-21