Cafe Bossa Nova Playlist
type: MusicGroup
popularity: 3
followers: 226
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd436fe0a6670f904aafafe8b3b46cc50ee8b3831c269e92dc907e8c1e660e15d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954050
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954050
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/432e23d1-0822-459f-9a5c-1b93f94c3c86.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/432e23d1-0822-459f-9a5c-1b93f94c3c86.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/432e23d1-0822-459f-9a5c-1b93f94c3c86
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T05:14:33Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd436fe0a6670f904aafafe8b3b46cc50ee8b3831c269e92dc907e8c1e660e15d","name":"Cafe Bossa Nova Playlist","registered_at":"2026-06-16T12:56:57Z","symbol":"NIM1058867","token_address":"0x2e8ccd51a3f9aecc1b8783b67b76bf983cf9f1d9","type":"artist","uuid":"432e23d1-0822-459f-9a5c-1b93f94c3c86"}
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 0xd436fe0a6670f904aafafe8b3b46cc50ee8b3831c269e92dc907e8c1e660e15d. Chain 2 (Bitcoin): anchored in block 954050 (2026-06-17T05:14:33Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/432e23d1-0822-459f-9a5c-1b93f94c3c86.json and https://artists.proofprofile.net/proofs/artist/432e23d1-0822-459f-9a5c-1b93f94c3c86.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T05:14:33Z
  text: {"copyright_id":"0xd436fe0a6670f904aafafe8b3b46cc50ee8b3831c269e92dc907e8c1e660e15d","name":"Cafe Bossa Nova Playlist","registered_at":"2026-06-16T12:56:57Z","symbol":"NIM1058867","token_address":"0x2e8ccd51a3f9aecc1b8783b67b76bf983cf9f1d9","type":"artist","uuid":"432e23d1-0822-459f-9a5c-1b93f94c3c86"}
album: Mellow Bossa Moment for Bistros
  type: MusicAlbum
  date published: 2019-09-05
album: Feelings for Cooking
  type: MusicAlbum
  date published: 2020-11-08
album: Ambiance for Chill Tuesday
  type: MusicAlbum
  date published: 2022-04-05
album: Deluxe Bgm for Cozy Wednesday
  type: MusicAlbum
  date published: 2022-04-06
album: Echoes of Everyday Rewind
  type: MusicAlbum
  date published: 2022-05-10
album: Quartet Jazz - Bgm for May Thinking
  type: MusicAlbum
  date published: 2022-05-15
album: Echoes of Invisible Work
  type: MusicAlbum
  date published: 2022-05-16
album: Stand by the Water Spot Vol. 2
  type: MusicAlbum
  date published: 2022-07-12
album: Beats for Cat Grooming
  type: MusicAlbum
  date published: 2023-06-15
album: Morning Bites and Summer Beats
  type: MusicAlbum
  date published: 2023-07-18
album: 仕事ジャズの曲
  type: MusicAlbum
  date published: 2023-09-25